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bcachefs: fix an rcu usage bug

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2018-12-18 14:43:00 -05:00 committed by Kent Overstreet
parent a36d3685bb
commit 69d46f9031
1 changed files with 2 additions and 1 deletions
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3
fs/bcachefs/io.c
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@ -967,6 +967,7 @@ void bch2_write(struct closure *cl)
struct promote_op {
struct closure cl;
struct rcu_head rcu;
u64 start_time;
struct rhash_head hash;
@ -1020,7 +1021,7 @@ static void promote_free(struct bch_fs *c, struct promote_op *op)
bch_promote_params);
BUG_ON(ret);
percpu_ref_put(&c->writes);
kfree(op);
kfree_rcu(op, rcu);
}
static void promote_done(struct closure *cl)