diff options
| -rw-r--r-- | fs/bcachefs/fs.c | 8 | ||||
| -rw-r--r-- | fs/bcachefs/fs.h | 7 | ||||
| -rw-r--r-- | fs/bcachefs/fsck.c | 18 |
3 files changed, 33 insertions, 0 deletions
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c index 94c392abef65..257f07656e5f 100644 --- a/fs/bcachefs/fs.c +++ b/fs/bcachefs/fs.c @@ -177,6 +177,14 @@ static unsigned bch2_inode_hash(subvol_inum inum) return jhash_3words(inum.subvol, inum.inum >> 32, inum.inum, JHASH_INITVAL); } +struct bch_inode_info *__bch2_inode_hash_find(struct bch_fs *c, subvol_inum inum) +{ + return to_bch_ei(ilookup5_nowait(c->vfs_sb, + bch2_inode_hash(inum), + bch2_iget5_test, + &inum)); +} + static struct bch_inode_info *bch2_inode_insert(struct bch_fs *c, struct bch_inode_info *inode) { subvol_inum inum = inode_inum(inode); diff --git a/fs/bcachefs/fs.h b/fs/bcachefs/fs.h index c3af7225ff69..990ec43e0365 100644 --- a/fs/bcachefs/fs.h +++ b/fs/bcachefs/fs.h @@ -56,6 +56,8 @@ static inline subvol_inum inode_inum(struct bch_inode_info *inode) }; } +struct bch_inode_info *__bch2_inode_hash_find(struct bch_fs *, subvol_inum); + /* * Set if we've gotten a btree error for this inode, and thus the vfs inode and * btree inode may be inconsistent: @@ -194,6 +196,11 @@ int bch2_vfs_init(void); #define bch2_inode_update_after_write(_trans, _inode, _inode_u, _fields) ({ do {} while (0); }) +static inline struct bch_inode_info *__bch2_inode_hash_find(struct bch_fs *c, subvol_inum inum) +{ + return NULL; +} + static inline void bch2_evict_subvolume_inodes(struct bch_fs *c, snapshot_id_list *s) {} static inline void bch2_vfs_exit(void) {} diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c index 83bd31b44aad..9b3470a97546 100644 --- a/fs/bcachefs/fsck.c +++ b/fs/bcachefs/fsck.c @@ -8,6 +8,7 @@ #include "darray.h" #include "dirent.h" #include "error.h" +#include "fs.h" #include "fs-common.h" #include "fsck.h" #include "inode.h" @@ -962,6 +963,22 @@ fsck_err: return ret; } +static bool bch2_inode_open(struct bch_fs *c, struct bpos p) +{ + subvol_inum inum = { + .subvol = snapshot_t(c, p.snapshot)->subvol, + .inum = p.offset, + }; + + /* snapshot tree corruption, can't safely delete */ + if (!inum.subvol) { + bch_err_ratelimited(c, "%s(): snapshot %u has no subvol", __func__, p.snapshot); + return true; + } + + return __bch2_inode_hash_find(c, inum) != NULL; +} + static int check_inode(struct btree_trans *trans, struct btree_iter *iter, struct bkey_s_c k, @@ -1040,6 +1057,7 @@ static int check_inode(struct btree_trans *trans, } if (u.bi_flags & BCH_INODE_unlinked && + !bch2_inode_open(c, k.k->p) && (!c->sb.clean || fsck_err(trans, inode_unlinked_but_clean, "filesystem marked clean, but inode %llu unlinked", |