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-rw-r--r--fs/fuse/inode.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index b676c72c62..f73865751c 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -933,6 +933,14 @@ void fuse_conn_init(struct fuse_conn *fc, struct fuse_mount *fm,
}
EXPORT_SYMBOL_GPL(fuse_conn_init);
+static void delayed_release(struct rcu_head *p)
+{
+ struct fuse_conn *fc = container_of(p, struct fuse_conn, rcu);
+
+ put_user_ns(fc->user_ns);
+ fc->release(fc);
+}
+
void fuse_conn_put(struct fuse_conn *fc)
{
if (refcount_dec_and_test(&fc->count)) {
@@ -944,13 +952,12 @@ void fuse_conn_put(struct fuse_conn *fc)
if (fiq->ops->release)
fiq->ops->release(fiq);
put_pid_ns(fc->pid_ns);
- put_user_ns(fc->user_ns);
bucket = rcu_dereference_protected(fc->curr_bucket, 1);
if (bucket) {
WARN_ON(atomic_read(&bucket->count) != 1);
kfree(bucket);
}
- fc->release(fc);
+ call_rcu(&fc->rcu, delayed_release);
}
}
EXPORT_SYMBOL_GPL(fuse_conn_put);
@@ -1369,7 +1376,7 @@ EXPORT_SYMBOL_GPL(fuse_send_init);
void fuse_free_conn(struct fuse_conn *fc)
{
WARN_ON(!list_empty(&fc->devices));
- kfree_rcu(fc, rcu);
+ kfree(fc);
}
EXPORT_SYMBOL_GPL(fuse_free_conn);
@@ -1905,7 +1912,7 @@ static void fuse_sb_destroy(struct super_block *sb)
void fuse_mount_destroy(struct fuse_mount *fm)
{
fuse_conn_put(fm->fc);
- kfree(fm);
+ kfree_rcu(fm, rcu);
}
EXPORT_SYMBOL(fuse_mount_destroy);