diff options
| author | David Sterba <dsterba@suse.com> | 2025-09-17 19:53:54 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2025-09-23 08:49:26 +0200 |
| commit | 9264d004a6c9788354b45553b9e4fe910e71b387 (patch) | |
| tree | c3df36b361ab8669e6d9063d5e632957150f886f /fs/btrfs/export.c | |
| parent | 4ca6f24a52c4e94bd09f70cf132d0a38db7996b0 (diff) | |
btrfs: add unlikely annotations to branches leading to EUCLEAN
The unlikely() annotation is a static prediction hint that compiler may
use to reorder code out of hot path. We use it elsewhere (namely
tree-checker.c) for error branches that almost never happen, where
EUCLEAN (a corruption) is one of them.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/export.c')
| -rw-r--r-- | fs/btrfs/export.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 7fc8a3200b40..d062ac521051 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -174,7 +174,7 @@ struct dentry *btrfs_get_parent(struct dentry *child) ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); if (ret < 0) goto fail; - if (ret == 0) { + if (unlikely(ret == 0)) { /* * Key with offset of -1 found, there would have to exist an * inode with such number or a root with such id. |