| commit | 82749dd4efcec8e90fa7769eec3dd0afa2e3396a | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <trond.myklebust@primarydata.com> | Mon Jul 17 09:30:13 2017 -0400 |
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | Tue Aug 15 11:54:46 2017 -0400 |
| tree | 0e8c3f768d8ab4e91944893624dcb73ef8e557e7 | |
| parent | 6d17d653c9f152e113043d00f3bcf00c0eb5f5a2 [diff] |
NFS: Reduce lock contention in nfs_page_find_head_request() Add a lockless check for whether or not the page might be carrying an existing writeback before we grab the inode->i_lock. Reported-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>