diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-12-22 22:39:50 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2021-12-25 17:37:12 -0500 |
| commit | 1f5b55e3e6e9771be40ac7042c782354bc2fead6 (patch) | |
| tree | 433832c783a477c0c862dba7bf7559fb17f6bd07 | |
| parent | 89a45c23c28f151523881f97e925568d47847e56 (diff) | |
bcachefs: Fix a null ptr deref in bch2_inode_delete_keys()
Similarly to bch2_btree_delete_range_trans(), bch2_inode_delete_keys()
may sometimes split compressed extents, and needs to pass in a disk
reservation.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
| -rw-r--r-- | fs/bcachefs/inode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c index 99b2a77ef9a8..ef6da53567b8 100644 --- a/fs/bcachefs/inode.c +++ b/fs/bcachefs/inode.c @@ -4,6 +4,7 @@ #include "btree_key_cache.h" #include "bkey_methods.h" #include "btree_update.h" +#include "buckets.h" #include "error.h" #include "extents.h" #include "extent_update.h" @@ -588,6 +589,8 @@ static int bch2_inode_delete_keys(struct btree_trans *trans, int ret = 0; while (!ret || ret == -EINTR) { + struct disk_reservation disk_res = + bch2_disk_reservation_init(trans->c, 0); struct btree_iter iter; struct bkey_s_c k; struct bkey_i delete; @@ -630,8 +633,9 @@ static int bch2_inode_delete_keys(struct btree_trans *trans, } ret = bch2_trans_update(trans, &iter, &delete, 0) ?: - bch2_trans_commit(trans, NULL, NULL, + bch2_trans_commit(trans, &disk_res, NULL, BTREE_INSERT_NOFAIL); + bch2_disk_reservation_put(trans->c, &disk_res); err: offset = iter.pos.offset; bch2_trans_iter_exit(trans, &iter); |