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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-07-21 04:07:21 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:09:09 +0300 |
| commit | 4909fe50b31ad919d998329002d707dd097094ff (patch) | |
| tree | d16c748034ccb454f2f6d6a01bc4f8f4f343173a /fs/bcachefs/xattr.c | |
| parent | 5f87f3c116f67fe22ba8a9f461830480a716fe9b (diff) | |
| download | linux-4909fe50b31ad919d998329002d707dd097094ff.tar.xz | |
bcachefs: Handle lock restarts in bch2_xattr_get()
Snapshots add another btree lookup, thus we need to handle lock
restarts.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/xattr.c')
| -rw-r--r-- | fs/bcachefs/xattr.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/bcachefs/xattr.c b/fs/bcachefs/xattr.c index 1993bfcee788..d7160e8cdc07 100644 --- a/fs/bcachefs/xattr.c +++ b/fs/bcachefs/xattr.c @@ -118,18 +118,15 @@ void bch2_xattr_to_text(struct printbuf *out, struct bch_fs *c, le16_to_cpu(xattr.v->x_val_len)); } -int bch2_xattr_get(struct bch_fs *c, struct bch_inode_info *inode, - const char *name, void *buffer, size_t size, int type) +static int bch2_xattr_get_trans(struct btree_trans *trans, struct bch_inode_info *inode, + const char *name, void *buffer, size_t size, int type) { - struct bch_hash_info hash = bch2_hash_info_init(c, &inode->ei_inode); - struct btree_trans trans; + struct bch_hash_info hash = bch2_hash_info_init(trans->c, &inode->ei_inode); struct btree_iter *iter; struct bkey_s_c_xattr xattr; int ret; - bch2_trans_init(&trans, c, 0, 0); - - iter = bch2_hash_lookup(&trans, bch2_xattr_hash_desc, &hash, + iter = bch2_hash_lookup(trans, bch2_xattr_hash_desc, &hash, inode->v.i_ino, &X_SEARCH(type, name, strlen(name)), 0); @@ -145,14 +142,18 @@ int bch2_xattr_get(struct bch_fs *c, struct bch_inode_info *inode, else memcpy(buffer, xattr_val(xattr.v), ret); } - bch2_trans_iter_put(&trans, iter); + bch2_trans_iter_put(trans, iter); err: - bch2_trans_exit(&trans); - - BUG_ON(ret == -EINTR); return ret == -ENOENT ? -ENODATA : ret; } +int bch2_xattr_get(struct bch_fs *c, struct bch_inode_info *inode, + const char *name, void *buffer, size_t size, int type) +{ + return bch2_trans_do(c, NULL, NULL, 0, + bch2_xattr_get_trans(&trans, inode, name, buffer, size, type)); +} + int bch2_xattr_set(struct btree_trans *trans, u64 inum, const struct bch_hash_info *hash_info, const char *name, const void *value, size_t size, |