Lines Matching full:sb
70 static void ext4_update_super(struct super_block *sb);
71 static int ext4_commit_super(struct super_block *sb);
72 static int ext4_mark_recovery_complete(struct super_block *sb,
74 static int ext4_clear_journal_err(struct super_block *sb,
76 static int ext4_sync_fs(struct super_block *sb, int wait);
78 static int ext4_unfreeze(struct super_block *sb);
79 static int ext4_freeze(struct super_block *sb);
80 static inline int ext2_feature_set_ok(struct super_block *sb);
81 static inline int ext3_feature_set_ok(struct super_block *sb);
83 static void ext4_unregister_li_request(struct super_block *sb);
85 static struct inode *ext4_get_journal_inode(struct super_block *sb,
89 struct super_block *sb);
90 static void ext4_apply_options(struct fs_context *fc, struct super_block *sb);
96 static void ext4_kill_sb(struct super_block *sb);
144 #define IS_EXT2_SB(sb) ((sb)->s_type == &ext2_fs_type) argument
146 #define IS_EXT2_SB(sb) (0) argument
160 #define IS_EXT3_SB(sb) ((sb)->s_type == &ext3_fs_type) argument
230 static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb, in __ext4_sb_bread_gfp() argument
237 bh = sb_getblk_gfp(sb, block, gfp); in __ext4_sb_bread_gfp()
251 struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block, in ext4_sb_bread() argument
254 return __ext4_sb_bread_gfp(sb, block, op_flags, __GFP_MOVABLE); in ext4_sb_bread()
257 struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb, in ext4_sb_bread_unmovable() argument
260 return __ext4_sb_bread_gfp(sb, block, 0, 0); in ext4_sb_bread_unmovable()
263 void ext4_sb_breadahead_unmovable(struct super_block *sb, sector_t block) in ext4_sb_breadahead_unmovable() argument
265 struct buffer_head *bh = sb_getblk_gfp(sb, block, 0); in ext4_sb_breadahead_unmovable()
274 static int ext4_verify_csum_type(struct super_block *sb, in ext4_verify_csum_type() argument
277 if (!ext4_has_feature_metadata_csum(sb)) in ext4_verify_csum_type()
283 __le32 ext4_superblock_csum(struct super_block *sb, in ext4_superblock_csum() argument
286 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_superblock_csum()
295 static int ext4_superblock_csum_verify(struct super_block *sb, in ext4_superblock_csum_verify() argument
298 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_verify()
301 return es->s_checksum == ext4_superblock_csum(sb, es); in ext4_superblock_csum_verify()
304 void ext4_superblock_csum_set(struct super_block *sb) in ext4_superblock_csum_set() argument
306 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_superblock_csum_set()
308 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_set()
311 es->s_checksum = ext4_superblock_csum(sb, es); in ext4_superblock_csum_set()
314 ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, in ext4_block_bitmap() argument
318 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_block_bitmap()
322 ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb, in ext4_inode_bitmap() argument
326 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_bitmap()
330 ext4_fsblk_t ext4_inode_table(struct super_block *sb, in ext4_inode_table() argument
334 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_table()
338 __u32 ext4_free_group_clusters(struct super_block *sb, in ext4_free_group_clusters() argument
342 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_group_clusters()
346 __u32 ext4_free_inodes_count(struct super_block *sb, in ext4_free_inodes_count() argument
350 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_inodes_count()
354 __u32 ext4_used_dirs_count(struct super_block *sb, in ext4_used_dirs_count() argument
358 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_used_dirs_count()
362 __u32 ext4_itable_unused_count(struct super_block *sb, in ext4_itable_unused_count() argument
366 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_itable_unused_count()
370 void ext4_block_bitmap_set(struct super_block *sb, in ext4_block_bitmap_set() argument
374 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_block_bitmap_set()
378 void ext4_inode_bitmap_set(struct super_block *sb, in ext4_inode_bitmap_set() argument
382 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_bitmap_set()
386 void ext4_inode_table_set(struct super_block *sb, in ext4_inode_table_set() argument
390 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_table_set()
394 void ext4_free_group_clusters_set(struct super_block *sb, in ext4_free_group_clusters_set() argument
398 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_group_clusters_set()
402 void ext4_free_inodes_set(struct super_block *sb, in ext4_free_inodes_set() argument
406 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_inodes_set()
410 void ext4_used_dirs_set(struct super_block *sb, in ext4_used_dirs_set() argument
414 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_used_dirs_set()
418 void ext4_itable_unused_set(struct super_block *sb, in ext4_itable_unused_set() argument
422 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_itable_unused_set()
457 * @sb: The superblock
459 static void ext4_maybe_update_superblock(struct super_block *sb) in ext4_maybe_update_superblock() argument
461 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_maybe_update_superblock()
469 if (sb_rdonly(sb) || !(sb->s_flags & SB_ACTIVE) || in ext4_maybe_update_superblock()
480 ((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) - in ext4_maybe_update_superblock()
492 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in ext4_maybe_update_superblock()
503 static int block_device_ejected(struct super_block *sb) in block_device_ejected() argument
505 struct inode *bd_inode = sb->s_bdev->bd_inode; in block_device_ejected()
513 struct super_block *sb = journal->j_private; in ext4_journal_commit_callback() local
514 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_journal_commit_callback()
520 ext4_process_freed_data(sb, txn->t_tid); in ext4_journal_commit_callback()
521 ext4_maybe_update_superblock(sb); in ext4_journal_commit_callback()
529 jce->jce_func(sb, jce, error); in ext4_journal_commit_callback()
659 static void save_error_info(struct super_block *sb, int error, in save_error_info() argument
663 struct ext4_sb_info *sbi = EXT4_SB(sb); in save_error_info()
708 static void ext4_handle_error(struct super_block *sb, bool force_ro, int error, in ext4_handle_error() argument
712 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_handle_error()
713 bool continue_fs = !force_ro && test_opt(sb, ERRORS_CONT); in ext4_handle_error()
715 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in ext4_handle_error()
716 if (test_opt(sb, WARN_ON_ERROR)) in ext4_handle_error()
719 if (!continue_fs && !sb_rdonly(sb)) { in ext4_handle_error()
720 set_bit(EXT4_FLAGS_SHUTDOWN, &EXT4_SB(sb)->s_ext4_flags); in ext4_handle_error()
725 if (!bdev_read_only(sb->s_bdev)) { in ext4_handle_error()
726 save_error_info(sb, error, ino, block, func, line); in ext4_handle_error()
733 * here in that case, just update the sb directly as the last in ext4_handle_error()
737 !ext4_test_mount_flag(sb, EXT4_MF_JOURNAL_DESTROY)) in ext4_handle_error()
738 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in ext4_handle_error()
740 ext4_commit_super(sb); in ext4_handle_error()
748 if (test_opt(sb, ERRORS_PANIC) && !system_going_down()) { in ext4_handle_error()
750 sb->s_id); in ext4_handle_error()
753 if (sb_rdonly(sb) || continue_fs) in ext4_handle_error()
756 ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); in ext4_handle_error()
760 * sb->s_umount semaphore and setting it without proper remount in ext4_handle_error()
775 * through the journal to avoid collisions of other journalled sb in update_super_work()
817 * Write through journal failed. Write sb directly to get error info in update_super_work()
824 #define ext4_error_ratelimit(sb) \ argument
825 ___ratelimit(&(EXT4_SB(sb)->s_err_ratelimit_state), \
828 void __ext4_error(struct super_block *sb, const char *function, in __ext4_error() argument
835 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_error()
838 trace_ext4_error(sb, function, line); in __ext4_error()
839 if (ext4_error_ratelimit(sb)) { in __ext4_error()
845 sb->s_id, function, line, current->comm, &vaf); in __ext4_error()
848 fsnotify_sb_error(sb, NULL, error ? error : EFSCORRUPTED); in __ext4_error()
850 ext4_handle_error(sb, force_ro, error, 0, block, function, line); in __ext4_error()
926 const char *ext4_decode_error(struct super_block *sb, int errno, in ext4_decode_error() argument
945 if (!sb || (EXT4_SB(sb)->s_journal && in ext4_decode_error()
946 EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT)) in ext4_decode_error()
969 void __ext4_std_error(struct super_block *sb, const char *function, in __ext4_std_error() argument
975 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_std_error()
981 if (errno == -EROFS && journal_current_handle() == NULL && sb_rdonly(sb)) in __ext4_std_error()
984 if (ext4_error_ratelimit(sb)) { in __ext4_std_error()
985 errstr = ext4_decode_error(sb, errno, nbuf); in __ext4_std_error()
987 sb->s_id, function, line, errstr); in __ext4_std_error()
989 fsnotify_sb_error(sb, NULL, errno ? errno : EFSCORRUPTED); in __ext4_std_error()
991 ext4_handle_error(sb, false, -errno, 0, 0, function, line); in __ext4_std_error()
994 void __ext4_msg(struct super_block *sb, in __ext4_msg() argument
1000 if (sb) { in __ext4_msg()
1001 atomic_inc(&EXT4_SB(sb)->s_msg_count); in __ext4_msg()
1002 if (!___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state), in __ext4_msg()
1010 if (sb) in __ext4_msg()
1011 printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in __ext4_msg()
1017 static int ext4_warning_ratelimit(struct super_block *sb) in ext4_warning_ratelimit() argument
1019 atomic_inc(&EXT4_SB(sb)->s_warning_count); in ext4_warning_ratelimit()
1020 return ___ratelimit(&(EXT4_SB(sb)->s_warning_ratelimit_state), in ext4_warning_ratelimit()
1024 void __ext4_warning(struct super_block *sb, const char *function, in __ext4_warning() argument
1030 if (!ext4_warning_ratelimit(sb)) in __ext4_warning()
1037 sb->s_id, function, line, &vaf); in __ext4_warning()
1060 struct super_block *sb, ext4_group_t grp, in __ext4_grp_locked_error() argument
1069 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_grp_locked_error()
1072 trace_ext4_error(sb, function, line); in __ext4_grp_locked_error()
1073 if (ext4_error_ratelimit(sb)) { in __ext4_grp_locked_error()
1078 sb->s_id, function, line, grp); in __ext4_grp_locked_error()
1088 if (test_opt(sb, ERRORS_CONT)) { in __ext4_grp_locked_error()
1089 if (test_opt(sb, WARN_ON_ERROR)) in __ext4_grp_locked_error()
1091 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in __ext4_grp_locked_error()
1092 if (!bdev_read_only(sb->s_bdev)) { in __ext4_grp_locked_error()
1093 save_error_info(sb, EFSCORRUPTED, ino, block, function, in __ext4_grp_locked_error()
1095 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in __ext4_grp_locked_error()
1099 ext4_unlock_group(sb, grp); in __ext4_grp_locked_error()
1100 ext4_handle_error(sb, false, EFSCORRUPTED, ino, block, function, line); in __ext4_grp_locked_error()
1112 ext4_lock_group(sb, grp); in __ext4_grp_locked_error()
1116 void ext4_mark_group_bitmap_corrupted(struct super_block *sb, in ext4_mark_group_bitmap_corrupted() argument
1120 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_mark_group_bitmap_corrupted()
1121 struct ext4_group_info *grp = ext4_get_group_info(sb, group); in ext4_mark_group_bitmap_corrupted()
1122 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL); in ext4_mark_group_bitmap_corrupted()
1141 count = ext4_free_inodes_count(sb, gdp); in ext4_mark_group_bitmap_corrupted()
1148 void ext4_update_dynamic_rev(struct super_block *sb) in ext4_update_dynamic_rev() argument
1150 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_update_dynamic_rev()
1155 ext4_warning(sb, in ext4_update_dynamic_rev()
1178 static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi) in dump_orphan_list() argument
1182 ext4_msg(sb, KERN_ERR, "sb orphan head is %d", in dump_orphan_list()
1197 static int ext4_quota_off(struct super_block *sb, int type);
1199 static inline void ext4_quotas_off(struct super_block *sb, int type) in ext4_quotas_off() argument
1205 ext4_quota_off(sb, type); in ext4_quotas_off()
1212 static inline char *get_qf_name(struct super_block *sb, in get_qf_name() argument
1217 lockdep_is_held(&sb->s_umount)); in get_qf_name()
1220 static inline void ext4_quotas_off(struct super_block *sb, int type) in ext4_quotas_off() argument
1296 static void ext4_put_super(struct super_block *sb) in ext4_put_super() argument
1298 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_put_super()
1313 ext4_unregister_sysfs(sb); in ext4_put_super()
1316 ext4_msg(sb, KERN_INFO, "unmounting filesystem %pU.", in ext4_put_super()
1317 &sb->s_uuid); in ext4_put_super()
1319 ext4_unregister_li_request(sb); in ext4_put_super()
1320 ext4_quotas_off(sb, EXT4_MAXQUOTAS); in ext4_put_super()
1323 ext4_release_orphan_info(sb); in ext4_put_super()
1329 ext4_abort(sb, -err, "Couldn't clean up the journal"); in ext4_put_super()
1336 ext4_release_system_zone(sb); in ext4_put_super()
1337 ext4_mb_release(sb); in ext4_put_super()
1338 ext4_ext_release(sb); in ext4_put_super()
1340 if (!sb_rdonly(sb) && !aborted) { in ext4_put_super()
1341 ext4_clear_feature_journal_needs_recovery(sb); in ext4_put_super()
1342 ext4_clear_feature_orphan_present(sb); in ext4_put_super()
1345 if (!sb_rdonly(sb)) in ext4_put_super()
1346 ext4_commit_super(sb); in ext4_put_super()
1353 kfree(get_qf_name(sb, sbi, i)); in ext4_put_super()
1361 dump_orphan_list(sb, sbi); in ext4_put_super()
1364 sync_blockdev(sb->s_bdev); in ext4_put_super()
1365 invalidate_bdev(sb->s_bdev); in ext4_put_super()
1385 sb->s_fs_info = NULL; in ext4_put_super()
1398 utf8_unload(sb->s_encoding); in ext4_put_super()
1408 static struct inode *ext4_alloc_inode(struct super_block *sb) in ext4_alloc_inode() argument
1412 ei = alloc_inode_sb(sb, ext4_inode_cachep, GFP_NOFS); in ext4_alloc_inode()
1487 static void ext4_shutdown(struct super_block *sb) in ext4_shutdown() argument
1489 ext4_force_shutdown(sb, EXT4_GOING_FLAGS_NOLOGFLUSH); in ext4_shutdown()
1545 static struct inode *ext4_nfs_get_inode(struct super_block *sb, in ext4_nfs_get_inode() argument
1554 inode = ext4_iget(sb, ino, EXT4_IGET_HANDLE); in ext4_nfs_get_inode()
1565 static struct dentry *ext4_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext4_fh_to_dentry() argument
1568 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext4_fh_to_dentry()
1572 static struct dentry *ext4_fh_to_parent(struct super_block *sb, struct fid *fid, in ext4_fh_to_parent() argument
1575 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext4_fh_to_parent()
1597 static int ext4_write_info(struct super_block *sb, int type);
1598 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
1600 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
1602 static ssize_t ext4_quota_write(struct super_block *sb, int type,
1604 static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
1750 fsparam_u32 ("sb", Opt_sb),
2505 static int parse_apply_sb_mount_options(struct super_block *sb, in parse_apply_sb_mount_options() argument
2508 struct ext4_sb_info *sbi = EXT4_SB(sb); in parse_apply_sb_mount_options()
2538 ret = ext4_check_opt_consistency(fc, sb); in parse_apply_sb_mount_options()
2541 ext4_msg(sb, KERN_WARNING, in parse_apply_sb_mount_options()
2553 ext4_apply_options(fc, sb); in parse_apply_sb_mount_options()
2566 struct super_block *sb) in ext4_apply_quota_options() argument
2569 bool quota_feature = ext4_has_feature_quota(sb); in ext4_apply_quota_options()
2571 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_apply_quota_options()
2585 set_opt(sb, QUOTA); in ext4_apply_quota_options()
2588 lockdep_is_held(&sb->s_umount)); in ext4_apply_quota_options()
2603 struct super_block *sb) in ext4_check_quota_consistency() argument
2607 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_quota_consistency()
2608 bool quota_feature = ext4_has_feature_quota(sb); in ext4_check_quota_consistency()
2609 bool quota_loaded = sb_any_quota_loaded(sb); in ext4_check_quota_consistency()
2619 !ext4_has_feature_project(sb)) { in ext4_check_quota_consistency()
2643 strcmp(get_qf_name(sb, sbi, i), in ext4_check_quota_consistency()
2667 usr_qf_name = (get_qf_name(sb, sbi, USRQUOTA) || in ext4_check_quota_consistency()
2669 grp_qf_name = (get_qf_name(sb, sbi, GRPQUOTA) || in ext4_check_quota_consistency()
2673 test_opt(sb, USRQUOTA)); in ext4_check_quota_consistency()
2676 test_opt(sb, GRPQUOTA)); in ext4_check_quota_consistency()
2721 struct super_block *sb) in ext4_check_test_dummy_encryption() argument
2724 const struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_test_dummy_encryption()
2729 if (!ext4_has_feature_encrypt(sb)) { in ext4_check_test_dummy_encryption()
2761 struct super_block *sb) in ext4_apply_test_dummy_encryption() argument
2765 fscrypt_is_dummy_policy_set(&EXT4_SB(sb)->s_dummy_enc_policy)) in ext4_apply_test_dummy_encryption()
2767 EXT4_SB(sb)->s_dummy_enc_policy = ctx->dummy_enc_policy; in ext4_apply_test_dummy_encryption()
2769 ext4_msg(sb, KERN_WARNING, "Test dummy encryption mode enabled"); in ext4_apply_test_dummy_encryption()
2773 struct super_block *sb) in ext4_check_opt_consistency() argument
2780 if ((ctx->opt_flags & MOPT_NO_EXT2) && IS_EXT2_SB(sb)) { in ext4_check_opt_consistency()
2785 if ((ctx->opt_flags & MOPT_NO_EXT3) && IS_EXT3_SB(sb)) { in ext4_check_opt_consistency()
2808 err = ext4_check_test_dummy_encryption(fc, sb); in ext4_check_opt_consistency()
2819 test_opt(sb, DATA_FLAGS)) { in ext4_check_opt_consistency()
2835 (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)) { in ext4_check_opt_consistency()
2860 return ext4_check_quota_consistency(fc, sb); in ext4_check_opt_consistency()
2863 static void ext4_apply_options(struct fs_context *fc, struct super_block *sb) in ext4_apply_options() argument
2872 sb->s_flags &= ~ctx->mask_s_flags; in ext4_apply_options()
2873 sb->s_flags |= ctx->vals_s_flags; in ext4_apply_options()
2891 ext4_apply_quota_options(fc, sb); in ext4_apply_options()
2892 ext4_apply_test_dummy_encryption(ctx, sb); in ext4_apply_options()
2924 struct super_block *sb) in ext4_show_quota_options() argument
2927 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_show_quota_options()
2971 * - if the per-sb default is different from the global default
2973 static int _ext4_show_options(struct seq_file *seq, struct super_block *sb, in _ext4_show_options() argument
2976 struct ext4_sb_info *sbi = EXT4_SB(sb); in _ext4_show_options()
2986 SEQ_OPTS_PRINT("sb=%llu", sbi->s_sb_block); in _ext4_show_options()
3024 if (test_opt(sb, ERRORS_RO) && def_errors != EXT4_ERRORS_RO) in _ext4_show_options()
3026 if (test_opt(sb, ERRORS_CONT) && def_errors != EXT4_ERRORS_CONTINUE) in _ext4_show_options()
3028 if (test_opt(sb, ERRORS_PANIC) && def_errors != EXT4_ERRORS_PANIC) in _ext4_show_options()
3040 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in _ext4_show_options()
3042 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in _ext4_show_options()
3044 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA) in _ext4_show_options()
3052 if (test_opt(sb, INIT_INODE_TABLE) && (nodefs || in _ext4_show_options()
3057 if (test_opt(sb, DATA_ERR_ABORT)) in _ext4_show_options()
3060 fscrypt_show_test_dummy_encryption(seq, sep, sb); in _ext4_show_options()
3062 if (sb->s_flags & SB_INLINECRYPT) in _ext4_show_options()
3065 if (test_opt(sb, DAX_ALWAYS)) { in _ext4_show_options()
3066 if (IS_EXT2_SB(sb)) in _ext4_show_options()
3070 } else if (test_opt2(sb, DAX_NEVER)) { in _ext4_show_options()
3072 } else if (test_opt2(sb, DAX_INODE)) { in _ext4_show_options()
3077 !test_opt2(sb, MB_OPTIMIZE_SCAN)) { in _ext4_show_options()
3080 test_opt2(sb, MB_OPTIMIZE_SCAN)) { in _ext4_show_options()
3084 ext4_show_quota_options(seq, sb); in _ext4_show_options()
3095 struct super_block *sb = seq->private; in ext4_seq_options_show() local
3098 seq_puts(seq, sb_rdonly(sb) ? "ro" : "rw"); in ext4_seq_options_show()
3099 rc = _ext4_show_options(seq, sb, 1); in ext4_seq_options_show()
3104 static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es, in ext4_setup_super() argument
3107 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_setup_super()
3111 ext4_msg(sb, KERN_ERR, "revision level too high, " in ext4_setup_super()
3119 ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, " in ext4_setup_super()
3122 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3128 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3134 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3144 ext4_set_feature_journal_needs_recovery(sb); in ext4_setup_super()
3145 if (ext4_has_feature_orphan_file(sb)) in ext4_setup_super()
3146 ext4_set_feature_orphan_present(sb); in ext4_setup_super()
3149 err = ext4_commit_super(sb); in ext4_setup_super()
3151 if (test_opt(sb, DEBUG)) in ext4_setup_super()
3154 sb->s_blocksize, in ext4_setup_super()
3156 EXT4_BLOCKS_PER_GROUP(sb), in ext4_setup_super()
3157 EXT4_INODES_PER_GROUP(sb), in ext4_setup_super()
3162 int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup) in ext4_alloc_flex_bg_array() argument
3164 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_alloc_flex_bg_array()
3178 ext4_msg(sb, KERN_ERR, in ext4_alloc_flex_bg_array()
3190 ext4_msg(sb, KERN_ERR, in ext4_alloc_flex_bg_array()
3209 static int ext4_fill_flex_info(struct super_block *sb) in ext4_fill_flex_info() argument
3211 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_fill_flex_info()
3223 err = ext4_alloc_flex_bg_array(sb, sbi->s_groups_count); in ext4_fill_flex_info()
3228 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_fill_flex_info()
3232 atomic_add(ext4_free_inodes_count(sb, gdp), &fg->free_inodes); in ext4_fill_flex_info()
3233 atomic64_add(ext4_free_group_clusters(sb, gdp), in ext4_fill_flex_info()
3235 atomic_add(ext4_used_dirs_count(sb, gdp), &fg->used_dirs); in ext4_fill_flex_info()
3243 static __le16 ext4_group_desc_csum(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum() argument
3249 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_group_desc_csum()
3271 if (!ext4_has_feature_gdt_csum(sb)) in ext4_group_desc_csum()
3279 if (ext4_has_feature_64bit(sb) && offset < sbi->s_desc_size) in ext4_group_desc_csum()
3287 int ext4_group_desc_csum_verify(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_verify() argument
3290 if (ext4_has_group_desc_csum(sb) && in ext4_group_desc_csum_verify()
3291 (gdp->bg_checksum != ext4_group_desc_csum(sb, block_group, gdp))) in ext4_group_desc_csum_verify()
3297 void ext4_group_desc_csum_set(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_set() argument
3300 if (!ext4_has_group_desc_csum(sb)) in ext4_group_desc_csum_set()
3302 gdp->bg_checksum = ext4_group_desc_csum(sb, block_group, gdp); in ext4_group_desc_csum_set()
3306 static int ext4_check_descriptors(struct super_block *sb, in ext4_check_descriptors() argument
3310 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_descriptors()
3313 ext4_fsblk_t last_bg_block = sb_block + ext4_bg_num_gdb(sb, 0); in ext4_check_descriptors()
3320 if (ext4_has_feature_flex_bg(sb)) in ext4_check_descriptors()
3326 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL); in ext4_check_descriptors()
3332 (EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_check_descriptors()
3338 block_bitmap = ext4_block_bitmap(sb, gdp); in ext4_check_descriptors()
3340 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3343 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3348 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3351 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3355 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3360 inode_bitmap = ext4_inode_bitmap(sb, gdp); in ext4_check_descriptors()
3362 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3365 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3370 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3373 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3377 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3382 inode_table = ext4_inode_table(sb, gdp); in ext4_check_descriptors()
3384 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3387 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3392 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3395 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3400 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3405 ext4_lock_group(sb, i); in ext4_check_descriptors()
3406 if (!ext4_group_desc_csum_verify(sb, i, gdp)) { in ext4_check_descriptors()
3407 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3409 i, le16_to_cpu(ext4_group_desc_csum(sb, i, in ext4_check_descriptors()
3411 if (!sb_rdonly(sb)) { in ext4_check_descriptors()
3412 ext4_unlock_group(sb, i); in ext4_check_descriptors()
3416 ext4_unlock_group(sb, i); in ext4_check_descriptors()
3418 first_block += EXT4_BLOCKS_PER_GROUP(sb); in ext4_check_descriptors()
3549 static ext4_fsblk_t descriptor_loc(struct super_block *sb, in descriptor_loc() argument
3552 struct ext4_sb_info *sbi = EXT4_SB(sb); in descriptor_loc()
3558 if (!ext4_has_feature_meta_bg(sb) || nr < first_meta_bg) in descriptor_loc()
3561 if (ext4_bg_has_super(sb, bg)) in descriptor_loc()
3570 if (sb->s_blocksize == 1024 && nr == 0 && in descriptor_loc()
3574 return (has_super + ext4_group_first_block_no(sb, bg)); in descriptor_loc()
3620 int ext4_feature_set_ok(struct super_block *sb, int readonly) in ext4_feature_set_ok() argument
3622 if (ext4_has_unknown_ext4_incompat_features(sb)) { in ext4_feature_set_ok()
3623 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3626 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) & in ext4_feature_set_ok()
3632 if (ext4_has_feature_casefold(sb)) { in ext4_feature_set_ok()
3633 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3639 if (EXT4_SB(sb)->s_es->s_def_hash_version == DX_HASH_SIPHASH && in ext4_feature_set_ok()
3640 !ext4_has_feature_casefold(sb)) { in ext4_feature_set_ok()
3641 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3650 if (ext4_has_feature_readonly(sb)) { in ext4_feature_set_ok()
3651 ext4_msg(sb, KERN_INFO, "filesystem is read-only"); in ext4_feature_set_ok()
3652 sb->s_flags |= SB_RDONLY; in ext4_feature_set_ok()
3657 if (ext4_has_unknown_ext4_ro_compat_features(sb)) { in ext4_feature_set_ok()
3658 ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of " in ext4_feature_set_ok()
3660 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) & in ext4_feature_set_ok()
3664 if (ext4_has_feature_bigalloc(sb) && !ext4_has_feature_extents(sb)) { in ext4_feature_set_ok()
3665 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3672 if (!readonly && (ext4_has_feature_quota(sb) || in ext4_feature_set_ok()
3673 ext4_has_feature_project(sb))) { in ext4_feature_set_ok()
3674 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3689 struct super_block *sb = sbi->s_sb; in print_daily_error_info() local
3694 ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u", in print_daily_error_info()
3698 sb->s_id, in print_daily_error_info()
3713 sb->s_id, in print_daily_error_info()
3733 struct super_block *sb = elr->lr_super; in ext4_run_li_request() local
3734 ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count; in ext4_run_li_request()
3738 int nr = EXT4_SB(sb)->s_mb_prefetch; in ext4_run_li_request()
3742 elr->lr_next_group = ext4_mb_prefetch(sb, group, nr, &prefetch_ios); in ext4_run_li_request()
3743 ext4_mb_prefetch_fini(sb, elr->lr_next_group, nr); in ext4_run_li_request()
3744 trace_ext4_prefetch_bitmaps(sb, group, elr->lr_next_group, nr); in ext4_run_li_request()
3748 !sb_rdonly(sb) && test_opt(sb, INIT_INODE_TABLE)) { in ext4_run_li_request()
3758 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_run_li_request()
3773 ret = ext4_init_inode_table(sb, group, in ext4_run_li_request()
3775 trace_ext4_lazy_itable_init(sb, group); in ext4_run_li_request()
3800 static void ext4_unregister_li_request(struct super_block *sb) in ext4_unregister_li_request() argument
3809 ext4_remove_li_request(EXT4_SB(sb)->s_li_request); in ext4_unregister_li_request()
3859 * We hold sb->s_umount, sb can not in ext4_lazyinit_thread()
3964 static ext4_group_t ext4_has_uninit_itable(struct super_block *sb) in ext4_has_uninit_itable() argument
3966 ext4_group_t group, ngroups = EXT4_SB(sb)->s_groups_count; in ext4_has_uninit_itable()
3969 if (!ext4_has_group_desc_csum(sb)) in ext4_has_uninit_itable()
3973 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_has_uninit_itable()
4002 static struct ext4_li_request *ext4_li_request_new(struct super_block *sb, in ext4_li_request_new() argument
4011 elr->lr_super = sb; in ext4_li_request_new()
4013 if (test_opt(sb, NO_PREFETCH_BLOCK_BITMAPS)) { in ext4_li_request_new()
4029 int ext4_register_li_request(struct super_block *sb, in ext4_register_li_request() argument
4032 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_register_li_request()
4047 if (sb_rdonly(sb) || in ext4_register_li_request()
4048 (test_opt(sb, NO_PREFETCH_BLOCK_BITMAPS) && in ext4_register_li_request()
4049 (first_not_zeroed == ngroups || !test_opt(sb, INIT_INODE_TABLE)))) in ext4_register_li_request()
4052 elr = ext4_li_request_new(sb, first_not_zeroed); in ext4_register_li_request()
4104 static int set_journal_csum_feature_set(struct super_block *sb) in set_journal_csum_feature_set() argument
4108 struct ext4_sb_info *sbi = EXT4_SB(sb); in set_journal_csum_feature_set()
4110 if (ext4_has_metadata_csum(sb)) { in set_journal_csum_feature_set()
4124 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in set_journal_csum_feature_set()
4129 } else if (test_opt(sb, JOURNAL_CHECKSUM)) { in set_journal_csum_feature_set()
4158 static int count_overhead(struct super_block *sb, ext4_group_t grp, in count_overhead() argument
4161 struct ext4_sb_info *sbi = EXT4_SB(sb); in count_overhead()
4164 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in count_overhead()
4166 int has_super = ext4_bg_has_super(sb, grp); in count_overhead()
4168 if (!ext4_has_feature_bigalloc(sb)) in count_overhead()
4169 return (has_super + ext4_bg_num_gdb(sb, grp) + in count_overhead()
4174 (grp * EXT4_BLOCKS_PER_GROUP(sb)); in count_overhead()
4175 last_block = first_block + EXT4_BLOCKS_PER_GROUP(sb) - 1; in count_overhead()
4177 gdp = ext4_get_group_desc(sb, i, NULL); in count_overhead()
4178 b = ext4_block_bitmap(sb, gdp); in count_overhead()
4183 b = ext4_inode_bitmap(sb, gdp); in count_overhead()
4188 b = ext4_inode_table(sb, gdp); in count_overhead()
4198 if (ext4_bg_has_super(sb, grp)) { in count_overhead()
4202 j = ext4_bg_num_gdb(sb, grp); in count_overhead()
4203 if (s + j > EXT4_BLOCKS_PER_GROUP(sb)) { in count_overhead()
4204 ext4_error(sb, "Invalid number of block group " in count_overhead()
4206 j = EXT4_BLOCKS_PER_GROUP(sb) - s; in count_overhead()
4214 return EXT4_CLUSTERS_PER_GROUP(sb) - in count_overhead()
4215 ext4_count_free(buf, EXT4_CLUSTERS_PER_GROUP(sb) / 8); in count_overhead()
4221 int ext4_calculate_overhead(struct super_block *sb) in ext4_calculate_overhead() argument
4223 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_calculate_overhead()
4227 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_calculate_overhead()
4251 blks = count_overhead(sb, i, buf); in ext4_calculate_overhead()
4264 else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) { in ext4_calculate_overhead()
4266 j_inode = ext4_get_journal_inode(sb, j_inum); in ext4_calculate_overhead()
4268 j_blocks = j_inode->i_size >> sb->s_blocksize_bits; in ext4_calculate_overhead()
4272 ext4_msg(sb, KERN_ERR, "can't get journal size"); in ext4_calculate_overhead()
4281 static void ext4_set_resv_clusters(struct super_block *sb) in ext4_set_resv_clusters() argument
4284 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_set_resv_clusters()
4292 if (!ext4_has_feature_extents(sb)) in ext4_set_resv_clusters()
4311 static const char *ext4_quota_mode(struct super_block *sb) in ext4_quota_mode() argument
4314 if (!ext4_quota_capable(sb)) in ext4_quota_mode()
4317 if (EXT4_SB(sb)->s_journal && ext4_is_quota_journalled(sb)) in ext4_quota_mode()
4326 static void ext4_setup_csum_trigger(struct super_block *sb, in ext4_setup_csum_trigger() argument
4334 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_setup_csum_trigger()
4336 sbi->s_journal_triggers[type].sb = sb; in ext4_setup_csum_trigger()
4350 static struct ext4_sb_info *ext4_alloc_sbi(struct super_block *sb) in ext4_alloc_sbi() argument
4358 sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev, &sbi->s_dax_part_off, in ext4_alloc_sbi()
4367 sb->s_fs_info = sbi; in ext4_alloc_sbi()
4368 sbi->s_sb = sb; in ext4_alloc_sbi()
4376 static void ext4_set_def_opts(struct super_block *sb, in ext4_set_def_opts() argument
4383 set_opt(sb, INIT_INODE_TABLE); in ext4_set_def_opts()
4385 set_opt(sb, DEBUG); in ext4_set_def_opts()
4387 set_opt(sb, GRPID); in ext4_set_def_opts()
4389 set_opt(sb, NO_UID32); in ext4_set_def_opts()
4391 set_opt(sb, XATTR_USER); in ext4_set_def_opts()
4393 set_opt(sb, POSIX_ACL); in ext4_set_def_opts()
4395 if (ext4_has_feature_fast_commit(sb)) in ext4_set_def_opts()
4396 set_opt2(sb, JOURNAL_FAST_COMMIT); in ext4_set_def_opts()
4398 if (ext4_has_metadata_csum(sb)) in ext4_set_def_opts()
4399 set_opt(sb, JOURNAL_CHECKSUM); in ext4_set_def_opts()
4402 set_opt(sb, JOURNAL_DATA); in ext4_set_def_opts()
4404 set_opt(sb, ORDERED_DATA); in ext4_set_def_opts()
4406 set_opt(sb, WRITEBACK_DATA); in ext4_set_def_opts()
4409 set_opt(sb, ERRORS_PANIC); in ext4_set_def_opts()
4411 set_opt(sb, ERRORS_CONT); in ext4_set_def_opts()
4413 set_opt(sb, ERRORS_RO); in ext4_set_def_opts()
4415 set_opt(sb, BLOCK_VALIDITY); in ext4_set_def_opts()
4417 set_opt(sb, DISCARD); in ext4_set_def_opts()
4420 set_opt(sb, BARRIER); in ext4_set_def_opts()
4426 if (!IS_EXT3_SB(sb) && !IS_EXT2_SB(sb) && in ext4_set_def_opts()
4428 set_opt(sb, DELALLOC); in ext4_set_def_opts()
4430 if (sb->s_blocksize == PAGE_SIZE) in ext4_set_def_opts()
4431 set_opt(sb, DIOREAD_NOLOCK); in ext4_set_def_opts()
4434 static int ext4_handle_clustersize(struct super_block *sb) in ext4_handle_clustersize() argument
4436 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_handle_clustersize()
4442 if (ext4_has_feature_bigalloc(sb)) { in ext4_handle_clustersize()
4443 if (clustersize < sb->s_blocksize) { in ext4_handle_clustersize()
4444 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4446 "block size (%lu)", clustersize, sb->s_blocksize); in ext4_handle_clustersize()
4453 if (sbi->s_clusters_per_group > sb->s_blocksize * 8) { in ext4_handle_clustersize()
4454 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4460 (sbi->s_clusters_per_group * (clustersize / sb->s_blocksize))) { in ext4_handle_clustersize()
4461 ext4_msg(sb, KERN_ERR, "blocks per group (%lu) and " in ext4_handle_clustersize()
4468 if (clustersize != sb->s_blocksize) { in ext4_handle_clustersize()
4469 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4471 "block size (%lu)", clustersize, sb->s_blocksize); in ext4_handle_clustersize()
4474 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext4_handle_clustersize()
4475 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4483 sbi->s_cluster_ratio = clustersize / sb->s_blocksize; in ext4_handle_clustersize()
4487 set_opt2(sb, STD_GROUP_SIZE); in ext4_handle_clustersize()
4492 static void ext4_fast_commit_init(struct super_block *sb) in ext4_fast_commit_init() argument
4494 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_fast_commit_init()
4503 ext4_clear_mount_flag(sb, EXT4_MF_FC_INELIGIBLE); in ext4_fast_commit_init()
4516 static int ext4_inode_info_init(struct super_block *sb, in ext4_inode_info_init() argument
4519 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_inode_info_init()
4528 ext4_msg(sb, KERN_ERR, "invalid first ino: %u", in ext4_inode_info_init()
4534 (sbi->s_inode_size > sb->s_blocksize)) { in ext4_inode_info_init()
4535 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4538 ext4_msg(sb, KERN_ERR, "blocksize: %lu", sb->s_blocksize); in ext4_inode_info_init()
4549 sb->s_time_gran = 1; in ext4_inode_info_init()
4550 sb->s_time_max = EXT4_EXTRA_TIMESTAMP_MAX; in ext4_inode_info_init()
4552 sb->s_time_gran = NSEC_PER_SEC; in ext4_inode_info_init()
4553 sb->s_time_max = EXT4_NON_EXTRA_TIMESTAMP_MAX; in ext4_inode_info_init()
4555 sb->s_time_min = EXT4_TIMESTAMP_MIN; in ext4_inode_info_init()
4561 if (ext4_has_feature_extra_isize(sb)) { in ext4_inode_info_init()
4567 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4576 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4589 static int ext4_encoding_init(struct super_block *sb, struct ext4_super_block *es) in ext4_encoding_init() argument
4595 if (!ext4_has_feature_casefold(sb) || sb->s_encoding) in ext4_encoding_init()
4600 ext4_msg(sb, KERN_ERR, in ext4_encoding_init()
4607 ext4_msg(sb, KERN_ERR, in ext4_encoding_init()
4617 ext4_msg(sb, KERN_INFO,"Using encoding defined by superblock: " in ext4_encoding_init()
4624 sb->s_encoding = encoding; in ext4_encoding_init()
4625 sb->s_encoding_flags = encoding_flags; in ext4_encoding_init()
4630 static inline int ext4_encoding_init(struct super_block *sb, struct ext4_super_block *es) in ext4_encoding_init() argument
4636 static int ext4_init_metadata_csum(struct super_block *sb, struct ext4_super_block *es) in ext4_init_metadata_csum() argument
4638 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_metadata_csum()
4641 if (ext4_has_feature_metadata_csum(sb) && in ext4_init_metadata_csum()
4642 ext4_has_feature_gdt_csum(sb)) in ext4_init_metadata_csum()
4643 ext4_warning(sb, "metadata_csum and uninit_bg are " in ext4_init_metadata_csum()
4647 if (!ext4_verify_csum_type(sb, es)) { in ext4_init_metadata_csum()
4648 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_init_metadata_csum()
4652 ext4_setup_csum_trigger(sb, EXT4_JTR_ORPHAN_FILE, in ext4_init_metadata_csum()
4659 ext4_msg(sb, KERN_ERR, "Cannot load crc32c driver."); in ext4_init_metadata_csum()
4665 if (!ext4_superblock_csum_verify(sb, es)) { in ext4_init_metadata_csum()
4666 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_init_metadata_csum()
4672 if (ext4_has_feature_csum_seed(sb)) in ext4_init_metadata_csum()
4674 else if (ext4_has_metadata_csum(sb) || ext4_has_feature_ea_inode(sb)) in ext4_init_metadata_csum()
4680 static int ext4_check_feature_compatibility(struct super_block *sb, in ext4_check_feature_compatibility() argument
4684 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_feature_compatibility()
4687 (ext4_has_compat_features(sb) || in ext4_check_feature_compatibility()
4688 ext4_has_ro_compat_features(sb) || in ext4_check_feature_compatibility()
4689 ext4_has_incompat_features(sb))) in ext4_check_feature_compatibility()
4690 ext4_msg(sb, KERN_WARNING, in ext4_check_feature_compatibility()
4695 set_opt2(sb, HURD_COMPAT); in ext4_check_feature_compatibility()
4696 if (ext4_has_feature_64bit(sb)) { in ext4_check_feature_compatibility()
4697 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4706 if (ext4_has_feature_ea_inode(sb)) { in ext4_check_feature_compatibility()
4707 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4713 if (IS_EXT2_SB(sb)) { in ext4_check_feature_compatibility()
4714 if (ext2_feature_set_ok(sb)) in ext4_check_feature_compatibility()
4715 ext4_msg(sb, KERN_INFO, "mounting ext2 file system " in ext4_check_feature_compatibility()
4722 if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb))) in ext4_check_feature_compatibility()
4724 ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due " in ext4_check_feature_compatibility()
4730 if (IS_EXT3_SB(sb)) { in ext4_check_feature_compatibility()
4731 if (ext3_feature_set_ok(sb)) in ext4_check_feature_compatibility()
4732 ext4_msg(sb, KERN_INFO, "mounting ext3 file system " in ext4_check_feature_compatibility()
4739 if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb))) in ext4_check_feature_compatibility()
4741 ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due " in ext4_check_feature_compatibility()
4752 if (!ext4_feature_set_ok(sb, (sb_rdonly(sb)))) in ext4_check_feature_compatibility()
4756 if (sb->s_blocksize == PAGE_SIZE) in ext4_check_feature_compatibility()
4759 ext4_msg(sb, KERN_ERR, "unsupported blocksize for DAX\n"); in ext4_check_feature_compatibility()
4763 if (ext4_has_feature_inline_data(sb)) { in ext4_check_feature_compatibility()
4764 ext4_msg(sb, KERN_ERR, "Cannot use DAX on a filesystem" in ext4_check_feature_compatibility()
4769 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4775 if (ext4_has_feature_encrypt(sb) && es->s_encryption_level) { in ext4_check_feature_compatibility()
4776 ext4_msg(sb, KERN_ERR, "Unsupported encryption level %d", in ext4_check_feature_compatibility()
4784 static int ext4_check_geometry(struct super_block *sb, in ext4_check_geometry() argument
4787 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_geometry()
4791 if (le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) > (sb->s_blocksize / 4)) { in ext4_check_geometry()
4792 ext4_msg(sb, KERN_ERR, in ext4_check_geometry()
4801 err = generic_check_addressable(sb->s_blocksize_bits, in ext4_check_geometry()
4804 ext4_msg(sb, KERN_ERR, "filesystem" in ext4_check_geometry()
4810 blocks_count = sb_bdev_nr_blocks(sb); in ext4_check_geometry()
4812 ext4_msg(sb, KERN_WARNING, "bad geometry: block count %llu " in ext4_check_geometry()
4823 ext4_msg(sb, KERN_WARNING, "bad geometry: first data " in ext4_check_geometry()
4831 ext4_msg(sb, KERN_WARNING, "bad geometry: first data " in ext4_check_geometry()
4838 EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_check_geometry()
4839 do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb)); in ext4_check_geometry()
4840 if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) { in ext4_check_geometry()
4841 ext4_msg(sb, KERN_WARNING, "groups count too large: %llu " in ext4_check_geometry()
4846 EXT4_BLOCKS_PER_GROUP(sb)); in ext4_check_geometry()
4851 (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb))); in ext4_check_geometry()
4854 ext4_msg(sb, KERN_ERR, "inodes count not valid: %u vs %llu", in ext4_check_geometry()
4863 static int ext4_group_desc_init(struct super_block *sb, in ext4_group_desc_init() argument
4868 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_group_desc_init()
4873 db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) / in ext4_group_desc_init()
4874 EXT4_DESC_PER_BLOCK(sb); in ext4_group_desc_init()
4875 if (ext4_has_feature_meta_bg(sb)) { in ext4_group_desc_init()
4877 ext4_msg(sb, KERN_WARNING, in ext4_group_desc_init()
4889 ext4_msg(sb, KERN_ERR, "not enough memory"); in ext4_group_desc_init()
4897 block = descriptor_loc(sb, logical_sb_block, i); in ext4_group_desc_init()
4898 ext4_sb_breadahead_unmovable(sb, block); in ext4_group_desc_init()
4904 block = descriptor_loc(sb, logical_sb_block, i); in ext4_group_desc_init()
4905 bh = ext4_sb_bread_unmovable(sb, block); in ext4_group_desc_init()
4907 ext4_msg(sb, KERN_ERR, in ext4_group_desc_init()
4917 if (!ext4_check_descriptors(sb, logical_sb_block, first_not_zeroed)) { in ext4_group_desc_init()
4918 ext4_msg(sb, KERN_ERR, "group descriptors corrupted!"); in ext4_group_desc_init()
4925 static int ext4_load_and_init_journal(struct super_block *sb, in ext4_load_and_init_journal() argument
4929 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_load_and_init_journal()
4932 err = ext4_load_journal(sb, es, ctx->journal_devnum); in ext4_load_and_init_journal()
4936 if (ext4_has_feature_64bit(sb) && in ext4_load_and_init_journal()
4937 !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, in ext4_load_and_init_journal()
4939 ext4_msg(sb, KERN_ERR, "Failed to set 64-bit journal feature"); in ext4_load_and_init_journal()
4943 if (!set_journal_csum_feature_set(sb)) { in ext4_load_and_init_journal()
4944 ext4_msg(sb, KERN_ERR, "Failed to set journal checksum " in ext4_load_and_init_journal()
4949 if (test_opt2(sb, JOURNAL_FAST_COMMIT) && in ext4_load_and_init_journal()
4950 !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, in ext4_load_and_init_journal()
4952 ext4_msg(sb, KERN_ERR, in ext4_load_and_init_journal()
4959 switch (test_opt(sb, DATA_FLAGS)) { in ext4_load_and_init_journal()
4967 set_opt(sb, ORDERED_DATA); in ext4_load_and_init_journal()
4970 set_opt(sb, JOURNAL_DATA); in ext4_load_and_init_journal()
4979 ext4_msg(sb, KERN_ERR, "Journal does not support " in ext4_load_and_init_journal()
4988 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA && in ext4_load_and_init_journal()
4989 test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in ext4_load_and_init_journal()
4990 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_load_and_init_journal()
5009 static int ext4_check_journal_data_mode(struct super_block *sb) in ext4_check_journal_data_mode() argument
5011 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in ext4_check_journal_data_mode()
5016 clear_opt(sb, DIOREAD_NOLOCK); in ext4_check_journal_data_mode()
5017 clear_opt2(sb, JOURNAL_FAST_COMMIT); in ext4_check_journal_data_mode()
5018 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in ext4_check_journal_data_mode()
5019 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_check_journal_data_mode()
5023 if (test_opt(sb, DAX_ALWAYS)) { in ext4_check_journal_data_mode()
5024 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_check_journal_data_mode()
5028 if (ext4_has_feature_encrypt(sb)) { in ext4_check_journal_data_mode()
5029 ext4_msg(sb, KERN_WARNING, in ext4_check_journal_data_mode()
5033 if (test_opt(sb, DELALLOC)) in ext4_check_journal_data_mode()
5034 clear_opt(sb, DELALLOC); in ext4_check_journal_data_mode()
5036 sb->s_iflags |= SB_I_CGROUPWB; in ext4_check_journal_data_mode()
5042 static int ext4_load_super(struct super_block *sb, ext4_fsblk_t *lsb, in ext4_load_super() argument
5045 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_load_super()
5053 blocksize = sb_min_blocksize(sb, EXT4_MIN_BLOCK_SIZE); in ext4_load_super()
5055 ext4_msg(sb, KERN_ERR, "unable to set blocksize"); in ext4_load_super()
5070 bh = ext4_sb_bread_unmovable(sb, logical_sb_block); in ext4_load_super()
5072 ext4_msg(sb, KERN_ERR, "unable to read superblock"); in ext4_load_super()
5081 sb->s_magic = le16_to_cpu(es->s_magic); in ext4_load_super()
5082 if (sb->s_magic != EXT4_SUPER_MAGIC) { in ext4_load_super()
5084 ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); in ext4_load_super()
5090 ext4_msg(sb, KERN_ERR, in ext4_load_super()
5097 ext4_msg(sb, KERN_ERR, in ext4_load_super()
5109 if (sb->s_blocksize == blocksize) { in ext4_load_super()
5122 if (!sb_set_blocksize(sb, blocksize)) { in ext4_load_super()
5123 ext4_msg(sb, KERN_ERR, "bad block size %d", in ext4_load_super()
5131 bh = ext4_sb_bread_unmovable(sb, logical_sb_block); in ext4_load_super()
5133 ext4_msg(sb, KERN_ERR, "Can't read superblock on 2nd try"); in ext4_load_super()
5141 ext4_msg(sb, KERN_ERR, "Magic mismatch, very weird!"); in ext4_load_super()
5152 static void ext4_hash_info_init(struct super_block *sb) in ext4_hash_info_init() argument
5154 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_hash_info_init()
5162 if (ext4_has_feature_dir_index(sb)) { in ext4_hash_info_init()
5168 if (!sb_rdonly(sb)) in ext4_hash_info_init()
5173 if (!sb_rdonly(sb)) in ext4_hash_info_init()
5181 static int ext4_block_group_meta_init(struct super_block *sb, int silent) in ext4_block_group_meta_init() argument
5183 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_block_group_meta_init()
5187 has_huge_files = ext4_has_feature_huge_file(sb); in ext4_block_group_meta_init()
5188 sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits, in ext4_block_group_meta_init()
5190 sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files); in ext4_block_group_meta_init()
5193 if (ext4_has_feature_64bit(sb)) { in ext4_block_group_meta_init()
5197 ext4_msg(sb, KERN_ERR, in ext4_block_group_meta_init()
5208 sbi->s_inodes_per_block = sb->s_blocksize / EXT4_INODE_SIZE(sb); in ext4_block_group_meta_init()
5211 ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); in ext4_block_group_meta_init()
5215 sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext4_block_group_meta_init()
5216 ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n", in ext4_block_group_meta_init()
5222 sbi->s_desc_per_block = sb->s_blocksize / EXT4_DESC_SIZE(sb); in ext4_block_group_meta_init()
5224 sbi->s_addr_per_block_bits = ilog2(EXT4_ADDR_PER_BLOCK(sb)); in ext4_block_group_meta_init()
5225 sbi->s_desc_per_block_bits = ilog2(EXT4_DESC_PER_BLOCK(sb)); in ext4_block_group_meta_init()
5235 static bool ext4_is_stripe_incompatible(struct super_block *sb, unsigned long stripe) in ext4_is_stripe_incompatible() argument
5237 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_is_stripe_incompatible()
5242 static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) in __ext4_fill_super() argument
5245 struct ext4_sb_info *sbi = EXT4_SB(sb); in __ext4_fill_super()
5260 part_stat_read(sb->s_bdev, sectors[STAT_WRITE]); in __ext4_fill_super()
5262 err = ext4_load_super(sb, &logical_sb_block, silent); in __ext4_fill_super()
5269 err = ext4_init_metadata_csum(sb, es); in __ext4_fill_super()
5273 ext4_set_def_opts(sb, es); in __ext4_fill_super()
5287 err = ext4_inode_info_init(sb, es); in __ext4_fill_super()
5291 err = parse_apply_sb_mount_options(sb, ctx); in __ext4_fill_super()
5298 err = ext4_check_opt_consistency(fc, sb); in __ext4_fill_super()
5302 ext4_apply_options(fc, sb); in __ext4_fill_super()
5304 err = ext4_encoding_init(sb, es); in __ext4_fill_super()
5308 err = ext4_check_journal_data_mode(sb); in __ext4_fill_super()
5312 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in __ext4_fill_super()
5313 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in __ext4_fill_super()
5316 sb->s_flags |= SB_I_VERSION; in __ext4_fill_super()
5318 err = ext4_check_feature_compatibility(sb, es, silent); in __ext4_fill_super()
5322 err = ext4_block_group_meta_init(sb, silent); in __ext4_fill_super()
5326 ext4_hash_info_init(sb); in __ext4_fill_super()
5328 err = ext4_handle_clustersize(sb); in __ext4_fill_super()
5332 err = ext4_check_geometry(sb, es); in __ext4_fill_super()
5340 err = ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed); in __ext4_fill_super()
5349 if (ext4_is_stripe_incompatible(sb, sbi->s_stripe)) { in __ext4_fill_super()
5350 ext4_msg(sb, KERN_WARNING, in __ext4_fill_super()
5361 sb->s_op = &ext4_sops; in __ext4_fill_super()
5362 sb->s_export_op = &ext4_export_ops; in __ext4_fill_super()
5363 sb->s_xattr = ext4_xattr_handlers; in __ext4_fill_super()
5365 sb->s_cop = &ext4_cryptops; in __ext4_fill_super()
5368 sb->s_vop = &ext4_verityops; in __ext4_fill_super()
5371 sb->dq_op = &ext4_quota_operations; in __ext4_fill_super()
5372 if (ext4_has_feature_quota(sb)) in __ext4_fill_super()
5373 sb->s_qcop = &dquot_quotactl_sysfile_ops; in __ext4_fill_super()
5375 sb->s_qcop = &ext4_qctl_operations; in __ext4_fill_super()
5376 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; in __ext4_fill_super()
5378 memcpy(&sb->s_uuid, es->s_uuid, sizeof(es->s_uuid)); in __ext4_fill_super()
5385 ext4_fast_commit_init(sb); in __ext4_fill_super()
5387 sb->s_root = NULL; in __ext4_fill_super()
5390 ext4_has_feature_orphan_present(sb) || in __ext4_fill_super()
5391 ext4_has_feature_journal_needs_recovery(sb)); in __ext4_fill_super()
5393 if (ext4_has_feature_mmp(sb) && !sb_rdonly(sb)) { in __ext4_fill_super()
5394 err = ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)); in __ext4_fill_super()
5404 if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) { in __ext4_fill_super()
5405 err = ext4_load_and_init_journal(sb, es, ctx); in __ext4_fill_super()
5408 } else if (test_opt(sb, NOLOAD) && !sb_rdonly(sb) && in __ext4_fill_super()
5409 ext4_has_feature_journal_needs_recovery(sb)) { in __ext4_fill_super()
5410 ext4_msg(sb, KERN_ERR, "required journal recovery " in __ext4_fill_super()
5415 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in __ext4_fill_super()
5416 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5421 if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) { in __ext4_fill_super()
5422 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5427 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5434 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5438 if (test_opt(sb, DATA_ERR_ABORT)) { in __ext4_fill_super()
5439 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5444 clear_opt(sb, JOURNAL_CHECKSUM); in __ext4_fill_super()
5445 clear_opt(sb, DATA_FLAGS); in __ext4_fill_super()
5446 clear_opt2(sb, JOURNAL_FAST_COMMIT); in __ext4_fill_super()
5451 if (!test_opt(sb, NO_MBCACHE)) { in __ext4_fill_super()
5454 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5460 if (ext4_has_feature_ea_inode(sb)) { in __ext4_fill_super()
5463 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5484 if (!ext4_has_feature_bigalloc(sb)) in __ext4_fill_super()
5487 err = ext4_calculate_overhead(sb); in __ext4_fill_super()
5496 EXT4_SB(sb)->rsv_conversion_wq = in __ext4_fill_super()
5498 if (!EXT4_SB(sb)->rsv_conversion_wq) { in __ext4_fill_super()
5509 root = ext4_iget(sb, EXT4_ROOT_INO, EXT4_IGET_SPECIAL); in __ext4_fill_super()
5511 ext4_msg(sb, KERN_ERR, "get root inode failed"); in __ext4_fill_super()
5517 ext4_msg(sb, KERN_ERR, "corrupt root inode, run e2fsck"); in __ext4_fill_super()
5523 sb->s_root = d_make_root(root); in __ext4_fill_super()
5524 if (!sb->s_root) { in __ext4_fill_super()
5525 ext4_msg(sb, KERN_ERR, "get root dentry failed"); in __ext4_fill_super()
5530 err = ext4_setup_super(sb, es, sb_rdonly(sb)); in __ext4_fill_super()
5532 sb->s_flags |= SB_RDONLY; in __ext4_fill_super()
5536 ext4_set_resv_clusters(sb); in __ext4_fill_super()
5538 if (test_opt(sb, BLOCK_VALIDITY)) { in __ext4_fill_super()
5539 err = ext4_setup_system_zone(sb); in __ext4_fill_super()
5541 ext4_msg(sb, KERN_ERR, "failed to initialize system " in __ext4_fill_super()
5546 ext4_fc_replay_cleanup(sb); in __ext4_fill_super()
5548 ext4_ext_init(sb); in __ext4_fill_super()
5557 set_opt2(sb, MB_OPTIMIZE_SCAN); in __ext4_fill_super()
5559 clear_opt2(sb, MB_OPTIMIZE_SCAN); in __ext4_fill_super()
5562 err = ext4_mb_init(sb); in __ext4_fill_super()
5564 ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", in __ext4_fill_super()
5581 if (ext4_has_feature_flex_bg(sb)) in __ext4_fill_super()
5582 if (!ext4_fill_flex_info(sb)) { in __ext4_fill_super()
5583 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5590 err = ext4_register_li_request(sb, first_not_zeroed); in __ext4_fill_super()
5594 err = ext4_init_orphan_info(sb); in __ext4_fill_super()
5599 if (ext4_has_feature_quota(sb) && !sb_rdonly(sb)) { in __ext4_fill_super()
5600 err = ext4_enable_quotas(sb); in __ext4_fill_super()
5610 errseq_check_and_advance(&sb->s_bdev->bd_inode->i_mapping->wb_err, in __ext4_fill_super()
5612 EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; in __ext4_fill_super()
5613 ext4_orphan_cleanup(sb, es); in __ext4_fill_super()
5614 EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS; in __ext4_fill_super()
5622 ext4_superblock_csum_set(sb); in __ext4_fill_super()
5624 ext4_msg(sb, KERN_INFO, "recovery complete"); in __ext4_fill_super()
5625 err = ext4_mark_recovery_complete(sb, es); in __ext4_fill_super()
5630 if (test_opt(sb, DISCARD) && !bdev_max_discard_sectors(sb->s_bdev)) in __ext4_fill_super()
5631 ext4_msg(sb, KERN_WARNING, in __ext4_fill_super()
5645 err = ext4_register_sysfs(sb); in __ext4_fill_super()
5652 ext4_quotas_off(sb, EXT4_MAXQUOTAS); in __ext4_fill_super()
5654 ext4_release_orphan_info(sb); in __ext4_fill_super()
5656 ext4_unregister_li_request(sb); in __ext4_fill_super()
5658 ext4_mb_release(sb); in __ext4_fill_super()
5662 ext4_ext_release(sb); in __ext4_fill_super()
5663 ext4_release_system_zone(sb); in __ext4_fill_super()
5665 dput(sb->s_root); in __ext4_fill_super()
5666 sb->s_root = NULL; in __ext4_fill_super()
5668 ext4_msg(sb, KERN_ERR, "mount failed"); in __ext4_fill_super()
5669 if (EXT4_SB(sb)->rsv_conversion_wq) in __ext4_fill_super()
5670 destroy_workqueue(EXT4_SB(sb)->rsv_conversion_wq); in __ext4_fill_super()
5694 utf8_unload(sb->s_encoding); in __ext4_fill_super()
5699 kfree(get_qf_name(sb, sbi, i)); in __ext4_fill_super()
5705 blkdev_put(sbi->s_journal_bdev, sb); in __ext4_fill_super()
5708 invalidate_bdev(sb->s_bdev); in __ext4_fill_super()
5709 sb->s_fs_info = NULL; in __ext4_fill_super()
5713 static int ext4_fill_super(struct super_block *sb, struct fs_context *fc) in ext4_fill_super() argument
5720 sbi = ext4_alloc_sbi(sb); in ext4_fill_super()
5727 strreplace(sb->s_id, '/', '!'); in ext4_fill_super()
5733 ret = __ext4_fill_super(fc, sb); in ext4_fill_super()
5738 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in ext4_fill_super()
5740 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in ext4_fill_super()
5748 ext4_msg(sb, KERN_INFO, "mounted filesystem %pU %s with%s. " in ext4_fill_super()
5749 "Quota mode: %s.", &sb->s_uuid, in ext4_fill_super()
5750 sb_rdonly(sb) ? "ro" : "r/w", descr, in ext4_fill_super()
5751 ext4_quota_mode(sb)); in ext4_fill_super()
5754 ext4_update_overhead(sb, false); in ext4_fill_super()
5773 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal) in ext4_init_journal_params() argument
5775 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_journal_params()
5780 ext4_fc_init(sb, journal); in ext4_init_journal_params()
5783 if (test_opt(sb, BARRIER)) in ext4_init_journal_params()
5787 if (test_opt(sb, DATA_ERR_ABORT)) in ext4_init_journal_params()
5799 static struct inode *ext4_get_journal_inode(struct super_block *sb, in ext4_get_journal_inode() argument
5809 journal_inode = ext4_iget(sb, journal_inum, EXT4_IGET_SPECIAL); in ext4_get_journal_inode()
5811 ext4_msg(sb, KERN_ERR, "no journal found"); in ext4_get_journal_inode()
5817 ext4_msg(sb, KERN_ERR, "journal inode is deleted"); in ext4_get_journal_inode()
5821 ext4_msg(sb, KERN_ERR, "invalid journal inode"); in ext4_get_journal_inode()
5853 static journal_t *ext4_open_inode_journal(struct super_block *sb, in ext4_open_inode_journal() argument
5859 journal_inode = ext4_get_journal_inode(sb, journal_inum); in ext4_open_inode_journal()
5865 ext4_msg(sb, KERN_ERR, "Could not load journal inode"); in ext4_open_inode_journal()
5869 journal->j_private = sb; in ext4_open_inode_journal()
5871 ext4_init_journal_params(sb, journal); in ext4_open_inode_journal()
5875 static struct block_device *ext4_get_journal_blkdev(struct super_block *sb, in ext4_get_journal_blkdev() argument
5888 up_write(&sb->s_umount); in ext4_get_journal_blkdev()
5889 bdev = blkdev_get_by_dev(j_dev, BLK_OPEN_READ | BLK_OPEN_WRITE, sb, in ext4_get_journal_blkdev()
5891 down_write(&sb->s_umount); in ext4_get_journal_blkdev()
5893 ext4_msg(sb, KERN_ERR, in ext4_get_journal_blkdev()
5899 blocksize = sb->s_blocksize; in ext4_get_journal_blkdev()
5902 ext4_msg(sb, KERN_ERR, in ext4_get_journal_blkdev()
5913 ext4_msg(sb, KERN_ERR, "couldn't read superblock of " in ext4_get_journal_blkdev()
5923 ext4_msg(sb, KERN_ERR, "external journal has bad superblock"); in ext4_get_journal_blkdev()
5930 es->s_checksum != ext4_superblock_csum(sb, es)) { in ext4_get_journal_blkdev()
5931 ext4_msg(sb, KERN_ERR, "external journal has corrupt superblock"); in ext4_get_journal_blkdev()
5936 if (memcmp(EXT4_SB(sb)->s_es->s_journal_uuid, es->s_uuid, 16)) { in ext4_get_journal_blkdev()
5937 ext4_msg(sb, KERN_ERR, "journal UUID does not match"); in ext4_get_journal_blkdev()
5950 blkdev_put(bdev, sb); in ext4_get_journal_blkdev()
5954 static journal_t *ext4_open_dev_journal(struct super_block *sb, in ext4_open_dev_journal() argument
5963 journal_bdev = ext4_get_journal_blkdev(sb, j_dev, &j_start, &j_len); in ext4_open_dev_journal()
5967 journal = jbd2_journal_init_dev(journal_bdev, sb->s_bdev, j_start, in ext4_open_dev_journal()
5968 j_len, sb->s_blocksize); in ext4_open_dev_journal()
5970 ext4_msg(sb, KERN_ERR, "failed to create device journal"); in ext4_open_dev_journal()
5975 ext4_msg(sb, KERN_ERR, "External journal has more than one " in ext4_open_dev_journal()
5981 journal->j_private = sb; in ext4_open_dev_journal()
5982 EXT4_SB(sb)->s_journal_bdev = journal_bdev; in ext4_open_dev_journal()
5983 ext4_init_journal_params(sb, journal); in ext4_open_dev_journal()
5987 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_open_dev_journal()
5989 blkdev_put(journal_bdev, sb); in ext4_open_dev_journal()
5993 static int ext4_load_journal(struct super_block *sb, in ext4_load_journal() argument
6004 if (WARN_ON_ONCE(!ext4_has_feature_journal(sb))) in ext4_load_journal()
6009 ext4_msg(sb, KERN_INFO, "external journal device major/minor " in ext4_load_journal()
6016 ext4_msg(sb, KERN_ERR, in ext4_load_journal()
6022 journal = ext4_open_inode_journal(sb, journal_inum); in ext4_load_journal()
6026 journal = ext4_open_dev_journal(sb, journal_dev); in ext4_load_journal()
6032 really_read_only = bdev_read_only(sb->s_bdev) | journal_dev_ro; in ext4_load_journal()
6034 if (journal_dev_ro && !sb_rdonly(sb)) { in ext4_load_journal()
6035 ext4_msg(sb, KERN_ERR, in ext4_load_journal()
6046 if (ext4_has_feature_journal_needs_recovery(sb)) { in ext4_load_journal()
6047 if (sb_rdonly(sb)) { in ext4_load_journal()
6048 ext4_msg(sb, KERN_INFO, "INFO: recovery " in ext4_load_journal()
6051 ext4_msg(sb, KERN_ERR, "write access " in ext4_load_journal()
6057 ext4_msg(sb, KERN_INFO, "write access will " in ext4_load_journal()
6063 ext4_msg(sb, KERN_INFO, "barriers disabled"); in ext4_load_journal()
6065 if (!ext4_has_feature_journal_needs_recovery(sb)) in ext4_load_journal()
6084 es->s_state |= cpu_to_le16(EXT4_SB(sb)->s_mount_state & in ext4_load_journal()
6091 err2 = ext4_commit_super(sb); in ext4_load_journal()
6097 ext4_msg(sb, KERN_ERR, "error loading journal"); in ext4_load_journal()
6101 EXT4_SB(sb)->s_journal = journal; in ext4_load_journal()
6102 err = ext4_clear_journal_err(sb, es); in ext4_load_journal()
6104 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_load_journal()
6111 ext4_commit_super(sb); in ext4_load_journal()
6116 ext4_commit_super(sb); in ext4_load_journal()
6122 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_load_journal()
6126 /* Copy state of EXT4_SB(sb) into buffer for on-disk superblock */
6127 static void ext4_update_super(struct super_block *sb) in ext4_update_super() argument
6129 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_update_super()
6144 if (!sb_rdonly(sb)) in ext4_update_super()
6148 ((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) - in ext4_update_super()
6198 ext4_superblock_csum_set(sb); in ext4_update_super()
6202 static int ext4_commit_super(struct super_block *sb) in ext4_commit_super() argument
6204 struct buffer_head *sbh = EXT4_SB(sb)->s_sbh; in ext4_commit_super()
6208 if (block_device_ejected(sb)) in ext4_commit_super()
6211 ext4_update_super(sb); in ext4_commit_super()
6229 ext4_msg(sb, KERN_ERR, "previous I/O error to " in ext4_commit_super()
6239 (test_opt(sb, BARRIER) ? REQ_FUA : 0), sbh); in ext4_commit_super()
6242 ext4_msg(sb, KERN_ERR, "I/O error while writing " in ext4_commit_super()
6256 static int ext4_mark_recovery_complete(struct super_block *sb, in ext4_mark_recovery_complete() argument
6260 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_mark_recovery_complete()
6262 if (!ext4_has_feature_journal(sb)) { in ext4_mark_recovery_complete()
6264 ext4_error(sb, "Journal got removed while the fs was " in ext4_mark_recovery_complete()
6275 if (sb_rdonly(sb) && (ext4_has_feature_journal_needs_recovery(sb) || in ext4_mark_recovery_complete()
6276 ext4_has_feature_orphan_present(sb))) { in ext4_mark_recovery_complete()
6277 if (!ext4_orphan_file_empty(sb)) { in ext4_mark_recovery_complete()
6278 ext4_error(sb, "Orphan file not empty on read-only fs."); in ext4_mark_recovery_complete()
6282 ext4_clear_feature_journal_needs_recovery(sb); in ext4_mark_recovery_complete()
6283 ext4_clear_feature_orphan_present(sb); in ext4_mark_recovery_complete()
6284 ext4_commit_super(sb); in ext4_mark_recovery_complete()
6296 static int ext4_clear_journal_err(struct super_block *sb, in ext4_clear_journal_err() argument
6303 if (!ext4_has_feature_journal(sb)) { in ext4_clear_journal_err()
6304 ext4_error(sb, "Journal got removed while the fs was mounted!"); in ext4_clear_journal_err()
6308 journal = EXT4_SB(sb)->s_journal; in ext4_clear_journal_err()
6319 errstr = ext4_decode_error(sb, j_errno, nbuf); in ext4_clear_journal_err()
6320 ext4_warning(sb, "Filesystem error recorded " in ext4_clear_journal_err()
6323 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in ext4_clear_journal_err()
6325 j_errno = ext4_commit_super(sb); in ext4_clear_journal_err()
6328 ext4_warning(sb, "Marked fs in need of filesystem check."); in ext4_clear_journal_err()
6340 int ext4_force_commit(struct super_block *sb) in ext4_force_commit() argument
6342 return ext4_journal_force_commit(EXT4_SB(sb)->s_journal); in ext4_force_commit()
6345 static int ext4_sync_fs(struct super_block *sb, int wait) in ext4_sync_fs() argument
6350 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_sync_fs()
6352 if (unlikely(ext4_forced_shutdown(sb))) in ext4_sync_fs()
6355 trace_ext4_sync_fs(sb, wait); in ext4_sync_fs()
6361 dquot_writeback_dquots(sb, -1); in ext4_sync_fs()
6378 } else if (wait && test_opt(sb, BARRIER)) in ext4_sync_fs()
6382 err = blkdev_issue_flush(sb->s_bdev); in ext4_sync_fs()
6398 static int ext4_freeze(struct super_block *sb) in ext4_freeze() argument
6401 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_freeze()
6416 ext4_clear_feature_journal_needs_recovery(sb); in ext4_freeze()
6417 if (ext4_orphan_file_empty(sb)) in ext4_freeze()
6418 ext4_clear_feature_orphan_present(sb); in ext4_freeze()
6421 error = ext4_commit_super(sb); in ext4_freeze()
6433 static int ext4_unfreeze(struct super_block *sb) in ext4_unfreeze() argument
6435 if (ext4_forced_shutdown(sb)) in ext4_unfreeze()
6438 if (EXT4_SB(sb)->s_journal) { in ext4_unfreeze()
6440 ext4_set_feature_journal_needs_recovery(sb); in ext4_unfreeze()
6441 if (ext4_has_feature_orphan_file(sb)) in ext4_unfreeze()
6442 ext4_set_feature_orphan_present(sb); in ext4_unfreeze()
6445 ext4_commit_super(sb); in ext4_unfreeze()
6465 static int __ext4_remount(struct fs_context *fc, struct super_block *sb) in __ext4_remount() argument
6469 struct ext4_sb_info *sbi = EXT4_SB(sb); in __ext4_remount()
6483 old_sb_flags = sb->s_flags; in __ext4_remount()
6495 char *qf_name = get_qf_name(sb, sbi, i); in __ext4_remount()
6516 ext4_is_stripe_incompatible(sb, ctx->s_stripe)) { in __ext4_remount()
6517 ext4_msg(sb, KERN_WARNING, in __ext4_remount()
6531 alloc_ctx = ext4_writepages_down_write(sb); in __ext4_remount()
6532 ext4_apply_options(fc, sb); in __ext4_remount()
6533 ext4_writepages_up_write(sb, alloc_ctx); in __ext4_remount()
6536 test_opt(sb, JOURNAL_CHECKSUM)) { in __ext4_remount()
6537 ext4_msg(sb, KERN_ERR, "changing journal_checksum " in __ext4_remount()
6542 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in __ext4_remount()
6543 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in __ext4_remount()
6544 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6549 if (test_opt(sb, DIOREAD_NOLOCK)) { in __ext4_remount()
6550 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6555 } else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) { in __ext4_remount()
6556 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in __ext4_remount()
6557 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6565 ext4_msg(sb, KERN_ERR, "can't enable nombcache during remount"); in __ext4_remount()
6570 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in __ext4_remount()
6571 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in __ext4_remount()
6576 ext4_init_journal_params(sb, sbi->s_journal); in __ext4_remount()
6583 if ((bool)(fc->sb_flags & SB_RDONLY) != sb_rdonly(sb)) { in __ext4_remount()
6584 if (ext4_forced_shutdown(sb)) { in __ext4_remount()
6590 err = sync_filesystem(sb); in __ext4_remount()
6593 err = dquot_suspend(sb, -1); in __ext4_remount()
6601 sb->s_flags |= SB_RDONLY; in __ext4_remount()
6617 ext4_mark_recovery_complete(sb, es); in __ext4_remount()
6621 if (ext4_has_feature_readonly(sb) || in __ext4_remount()
6622 !ext4_feature_set_ok(sb, 0)) { in __ext4_remount()
6632 ext4_get_group_desc(sb, g, NULL); in __ext4_remount()
6634 if (!ext4_group_desc_csum_verify(sb, g, gdp)) { in __ext4_remount()
6635 ext4_msg(sb, KERN_ERR, in __ext4_remount()
6637 g, le16_to_cpu(ext4_group_desc_csum(sb, g, gdp)), in __ext4_remount()
6649 if (es->s_last_orphan || !ext4_orphan_file_empty(sb)) { in __ext4_remount()
6650 ext4_msg(sb, KERN_WARNING, "Couldn't " in __ext4_remount()
6665 err = ext4_clear_journal_err(sb, es); in __ext4_remount()
6672 err = ext4_setup_super(sb, es, 0); in __ext4_remount()
6676 sb->s_flags &= ~SB_RDONLY; in __ext4_remount()
6677 if (ext4_has_feature_mmp(sb)) { in __ext4_remount()
6678 err = ext4_multi_mount_protect(sb, in __ext4_remount()
6694 if (test_opt(sb, BLOCK_VALIDITY) && !sbi->s_system_blks) { in __ext4_remount()
6695 err = ext4_setup_system_zone(sb); in __ext4_remount()
6701 err = ext4_commit_super(sb); in __ext4_remount()
6708 if (sb_any_quota_suspended(sb)) in __ext4_remount()
6709 dquot_resume(sb, -1); in __ext4_remount()
6710 else if (ext4_has_feature_quota(sb)) { in __ext4_remount()
6711 err = ext4_enable_quotas(sb); in __ext4_remount()
6720 if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks) in __ext4_remount()
6721 ext4_release_system_zone(sb); in __ext4_remount()
6727 if (sb_rdonly(sb) || !test_opt(sb, INIT_INODE_TABLE)) in __ext4_remount()
6728 ext4_unregister_li_request(sb); in __ext4_remount()
6731 first_not_zeroed = ext4_has_uninit_itable(sb); in __ext4_remount()
6732 ext4_register_li_request(sb, first_not_zeroed); in __ext4_remount()
6735 if (!ext4_has_feature_mmp(sb) || sb_rdonly(sb)) in __ext4_remount()
6743 if (test_opt2(sb, ABORT)) in __ext4_remount()
6744 ext4_abort(sb, ESHUTDOWN, "Abort forced by user"); in __ext4_remount()
6753 if (sb_rdonly(sb) && !(old_sb_flags & SB_RDONLY) && in __ext4_remount()
6754 sb_any_quota_suspended(sb)) in __ext4_remount()
6755 dquot_resume(sb, -1); in __ext4_remount()
6757 alloc_ctx = ext4_writepages_down_write(sb); in __ext4_remount()
6758 sb->s_flags = old_sb_flags; in __ext4_remount()
6766 ext4_writepages_up_write(sb, alloc_ctx); in __ext4_remount()
6768 if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks) in __ext4_remount()
6769 ext4_release_system_zone(sb); in __ext4_remount()
6773 to_free[i] = get_qf_name(sb, sbi, i); in __ext4_remount()
6780 if (!ext4_has_feature_mmp(sb) || sb_rdonly(sb)) in __ext4_remount()
6787 struct super_block *sb = fc->root->d_sb; in ext4_reconfigure() local
6789 bool old_ro = sb_rdonly(sb); in ext4_reconfigure()
6791 fc->s_fs_info = EXT4_SB(sb); in ext4_reconfigure()
6793 ret = ext4_check_opt_consistency(fc, sb); in ext4_reconfigure()
6797 ret = __ext4_remount(fc, sb); in ext4_reconfigure()
6801 ext4_msg(sb, KERN_INFO, "re-mounted %pU%s.", in ext4_reconfigure()
6802 &sb->s_uuid, in ext4_reconfigure()
6803 (old_ro != sb_rdonly(sb)) ? (sb_rdonly(sb) ? " ro" : " r/w") : ""); in ext4_reconfigure()
6809 static int ext4_statfs_project(struct super_block *sb, in ext4_statfs_project() argument
6818 dquot = dqget(sb, qid); in ext4_statfs_project()
6825 limit >>= sb->s_blocksize_bits; in ext4_statfs_project()
6831 dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; in ext4_statfs_project()
6860 struct super_block *sb = dentry->d_sb; in ext4_statfs() local
6861 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_statfs()
6867 if (!test_opt(sb, MINIX_DF)) in ext4_statfs()
6871 buf->f_bsize = sb->s_blocksize; in ext4_statfs()
6888 sb_has_quota_limits_enabled(sb, PRJQUOTA)) in ext4_statfs()
6889 ext4_statfs_project(sb, EXT4_I(dentry->d_inode)->i_projid, buf); in ext4_statfs()
6990 struct super_block *sb = dquot->dq_sb; in ext4_mark_dquot_dirty() local
6992 if (ext4_is_quota_journalled(sb)) { in ext4_mark_dquot_dirty()
7000 static int ext4_write_info(struct super_block *sb, int type) in ext4_write_info() argument
7006 handle = ext4_journal_start_sb(sb, EXT4_HT_QUOTA, 2); in ext4_write_info()
7009 ret = dquot_commit_info(sb, type); in ext4_write_info()
7033 static int ext4_quota_on(struct super_block *sb, int type, int format_id, in ext4_quota_on() argument
7038 if (!test_opt(sb, QUOTA)) in ext4_quota_on()
7042 if (path->dentry->d_sb != sb) in ext4_quota_on()
7050 if (EXT4_SB(sb)->s_qf_names[type]) { in ext4_quota_on()
7052 if (path->dentry->d_parent != sb->s_root) in ext4_quota_on()
7053 ext4_msg(sb, KERN_WARNING, in ext4_quota_on()
7056 sb_dqopt(sb)->flags |= DQUOT_NOLIST_DIRTY; in ext4_quota_on()
7062 sb_dqopt(sb)->flags &= ~DQUOT_NOLIST_DIRTY; in ext4_quota_on()
7066 err = dquot_quota_on(sb, type, format_id, path); in ext4_quota_on()
7088 dquot_quota_off(sb, type); in ext4_quota_on()
7110 static int ext4_quota_enable(struct super_block *sb, int type, int format_id, in ext4_quota_enable() argument
7116 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_quota_enable()
7117 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum), in ext4_quota_enable()
7118 le32_to_cpu(EXT4_SB(sb)->s_es->s_prj_quota_inum) in ext4_quota_enable()
7121 BUG_ON(!ext4_has_feature_quota(sb)); in ext4_quota_enable()
7127 ext4_error(sb, "Bad quota inum: %lu, type: %d", in ext4_quota_enable()
7132 qf_inode = ext4_iget(sb, qf_inums[type], EXT4_IGET_SPECIAL); in ext4_quota_enable()
7134 ext4_error(sb, "Bad quota inode: %lu, type: %d", in ext4_quota_enable()
7151 int ext4_enable_quotas(struct super_block *sb) in ext4_enable_quotas() argument
7155 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_enable_quotas()
7156 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum), in ext4_enable_quotas()
7157 le32_to_cpu(EXT4_SB(sb)->s_es->s_prj_quota_inum) in ext4_enable_quotas()
7160 test_opt(sb, USRQUOTA), in ext4_enable_quotas()
7161 test_opt(sb, GRPQUOTA), in ext4_enable_quotas()
7162 test_opt(sb, PRJQUOTA), in ext4_enable_quotas()
7165 sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NOLIST_DIRTY; in ext4_enable_quotas()
7168 err = ext4_quota_enable(sb, type, QFMT_VFS_V1, in ext4_enable_quotas()
7172 ext4_warning(sb, in ext4_enable_quotas()
7178 ext4_quotas_off(sb, type); in ext4_enable_quotas()
7186 static int ext4_quota_off(struct super_block *sb, int type) in ext4_quota_off() argument
7188 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_off()
7194 if (test_opt(sb, DELALLOC)) in ext4_quota_off()
7195 sync_filesystem(sb); in ext4_quota_off()
7200 err = dquot_quota_off(sb, type); in ext4_quota_off()
7201 if (err || ext4_has_feature_quota(sb)) in ext4_quota_off()
7208 if (sb_rdonly(sb)) in ext4_quota_off()
7234 return dquot_quota_off(sb, type); in ext4_quota_off()
7241 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, in ext4_quota_read() argument
7244 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_read()
7245 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_read()
7246 int offset = off & (sb->s_blocksize - 1); in ext4_quota_read()
7258 tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); in ext4_quota_read()
7277 static ssize_t ext4_quota_write(struct super_block *sb, int type, in ext4_quota_write() argument
7280 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_write()
7281 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_write()
7282 int err = 0, err2 = 0, offset = off & (sb->s_blocksize - 1); in ext4_quota_write()
7288 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
7297 if (sb->s_blocksize - offset < len) { in ext4_quota_write()
7298 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
7315 err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE); in ext4_quota_write()
7352 static inline int ext2_feature_set_ok(struct super_block *sb) in ext2_feature_set_ok() argument
7354 if (ext4_has_unknown_ext2_incompat_features(sb)) in ext2_feature_set_ok()
7356 if (sb_rdonly(sb)) in ext2_feature_set_ok()
7358 if (ext4_has_unknown_ext2_ro_compat_features(sb)) in ext2_feature_set_ok()
7365 static inline int ext2_feature_set_ok(struct super_block *sb) { return 0; } in ext2_feature_set_ok() argument
7381 static inline int ext3_feature_set_ok(struct super_block *sb) in ext3_feature_set_ok() argument
7383 if (ext4_has_unknown_ext3_incompat_features(sb)) in ext3_feature_set_ok()
7385 if (!ext4_has_feature_journal(sb)) in ext3_feature_set_ok()
7387 if (sb_rdonly(sb)) in ext3_feature_set_ok()
7389 if (ext4_has_unknown_ext3_ro_compat_features(sb)) in ext3_feature_set_ok()
7394 static void ext4_kill_sb(struct super_block *sb) in ext4_kill_sb() argument
7396 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_kill_sb()
7399 kill_block_super(sb); in ext4_kill_sb()
7402 blkdev_put(journal_bdev, sb); in ext4_kill_sb()