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bcachefs: Inline bch2_snapshot_is_ancestor() fast path

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-07-16 15:59:40 -04:00
parent 813e0cecd1
commit 93de9e92c3
2 changed files with 9 additions and 2 deletions
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2
fs/bcachefs/subvolume.c
View file

@ -25,7 +25,7 @@ static inline u32 get_ancestor_below(struct snapshot_table *t, u32 id, u32 ances
return s->parent;
}
bool bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
{
struct snapshot_table *t;
bool ret;

9
fs/bcachefs/subvolume.h
View file

@ -166,7 +166,14 @@ static inline u32 bch2_snapshot_sibling(struct bch_fs *c, u32 id)
return 0;
}
bool bch2_snapshot_is_ancestor(struct bch_fs *, u32, u32);
bool __bch2_snapshot_is_ancestor(struct bch_fs *, u32, u32);
static inline bool bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
{
return id == ancestor
? true
: __bch2_snapshot_is_ancestor(c, id, ancestor);
}
static inline bool bch2_snapshot_has_children(struct bch_fs *c, u32 id)
{