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authorJeff Layton <jlayton@kernel.org>2022-06-07 01:31:42 +0200
committerIlya Dryomov <idryomov@gmail.com>2022-06-29 18:02:57 +0200
commit8692969e9164c15474b356b9898e5b9b21a85643 (patch)
treea70d87c0da14e3f29c55961dc7c6840b52b5b277 /fs
parentLinux 5.19-rc4 (diff)
downloadlinux-8692969e9164c15474b356b9898e5b9b21a85643.tar.xz
linux-8692969e9164c15474b356b9898e5b9b21a85643.zip
ceph: wait on async create before checking caps for syncfs
Currently, we'll call ceph_check_caps, but if we're still waiting on the reply, we'll end up spinning around on the same inode in flush_dirty_session_caps. Wait for the async create reply before flushing caps. Cc: stable@vger.kernel.org URL: https://tracker.ceph.com/issues/55823 Fixes: fbed7045f552 ("ceph: wait for async create reply before sending any cap messages") Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Xiubo Li <xiubli@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/caps.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 38c930384d41..ac8fd5e7f540 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4377,6 +4377,7 @@ static void flush_dirty_session_caps(struct ceph_mds_session *s)
ihold(inode);
dout("flush_dirty_caps %llx.%llx\n", ceph_vinop(inode));
spin_unlock(&mdsc->cap_dirty_lock);
+ ceph_wait_on_async_create(inode);
ceph_check_caps(ci, CHECK_CAPS_FLUSH, NULL);
iput(inode);
spin_lock(&mdsc->cap_dirty_lock);