diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-02-06 23:51:23 -0500 |
---|---|---|
committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-03-13 21:22:24 -0400 |
commit | e539ebb8674c74ab26d707965bcca2fe3fc17b43 (patch) | |
tree | 9f44c19e33eb3d0445eea817f47bfb7cc6577e58 /fs/bcachefs/fsck.c | |
parent | 0b498a5a3960e8a9a3411c12fad77ef769ed3c1e (diff) | |
download | linux-stable-e539ebb8674c74ab26d707965bcca2fe3fc17b43.tar.gz linux-stable-e539ebb8674c74ab26d707965bcca2fe3fc17b43.tar.bz2 linux-stable-e539ebb8674c74ab26d707965bcca2fe3fc17b43.zip |
bcachefs: simplify check_dirent_inode_dirent()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/fsck.c')
-rw-r--r-- | fs/bcachefs/fsck.c | 114 |
1 files changed, 56 insertions, 58 deletions
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c index cb20a3d3f44a..fa96f63492d1 100644 --- a/fs/bcachefs/fsck.c +++ b/fs/bcachefs/fsck.c @@ -1570,77 +1570,75 @@ static int check_dirent_inode_dirent(struct btree_trans *trans, u32 target_snapshot) { struct bch_fs *c = trans->c; - struct btree_iter bp_iter = { NULL }; struct printbuf buf = PRINTBUF; int ret = 0; + if (inode_points_to_dirent(target, d)) + return 0; + if (!target->bi_dir && !target->bi_dir_offset) { target->bi_dir = d.k->p.inode; target->bi_dir_offset = d.k->p.offset; - - ret = __bch2_fsck_write_inode(trans, target, target_snapshot); - if (ret) - goto err; + return __bch2_fsck_write_inode(trans, target, target_snapshot); } - if (!inode_points_to_dirent(target, d)) { - struct bkey_s_c_dirent bp_dirent = dirent_get_by_pos(trans, &bp_iter, - SPOS(target->bi_dir, target->bi_dir_offset, target_snapshot)); - ret = bkey_err(bp_dirent); - if (ret && !bch2_err_matches(ret, ENOENT)) - goto err; - - bool backpointer_exists = !ret; - ret = 0; + struct btree_iter bp_iter = { NULL }; + struct bkey_s_c_dirent bp_dirent = dirent_get_by_pos(trans, &bp_iter, + SPOS(target->bi_dir, target->bi_dir_offset, target_snapshot)); + ret = bkey_err(bp_dirent); + if (ret && !bch2_err_matches(ret, ENOENT)) + goto err; - bch2_bkey_val_to_text(&buf, c, d.s_c); - prt_newline(&buf); - if (backpointer_exists) - bch2_bkey_val_to_text(&buf, c, bp_dirent.s_c); + bool backpointer_exists = !ret; + ret = 0; - if (fsck_err_on(S_ISDIR(target->bi_mode) && backpointer_exists, - c, inode_dir_multiple_links, - "directory %llu:%u with multiple links\n%s", - target->bi_inum, target_snapshot, buf.buf)) { - ret = __remove_dirent(trans, d.k->p); - goto out; - } + if (fsck_err_on(!backpointer_exists, + c, inode_wrong_backpointer, + "inode %llu:%u has wrong backpointer:\n" + "got %llu:%llu\n" + "should be %llu:%llu", + target->bi_inum, target_snapshot, + target->bi_dir, + target->bi_dir_offset, + d.k->p.inode, + d.k->p.offset)) { + target->bi_dir = d.k->p.inode; + target->bi_dir_offset = d.k->p.offset; + ret = __bch2_fsck_write_inode(trans, target, target_snapshot); + goto out; + } - /* - * hardlinked file with nlink 0: - * We're just adjusting nlink here so check_nlinks() will pick - * it up, it ignores inodes with nlink 0 - */ - if (fsck_err_on(backpointer_exists && !target->bi_nlink, - c, inode_multiple_links_but_nlink_0, - "inode %llu:%u type %s has multiple links but i_nlink 0\n%s", - target->bi_inum, target_snapshot, bch2_d_types[d.v->d_type], buf.buf)) { - target->bi_nlink++; - target->bi_flags &= ~BCH_INODE_unlinked; - - ret = __bch2_fsck_write_inode(trans, target, target_snapshot); - if (ret) - goto err; - } + bch2_bkey_val_to_text(&buf, c, d.s_c); + prt_newline(&buf); + if (backpointer_exists) + bch2_bkey_val_to_text(&buf, c, bp_dirent.s_c); + + if (fsck_err_on(backpointer_exists && + (S_ISDIR(target->bi_mode) || + target->bi_subvol), + c, inode_dir_multiple_links, + "%s %llu:%u with multiple links\n%s", + S_ISDIR(target->bi_mode) ? "directory" : "subvolume", + target->bi_inum, target_snapshot, buf.buf)) { + ret = __remove_dirent(trans, d.k->p); + goto out; + } - if (fsck_err_on(!backpointer_exists, - c, inode_wrong_backpointer, - "inode %llu:%u has wrong backpointer:\n" - "got %llu:%llu\n" - "should be %llu:%llu", - target->bi_inum, target_snapshot, - target->bi_dir, - target->bi_dir_offset, - d.k->p.inode, - d.k->p.offset)) { - target->bi_dir = d.k->p.inode; - target->bi_dir_offset = d.k->p.offset; - - ret = __bch2_fsck_write_inode(trans, target, target_snapshot); - if (ret) - goto err; - } + /* + * hardlinked file with nlink 0: + * We're just adjusting nlink here so check_nlinks() will pick + * it up, it ignores inodes with nlink 0 + */ + if (fsck_err_on(backpointer_exists && !target->bi_nlink, + c, inode_multiple_links_but_nlink_0, + "inode %llu:%u type %s has multiple links but i_nlink 0\n%s", + target->bi_inum, target_snapshot, bch2_d_types[d.v->d_type], buf.buf)) { + target->bi_nlink++; + target->bi_flags &= ~BCH_INODE_unlinked; + ret = __bch2_fsck_write_inode(trans, target, target_snapshot); + if (ret) + goto err; } out: err: |