Trond Myklebust 9443fcc22a NFS: Fix up commit deadlocks ...

[ Upstream commit 133a48abf6 ]

If O_DIRECT bumps the commit_info rpcs_out field, then that could lead
to fsync() hangs. The fix is to ensure that O_DIRECT calls
nfs_commit_end().

Fixes: 723c921e7d ("sched/wait, fs/nfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-11-18 19:17:02 +01:00

30 KiB

Raw Blame History

View Raw