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bcachefs: snapshots: Use kvfree_rcu_mightsleep()

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kvfree_rcu() was renamed - not removed.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-09-20 01:20:40 -04:00
parent 97ecc23632
commit d04fdf5c10
1 changed files with 2 additions and 22 deletions
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24
fs/bcachefs/snapshot.c
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@ -143,20 +143,6 @@ bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
return ret;
}
struct snapshot_t_free_rcu {
struct rcu_head rcu;
struct snapshot_table *t;
};
static void snapshot_t_free_rcu(struct rcu_head *rcu)
{
struct snapshot_t_free_rcu *free_rcu =
container_of(rcu, struct snapshot_t_free_rcu, rcu);
kvfree(free_rcu->t);
kfree(free_rcu);
}
static noinline struct snapshot_t *__snapshot_t_mut(struct bch_fs *c, u32 id)
{
size_t idx = U32_MAX - id;
@ -177,13 +163,7 @@ static noinline struct snapshot_t *__snapshot_t_mut(struct bch_fs *c, u32 id)
rcu_assign_pointer(c->snapshots, new);
c->snapshot_table_size = new_size;
if (old) {
struct snapshot_t_free_rcu *rcu =
kmalloc(sizeof(*rcu), GFP_KERNEL|__GFP_NOFAIL);
rcu->t = old;
call_rcu(&rcu->rcu, snapshot_t_free_rcu);
}
kvfree_rcu_mightsleep(old);
return &rcu_dereference_protected(c->snapshots, true)->s[idx];
}
@ -1638,7 +1618,7 @@ int bch2_propagate_key_to_snapshot_leaves(struct btree_trans *trans,
struct bch_fs *c = trans->c;
struct bkey_buf sk;
u32 restart_count = trans->restart_count;
int ret;
int ret = 0;
bch2_bkey_buf_init(&sk);
bch2_bkey_buf_reassemble(&sk, c, k);