Lines Matching refs:sb
79 static int ext4_validate_inode_bitmap(struct super_block *sb, in ext4_validate_inode_bitmap() argument
85 struct ext4_group_info *grp = ext4_get_group_info(sb, block_group); in ext4_validate_inode_bitmap()
86 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_validate_inode_bitmap()
93 ext4_lock_group(sb, block_group); in ext4_validate_inode_bitmap()
96 blk = ext4_inode_bitmap(sb, desc); in ext4_validate_inode_bitmap()
97 if (!ext4_inode_bitmap_csum_verify(sb, block_group, desc, bh, in ext4_validate_inode_bitmap()
98 EXT4_INODES_PER_GROUP(sb) / 8)) { in ext4_validate_inode_bitmap()
99 ext4_unlock_group(sb, block_group); in ext4_validate_inode_bitmap()
100 ext4_error(sb, "Corrupt inode bitmap - block_group = %u, " in ext4_validate_inode_bitmap()
102 grp = ext4_get_group_info(sb, block_group); in ext4_validate_inode_bitmap()
105 count = ext4_free_inodes_count(sb, desc); in ext4_validate_inode_bitmap()
114 ext4_unlock_group(sb, block_group); in ext4_validate_inode_bitmap()
125 ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) in ext4_read_inode_bitmap() argument
128 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_read_inode_bitmap()
133 desc = ext4_get_group_desc(sb, block_group, NULL); in ext4_read_inode_bitmap()
137 bitmap_blk = ext4_inode_bitmap(sb, desc); in ext4_read_inode_bitmap()
140 ext4_error(sb, "Invalid inode bitmap blk %llu in " in ext4_read_inode_bitmap()
144 bh = sb_getblk(sb, bitmap_blk); in ext4_read_inode_bitmap()
146 ext4_error(sb, "Cannot read inode bitmap - " in ext4_read_inode_bitmap()
160 ext4_lock_group(sb, block_group); in ext4_read_inode_bitmap()
161 if (ext4_has_group_desc_csum(sb) && in ext4_read_inode_bitmap()
164 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
166 ext4_error(sb, "Inode bitmap for bg 0 marked " in ext4_read_inode_bitmap()
171 memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8); in ext4_read_inode_bitmap()
172 ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), in ext4_read_inode_bitmap()
173 sb->s_blocksize * 8, bh->b_data); in ext4_read_inode_bitmap()
177 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
181 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
195 trace_ext4_load_inode_bitmap(sb, block_group); in ext4_read_inode_bitmap()
202 ext4_error(sb, "Cannot read inode bitmap - " in ext4_read_inode_bitmap()
209 err = ext4_validate_inode_bitmap(sb, desc, block_group, bh); in ext4_read_inode_bitmap()
236 struct super_block *sb = inode->i_sb; in ext4_free_inode() local
249 if (!sb) { in ext4_free_inode()
255 ext4_msg(sb, KERN_ERR, "%s:%d: inode #%lu: count=%d", in ext4_free_inode()
261 ext4_msg(sb, KERN_ERR, "%s:%d: inode #%lu: nlink=%d\n", in ext4_free_inode()
265 sbi = EXT4_SB(sb); in ext4_free_inode()
284 es = EXT4_SB(sb)->s_es; in ext4_free_inode()
285 if (ino < EXT4_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) { in ext4_free_inode()
286 ext4_error(sb, "reserved or nonexistent inode %lu", ino); in ext4_free_inode()
289 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); in ext4_free_inode()
290 bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); in ext4_free_inode()
291 bitmap_bh = ext4_read_inode_bitmap(sb, block_group); in ext4_free_inode()
293 grp = ext4_get_group_info(sb, block_group); in ext4_free_inode()
310 gdp = ext4_get_group_desc(sb, block_group, &bh2); in ext4_free_inode()
315 ext4_lock_group(sb, block_group); in ext4_free_inode()
318 ext4_unlock_group(sb, block_group); in ext4_free_inode()
322 count = ext4_free_inodes_count(sb, gdp) + 1; in ext4_free_inode()
323 ext4_free_inodes_set(sb, gdp, count); in ext4_free_inode()
325 count = ext4_used_dirs_count(sb, gdp) - 1; in ext4_free_inode()
326 ext4_used_dirs_set(sb, gdp, count); in ext4_free_inode()
329 ext4_inode_bitmap_csum_set(sb, block_group, gdp, bitmap_bh, in ext4_free_inode()
330 EXT4_INODES_PER_GROUP(sb) / 8); in ext4_free_inode()
331 ext4_group_desc_csum_set(sb, block_group, gdp); in ext4_free_inode()
332 ext4_unlock_group(sb, block_group); in ext4_free_inode()
353 ext4_error(sb, "bit already cleared for inode %lu", ino); in ext4_free_inode()
356 count = ext4_free_inodes_count(sb, gdp); in ext4_free_inode()
365 ext4_std_error(sb, fatal); in ext4_free_inode()
379 static void get_orlov_stats(struct super_block *sb, ext4_group_t g, in get_orlov_stats() argument
385 struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb), in get_orlov_stats()
393 desc = ext4_get_group_desc(sb, g, NULL); in get_orlov_stats()
395 stats->free_inodes = ext4_free_inodes_count(sb, desc); in get_orlov_stats()
396 stats->free_clusters = ext4_free_group_clusters(sb, desc); in get_orlov_stats()
397 stats->used_dirs = ext4_used_dirs_count(sb, desc); in get_orlov_stats()
426 static int find_group_orlov(struct super_block *sb, struct inode *parent, in find_group_orlov() argument
431 struct ext4_sb_info *sbi = EXT4_SB(sb); in find_group_orlov()
432 ext4_group_t real_ngroups = ext4_get_groups_count(sb); in find_group_orlov()
433 int inodes_per_group = EXT4_INODES_PER_GROUP(sb); in find_group_orlov()
461 ((parent == d_inode(sb->s_root)) || in find_group_orlov()
476 get_orlov_stats(sb, g, flex_size, &stats); in find_group_orlov()
508 desc = ext4_get_group_desc(sb, grp+i, NULL); in find_group_orlov()
509 if (desc && ext4_free_inodes_count(sb, desc)) { in find_group_orlov()
521 min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; in find_group_orlov()
535 get_orlov_stats(sb, grp, flex_size, &stats); in find_group_orlov()
552 desc = ext4_get_group_desc(sb, grp, NULL); in find_group_orlov()
554 grp_free = ext4_free_inodes_count(sb, desc); in find_group_orlov()
574 static int find_group_other(struct super_block *sb, struct inode *parent, in find_group_other() argument
578 ext4_group_t i, last, ngroups = ext4_get_groups_count(sb); in find_group_other()
580 int flex_size = ext4_flex_bg_size(EXT4_SB(sb)); in find_group_other()
598 desc = ext4_get_group_desc(sb, i, NULL); in find_group_other()
599 if (desc && ext4_free_inodes_count(sb, desc)) { in find_group_other()
617 return find_group_orlov(sb, parent, group, mode, NULL); in find_group_other()
624 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
625 if (desc && ext4_free_inodes_count(sb, desc) && in find_group_other()
626 ext4_free_group_clusters(sb, desc)) in find_group_other()
648 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
649 if (desc && ext4_free_inodes_count(sb, desc) && in find_group_other()
650 ext4_free_group_clusters(sb, desc)) in find_group_other()
662 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
663 if (desc && ext4_free_inodes_count(sb, desc)) in find_group_other()
679 static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino) in recently_deleted() argument
684 int inodes_per_block = EXT4_SB(sb)->s_inodes_per_block; in recently_deleted()
689 gdp = ext4_get_group_desc(sb, group, NULL); in recently_deleted()
693 bh = sb_find_get_block(sb, ext4_inode_table(sb, gdp) + in recently_deleted()
702 offset = (ino % inodes_per_block) * EXT4_INODE_SIZE(sb); in recently_deleted()
722 static int find_inode_bit(struct super_block *sb, ext4_group_t group, in find_inode_bit() argument
728 EXT4_INODES_PER_GROUP(sb), *ino); in find_inode_bit()
729 if (*ino >= EXT4_INODES_PER_GROUP(sb)) in find_inode_bit()
732 if ((EXT4_SB(sb)->s_journal == NULL) && in find_inode_bit()
733 recently_deleted(sb, group, *ino)) { in find_inode_bit()
735 if (*ino < EXT4_INODES_PER_GROUP(sb)) in find_inode_bit()
759 struct super_block *sb; in __ext4_new_inode() local
779 sb = dir->i_sb; in __ext4_new_inode()
780 sbi = EXT4_SB(sb); in __ext4_new_inode()
806 __ext4_xattr_set_credits(sb, NULL /* inode */, in __ext4_new_inode()
826 __ext4_xattr_set_credits(sb, NULL /* inode */, in __ext4_new_inode()
832 nblocks += __ext4_xattr_set_credits(sb, in __ext4_new_inode()
838 ngroups = ext4_get_groups_count(sb); in __ext4_new_inode()
840 inode = new_inode(sb); in __ext4_new_inode()
854 } else if (test_opt(sb, GRPID)) { in __ext4_new_inode()
861 if (ext4_has_feature_project(sb) && in __ext4_new_inode()
875 group = (goal - 1) / EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
876 ino = (goal - 1) % EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
882 ret2 = find_group_orlov(sb, dir, &group, mode, qstr); in __ext4_new_inode()
884 ret2 = find_group_other(sb, dir, &group, mode); in __ext4_new_inode()
900 gdp = ext4_get_group_desc(sb, group, &group_desc_bh); in __ext4_new_inode()
907 if (ext4_free_inodes_count(sb, gdp) == 0) in __ext4_new_inode()
910 grp = ext4_get_group_info(sb, group); in __ext4_new_inode()
916 inode_bitmap_bh = ext4_read_inode_bitmap(sb, group); in __ext4_new_inode()
925 ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); in __ext4_new_inode()
929 if (group == 0 && (ino + 1) < EXT4_FIRST_INO(sb)) { in __ext4_new_inode()
930 ext4_error(sb, "reserved inode found cleared - " in __ext4_new_inode()
942 ext4_std_error(sb, err); in __ext4_new_inode()
949 ext4_std_error(sb, err); in __ext4_new_inode()
952 ext4_lock_group(sb, group); in __ext4_new_inode()
958 ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); in __ext4_new_inode()
966 ext4_unlock_group(sb, group); in __ext4_new_inode()
971 if (ino < EXT4_INODES_PER_GROUP(sb)) in __ext4_new_inode()
984 ext4_std_error(sb, err); in __ext4_new_inode()
991 ext4_std_error(sb, err); in __ext4_new_inode()
996 if (ext4_has_group_desc_csum(sb) && in __ext4_new_inode()
1000 block_bitmap_bh = ext4_read_block_bitmap(sb, group); in __ext4_new_inode()
1009 ext4_std_error(sb, err); in __ext4_new_inode()
1017 ext4_lock_group(sb, group); in __ext4_new_inode()
1018 if (ext4_has_group_desc_csum(sb) && in __ext4_new_inode()
1021 ext4_free_group_clusters_set(sb, gdp, in __ext4_new_inode()
1022 ext4_free_clusters_after_init(sb, group, gdp)); in __ext4_new_inode()
1023 ext4_block_bitmap_csum_set(sb, group, gdp, in __ext4_new_inode()
1025 ext4_group_desc_csum_set(sb, group, gdp); in __ext4_new_inode()
1027 ext4_unlock_group(sb, group); in __ext4_new_inode()
1031 ext4_std_error(sb, err); in __ext4_new_inode()
1037 if (ext4_has_group_desc_csum(sb)) { in __ext4_new_inode()
1039 struct ext4_group_info *grp = ext4_get_group_info(sb, group); in __ext4_new_inode()
1042 ext4_lock_group(sb, group); /* while we modify the bg desc */ in __ext4_new_inode()
1043 free = EXT4_INODES_PER_GROUP(sb) - in __ext4_new_inode()
1044 ext4_itable_unused_count(sb, gdp); in __ext4_new_inode()
1055 ext4_itable_unused_set(sb, gdp, in __ext4_new_inode()
1056 (EXT4_INODES_PER_GROUP(sb) - ino)); in __ext4_new_inode()
1059 ext4_lock_group(sb, group); in __ext4_new_inode()
1062 ext4_free_inodes_set(sb, gdp, ext4_free_inodes_count(sb, gdp) - 1); in __ext4_new_inode()
1064 ext4_used_dirs_set(sb, gdp, ext4_used_dirs_count(sb, gdp) + 1); in __ext4_new_inode()
1072 if (ext4_has_group_desc_csum(sb)) { in __ext4_new_inode()
1073 ext4_inode_bitmap_csum_set(sb, group, gdp, inode_bitmap_bh, in __ext4_new_inode()
1074 EXT4_INODES_PER_GROUP(sb) / 8); in __ext4_new_inode()
1075 ext4_group_desc_csum_set(sb, group, gdp); in __ext4_new_inode()
1077 ext4_unlock_group(sb, group); in __ext4_new_inode()
1082 ext4_std_error(sb, err); in __ext4_new_inode()
1096 inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
1124 ext4_error(sb, "failed to insert inode %lu: doubly allocated?", in __ext4_new_inode()
1133 if (ext4_has_metadata_csum(sb)) { in __ext4_new_inode()
1146 ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize; in __ext4_new_inode()
1148 if (ext4_has_feature_inline_data(sb)) in __ext4_new_inode()
1176 if (ext4_has_feature_extents(sb)) { in __ext4_new_inode()
1191 ext4_std_error(sb, err); in __ext4_new_inode()
1214 struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino) in ext4_orphan_get() argument
1216 unsigned long max_ino = le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count); in ext4_orphan_get()
1223 if (ino < EXT4_FIRST_INO(sb) || ino > max_ino) in ext4_orphan_get()
1226 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); in ext4_orphan_get()
1227 bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); in ext4_orphan_get()
1228 bitmap_bh = ext4_read_inode_bitmap(sb, block_group); in ext4_orphan_get()
1230 ext4_error(sb, "inode bitmap error %ld for orphan %lu", in ext4_orphan_get()
1242 inode = ext4_iget(sb, ino); in ext4_orphan_get()
1245 ext4_error(sb, "couldn't read orphan inode %lu (err %d)", in ext4_orphan_get()
1266 ext4_error(sb, "bad orphan inode %lu", ino); in ext4_orphan_get()
1287 unsigned long ext4_count_free_inodes(struct super_block *sb) in ext4_count_free_inodes() argument
1291 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_count_free_inodes()
1297 es = EXT4_SB(sb)->s_es; in ext4_count_free_inodes()
1302 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_free_inodes()
1305 desc_count += ext4_free_inodes_count(sb, gdp); in ext4_count_free_inodes()
1307 bitmap_bh = ext4_read_inode_bitmap(sb, i); in ext4_count_free_inodes()
1314 EXT4_INODES_PER_GROUP(sb) / 8); in ext4_count_free_inodes()
1316 (unsigned long) i, ext4_free_inodes_count(sb, gdp), x); in ext4_count_free_inodes()
1327 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_free_inodes()
1330 desc_count += ext4_free_inodes_count(sb, gdp); in ext4_count_free_inodes()
1338 unsigned long ext4_count_dirs(struct super_block * sb) in ext4_count_dirs() argument
1341 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_count_dirs()
1344 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_dirs()
1347 count += ext4_used_dirs_count(sb, gdp); in ext4_count_dirs()
1360 int ext4_init_inode_table(struct super_block *sb, ext4_group_t group, in ext4_init_inode_table() argument
1363 struct ext4_group_info *grp = ext4_get_group_info(sb, group); in ext4_init_inode_table()
1364 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_inode_table()
1372 if (sb_rdonly(sb)) { in ext4_init_inode_table()
1377 gdp = ext4_get_group_desc(sb, group, &group_desc_bh); in ext4_init_inode_table()
1388 handle = ext4_journal_start_sb(sb, EXT4_HT_MISC, 1); in ext4_init_inode_table()
1401 used_blks = DIV_ROUND_UP((EXT4_INODES_PER_GROUP(sb) - in ext4_init_inode_table()
1402 ext4_itable_unused_count(sb, gdp)), in ext4_init_inode_table()
1406 ((group == 0) && ((EXT4_INODES_PER_GROUP(sb) - in ext4_init_inode_table()
1407 ext4_itable_unused_count(sb, gdp)) < in ext4_init_inode_table()
1408 EXT4_FIRST_INO(sb)))) { in ext4_init_inode_table()
1409 ext4_error(sb, "Something is wrong with group %u: " in ext4_init_inode_table()
1413 ext4_itable_unused_count(sb, gdp)); in ext4_init_inode_table()
1418 blk = ext4_inode_table(sb, gdp) + used_blks; in ext4_init_inode_table()
1437 ret = sb_issue_zeroout(sb, blk, num, GFP_NOFS); in ext4_init_inode_table()
1441 blkdev_issue_flush(sb->s_bdev, GFP_NOFS, NULL); in ext4_init_inode_table()
1444 ext4_lock_group(sb, group); in ext4_init_inode_table()
1446 ext4_group_desc_csum_set(sb, group, gdp); in ext4_init_inode_table()
1447 ext4_unlock_group(sb, group); in ext4_init_inode_table()