Lines Matching full:sb
42 static void ext2_write_super(struct super_block *sb);
43 static int ext2_remount (struct super_block * sb, int * flags, char * data);
45 static int ext2_sync_fs(struct super_block *sb, int wait);
46 static int ext2_freeze(struct super_block *sb);
47 static int ext2_unfreeze(struct super_block *sb);
49 void ext2_error(struct super_block *sb, const char *function, in ext2_error() argument
54 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_error()
57 if (!sb_rdonly(sb)) { in ext2_error()
62 ext2_sync_super(sb, es, 1); in ext2_error()
71 sb->s_id, function, &vaf); in ext2_error()
75 if (test_opt(sb, ERRORS_PANIC)) in ext2_error()
77 if (!sb_rdonly(sb) && test_opt(sb, ERRORS_RO)) { in ext2_error()
78 ext2_msg(sb, KERN_CRIT, in ext2_error()
80 sb->s_flags |= SB_RDONLY; in ext2_error()
84 void ext2_msg(struct super_block *sb, const char *prefix, in ext2_msg() argument
95 printk("%sEXT2-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in ext2_msg()
103 void ext2_update_dynamic_rev(struct super_block *sb) in ext2_update_dynamic_rev() argument
105 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_update_dynamic_rev()
110 ext2_msg(sb, KERN_WARNING, in ext2_update_dynamic_rev()
129 static int ext2_quota_off(struct super_block *sb, int type);
131 static void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
136 ext2_quota_off(sb, type); in ext2_quota_off_umount()
139 static inline void ext2_quota_off_umount(struct super_block *sb) in ext2_quota_off_umount() argument
144 static void ext2_put_super (struct super_block * sb) in ext2_put_super() argument
148 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_put_super()
150 ext2_quota_off_umount(sb); in ext2_put_super()
155 if (!sb_rdonly(sb)) { in ext2_put_super()
161 ext2_sync_super(sb, es, 1); in ext2_put_super()
172 sb->s_fs_info = NULL; in ext2_put_super()
180 static struct inode *ext2_alloc_inode(struct super_block *sb) in ext2_alloc_inode() argument
241 struct super_block *sb = root->d_sb; in ext2_show_options() local
242 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_show_options()
250 seq_printf(seq, ",sb=%lu", sbi->s_sb_block); in ext2_show_options()
251 if (test_opt(sb, MINIX_DF)) in ext2_show_options()
253 if (test_opt(sb, GRPID)) in ext2_show_options()
255 if (!test_opt(sb, GRPID) && (def_mount_opts & EXT2_DEFM_BSDGROUPS)) in ext2_show_options()
267 if (test_opt(sb, ERRORS_RO)) { in ext2_show_options()
275 if (test_opt(sb, ERRORS_CONT)) in ext2_show_options()
277 if (test_opt(sb, ERRORS_PANIC)) in ext2_show_options()
279 if (test_opt(sb, NO_UID32)) in ext2_show_options()
281 if (test_opt(sb, DEBUG)) in ext2_show_options()
283 if (test_opt(sb, OLDALLOC)) in ext2_show_options()
287 if (test_opt(sb, XATTR_USER)) in ext2_show_options()
289 if (!test_opt(sb, XATTR_USER) && in ext2_show_options()
296 if (test_opt(sb, POSIX_ACL)) in ext2_show_options()
298 if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT2_DEFM_ACL)) in ext2_show_options()
302 if (test_opt(sb, NOBH)) in ext2_show_options()
305 if (test_opt(sb, USRQUOTA)) in ext2_show_options()
308 if (test_opt(sb, GRPQUOTA)) in ext2_show_options()
311 if (test_opt(sb, XIP)) in ext2_show_options()
314 if (test_opt(sb, DAX)) in ext2_show_options()
317 if (!test_opt(sb, RESERVATION)) in ext2_show_options()
325 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off…
326 static ssize_t ext2_quota_write(struct super_block *sb, int type, const char *data, size_t len, lof…
327 static int ext2_quota_on(struct super_block *sb, int type, int format_id,
365 static struct inode *ext2_nfs_get_inode(struct super_block *sb, in ext2_nfs_get_inode() argument
370 if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO) in ext2_nfs_get_inode()
372 if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count)) in ext2_nfs_get_inode()
380 inode = ext2_iget(sb, ino); in ext2_nfs_get_inode()
391 static struct dentry *ext2_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext2_fh_to_dentry() argument
394 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext2_fh_to_dentry()
398 static struct dentry *ext2_fh_to_parent(struct super_block *sb, struct fid *fid, in ext2_fh_to_parent() argument
401 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext2_fh_to_parent()
416 if (!options || strncmp(options, "sb=", 3) != 0) in get_sb_block()
421 printk("EXT2-fs: Invalid sb specification: %s\n", in get_sb_block()
449 {Opt_sb, "sb=%u"},
473 static int parse_options(char *options, struct super_block *sb, in parse_options() argument
509 ext2_msg(sb, KERN_ERR, "Invalid uid value %d", option); in parse_options()
520 ext2_msg(sb, KERN_ERR, "Invalid gid value %d", option); in parse_options()
569 ext2_msg(sb, KERN_INFO, "(no)user_xattr options" in parse_options()
583 ext2_msg(sb, KERN_INFO, in parse_options()
588 ext2_msg(sb, KERN_INFO, "use dax instead of xip"); in parse_options()
593 ext2_msg(sb, KERN_WARNING, in parse_options()
597 ext2_msg(sb, KERN_INFO, "dax option not supported"); in parse_options()
614 ext2_msg(sb, KERN_INFO, in parse_options()
621 ext2_msg(sb, KERN_INFO, "reservations ON"); in parse_options()
625 ext2_msg(sb, KERN_INFO, "reservations OFF"); in parse_options()
636 static int ext2_setup_super (struct super_block * sb, in ext2_setup_super() argument
641 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_setup_super()
644 ext2_msg(sb, KERN_ERR, in ext2_setup_super()
652 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
656 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
662 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
669 ext2_msg(sb, KERN_WARNING, in ext2_setup_super()
675 if (test_opt (sb, DEBUG)) in ext2_setup_super()
676 ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, gc=%lu, " in ext2_setup_super()
678 EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize, in ext2_setup_super()
680 EXT2_BLOCKS_PER_GROUP(sb), in ext2_setup_super()
681 EXT2_INODES_PER_GROUP(sb), in ext2_setup_super()
686 static int ext2_check_descriptors(struct super_block *sb) in ext2_check_descriptors() argument
689 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_check_descriptors()
694 struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL); in ext2_check_descriptors()
695 ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i); in ext2_check_descriptors()
696 ext2_fsblk_t last_block = ext2_group_last_block_no(sb, i); in ext2_check_descriptors()
701 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
710 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
720 ext2_error (sb, "ext2_check_descriptors", in ext2_check_descriptors()
792 static unsigned long descriptor_loc(struct super_block *sb, in descriptor_loc() argument
796 struct ext2_sb_info *sbi = EXT2_SB(sb); in descriptor_loc()
801 if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) || in descriptor_loc()
806 return ext2_group_first_block_no(sb, bg) + ext2_bg_has_super(sb, bg); in descriptor_loc()
809 static int ext2_fill_super(struct super_block *sb, void *data, int silent) in ext2_fill_super() argument
811 struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); in ext2_fill_super()
839 sb->s_fs_info = sbi; in ext2_fill_super()
853 blocksize = sb_min_blocksize(sb, BLOCK_SIZE); in ext2_fill_super()
855 ext2_msg(sb, KERN_ERR, "error: unable to set blocksize"); in ext2_fill_super()
870 if (!(bh = sb_bread(sb, logic_sb_block))) { in ext2_fill_super()
871 ext2_msg(sb, KERN_ERR, "error: unable to read superblock"); in ext2_fill_super()
880 sb->s_magic = le16_to_cpu(es->s_magic); in ext2_fill_super()
882 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
915 if (!parse_options((char *) data, sb, &opts)) in ext2_fill_super()
922 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_fill_super()
923 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_fill_super()
924 sb->s_iflags |= SB_I_CGROUPWB; in ext2_fill_super()
927 (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
928 EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || in ext2_fill_super()
929 EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U))) in ext2_fill_super()
930 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
938 features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP); in ext2_fill_super()
940 ext2_msg(sb, KERN_ERR, "error: couldn't mount because of " in ext2_fill_super()
945 if (!sb_rdonly(sb) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ in ext2_fill_super()
946 ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " in ext2_fill_super()
954 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
961 if (test_opt(sb, DAX)) { in ext2_fill_super()
962 if (!bdev_dax_supported(sb->s_bdev, blocksize)) { in ext2_fill_super()
963 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
970 if (sb->s_blocksize != blocksize) { in ext2_fill_super()
973 if (!sb_set_blocksize(sb, blocksize)) { in ext2_fill_super()
974 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
981 bh = sb_bread(sb, logic_sb_block); in ext2_fill_super()
983 ext2_msg(sb, KERN_ERR, "error: couldn't read" in ext2_fill_super()
990 ext2_msg(sb, KERN_ERR, "error: magic mismatch"); in ext2_fill_super()
995 sb->s_maxbytes = ext2_max_size(sb->s_blocksize_bits); in ext2_fill_super()
996 sb->s_max_links = EXT2_LINK_MAX; in ext2_fill_super()
997 sb->s_time_min = S32_MIN; in ext2_fill_super()
998 sb->s_time_max = S32_MAX; in ext2_fill_super()
1009 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1019 sbi->s_inodes_per_block = sb->s_blocksize / EXT2_INODE_SIZE(sb); in ext2_fill_super()
1024 sbi->s_desc_per_block = sb->s_blocksize / in ext2_fill_super()
1029 ilog2 (EXT2_ADDR_PER_BLOCK(sb)); in ext2_fill_super()
1031 ilog2 (EXT2_DESC_PER_BLOCK(sb)); in ext2_fill_super()
1033 if (sb->s_magic != EXT2_SUPER_MAGIC) in ext2_fill_super()
1036 if (sb->s_blocksize != bh->b_size) { in ext2_fill_super()
1038 ext2_msg(sb, KERN_ERR, "error: unsupported blocksize"); in ext2_fill_super()
1043 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1045 le32_to_cpu(es->s_log_frag_size), sb->s_blocksize_bits); in ext2_fill_super()
1049 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1050 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1056 sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext2_fill_super()
1057 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1063 if (EXT2_BLOCKS_PER_GROUP(sb) == 0) in ext2_fill_super()
1067 / EXT2_BLOCKS_PER_GROUP(sb)) + 1; in ext2_fill_super()
1070 ext2_msg(sb, KERN_ERR, "error: invalid #inodes: %u vs computed %llu", in ext2_fill_super()
1075 db_count = (sbi->s_groups_count + EXT2_DESC_PER_BLOCK(sb) - 1) / in ext2_fill_super()
1076 EXT2_DESC_PER_BLOCK(sb); in ext2_fill_super()
1082 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1089 ext2_msg(sb, KERN_ERR, "error: not enough memory"); in ext2_fill_super()
1093 block = descriptor_loc(sb, logic_sb_block, i); in ext2_fill_super()
1094 sbi->s_group_desc[i] = sb_bread(sb, block); in ext2_fill_super()
1098 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1103 if (!ext2_check_descriptors (sb)) { in ext2_fill_super()
1104 ext2_msg(sb, KERN_ERR, "group descriptors corrupted"); in ext2_fill_super()
1124 ext2_rsv_window_add(sb, &sbi->s_rsv_window_head); in ext2_fill_super()
1127 ext2_count_free_blocks(sb), GFP_KERNEL); in ext2_fill_super()
1130 ext2_count_free_inodes(sb), GFP_KERNEL); in ext2_fill_super()
1134 ext2_count_dirs(sb), GFP_KERNEL); in ext2_fill_super()
1138 ext2_msg(sb, KERN_ERR, "error: insufficient memory"); in ext2_fill_super()
1146 ext2_msg(sb, KERN_ERR, "Failed to create ea_block_cache"); in ext2_fill_super()
1153 sb->s_op = &ext2_sops; in ext2_fill_super()
1154 sb->s_export_op = &ext2_export_ops; in ext2_fill_super()
1155 sb->s_xattr = ext2_xattr_handlers; in ext2_fill_super()
1158 sb->dq_op = &dquot_operations; in ext2_fill_super()
1159 sb->s_qcop = &ext2_quotactl_ops; in ext2_fill_super()
1160 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; in ext2_fill_super()
1163 root = ext2_iget(sb, EXT2_ROOT_INO); in ext2_fill_super()
1170 ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck"); in ext2_fill_super()
1174 sb->s_root = d_make_root(root); in ext2_fill_super()
1175 if (!sb->s_root) { in ext2_fill_super()
1176 ext2_msg(sb, KERN_ERR, "error: get root inode failed"); in ext2_fill_super()
1180 if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) in ext2_fill_super()
1181 ext2_msg(sb, KERN_WARNING, in ext2_fill_super()
1183 if (ext2_setup_super (sb, es, sb_rdonly(sb))) in ext2_fill_super()
1184 sb->s_flags |= SB_RDONLY; in ext2_fill_super()
1185 ext2_write_super(sb); in ext2_fill_super()
1190 ext2_msg(sb, KERN_ERR, in ext2_fill_super()
1192 sb->s_id); in ext2_fill_super()
1208 sb->s_fs_info = NULL; in ext2_fill_super()
1216 static void ext2_clear_super_error(struct super_block *sb) in ext2_clear_super_error() argument
1218 struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; in ext2_clear_super_error()
1229 ext2_msg(sb, KERN_ERR, in ext2_clear_super_error()
1236 void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es, in ext2_sync_super() argument
1239 ext2_clear_super_error(sb); in ext2_sync_super()
1240 spin_lock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1241 es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb)); in ext2_sync_super()
1242 es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb)); in ext2_sync_super()
1245 spin_unlock(&EXT2_SB(sb)->s_lock); in ext2_sync_super()
1246 mark_buffer_dirty(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1248 sync_dirty_buffer(EXT2_SB(sb)->s_sbh); in ext2_sync_super()
1261 static int ext2_sync_fs(struct super_block *sb, int wait) in ext2_sync_fs() argument
1263 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_sync_fs()
1264 struct ext2_super_block *es = EXT2_SB(sb)->s_es; in ext2_sync_fs()
1270 dquot_writeback_dquots(sb, -1); in ext2_sync_fs()
1278 ext2_sync_super(sb, es, wait); in ext2_sync_fs()
1282 static int ext2_freeze(struct super_block *sb) in ext2_freeze() argument
1284 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_freeze()
1291 if (atomic_long_read(&sb->s_remove_count)) { in ext2_freeze()
1292 ext2_sync_fs(sb, 1); in ext2_freeze()
1299 ext2_sync_super(sb, sbi->s_es, 1); in ext2_freeze()
1304 static int ext2_unfreeze(struct super_block *sb) in ext2_unfreeze() argument
1306 /* Just write sb to clear EXT2_VALID_FS flag */ in ext2_unfreeze()
1307 ext2_write_super(sb); in ext2_unfreeze()
1312 static void ext2_write_super(struct super_block *sb) in ext2_write_super() argument
1314 if (!sb_rdonly(sb)) in ext2_write_super()
1315 ext2_sync_fs(sb, 1); in ext2_write_super()
1318 static int ext2_remount (struct super_block * sb, int * flags, char * data) in ext2_remount() argument
1320 struct ext2_sb_info * sbi = EXT2_SB(sb); in ext2_remount()
1325 sync_filesystem(sb); in ext2_remount()
1333 if (!parse_options(data, sb, &new_opts)) in ext2_remount()
1339 ext2_msg(sb, KERN_WARNING, "warning: refusing change of " in ext2_remount()
1343 if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) in ext2_remount()
1358 err = dquot_suspend(sb, -1); in ext2_remount()
1362 ext2_sync_super(sb, es, 1); in ext2_remount()
1364 __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, in ext2_remount()
1368 ext2_msg(sb, KERN_WARNING, in ext2_remount()
1380 if (!ext2_setup_super (sb, es, 0)) in ext2_remount()
1381 sb->s_flags &= ~SB_RDONLY; in ext2_remount()
1384 ext2_write_super(sb); in ext2_remount()
1386 dquot_resume(sb, -1); in ext2_remount()
1394 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in ext2_remount()
1395 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in ext2_remount()
1403 struct super_block *sb = dentry->d_sb; in ext2_statfs() local
1404 struct ext2_sb_info *sbi = EXT2_SB(sb); in ext2_statfs()
1410 if (test_opt (sb, MINIX_DF)) in ext2_statfs()
1434 overhead += ext2_bg_has_super(sb, i) + in ext2_statfs()
1435 ext2_bg_num_gdb(sb, i); in ext2_statfs()
1449 buf->f_bsize = sb->s_blocksize; in ext2_statfs()
1451 buf->f_bfree = ext2_count_free_blocks(sb); in ext2_statfs()
1457 buf->f_ffree = ext2_count_free_inodes(sb); in ext2_statfs()
1479 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, in ext2_quota_read() argument
1482 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_read()
1483 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_read()
1485 int offset = off & (sb->s_blocksize - 1); in ext2_quota_read()
1498 tocopy = sb->s_blocksize - offset < toread ? in ext2_quota_read()
1499 sb->s_blocksize - offset : toread; in ext2_quota_read()
1502 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_read()
1509 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_read()
1524 static ssize_t ext2_quota_write(struct super_block *sb, int type, in ext2_quota_write() argument
1527 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_write()
1528 sector_t blk = off >> EXT2_BLOCK_SIZE_BITS(sb); in ext2_quota_write()
1530 int offset = off & (sb->s_blocksize - 1); in ext2_quota_write()
1537 tocopy = sb->s_blocksize - offset < towrite ? in ext2_quota_write()
1538 sb->s_blocksize - offset : towrite; in ext2_quota_write()
1541 tmp_bh.b_size = sb->s_blocksize; in ext2_quota_write()
1545 if (offset || tocopy != EXT2_BLOCK_SIZE(sb)) in ext2_quota_write()
1546 bh = sb_bread(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1548 bh = sb_getblk(sb, tmp_bh.b_blocknr); in ext2_quota_write()
1576 static int ext2_quota_on(struct super_block *sb, int type, int format_id, in ext2_quota_on() argument
1582 err = dquot_quota_on(sb, type, format_id, path); in ext2_quota_on()
1597 static int ext2_quota_off(struct super_block *sb, int type) in ext2_quota_off() argument
1599 struct inode *inode = sb_dqopt(sb)->files[type]; in ext2_quota_off()
1605 err = dquot_quota_off(sb, type); in ext2_quota_off()
1618 return dquot_quota_off(sb, type); in ext2_quota_off()