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author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-06-20 19:35:37 -0400 |
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committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-07-13 15:58:05 -0400 |
commit | 919e3bd9a87593520a2c5dfda27bd3e6599852ed (patch) | |
tree | 94bbb463d528d3ecf32967d067a2781b776709bc /drivers/base | |
parent | b5973a8c1ccf375c9ab9e2428e1185e3f799af06 (diff) |
NFS: Ensure we commit after writeback is complete
If the page cache is being flushed, then we want to ensure that we
do start a commit once the pages are done being flushed.
If we just wait until all I/O is done to that file, we can end up
livelocking until the balance_dirty_pages() mechanism puts its
foot down and forces I/O to stop.
So instead we do more or less the same thing that O_DIRECT does,
and set up a counter to tell us when the flush is done,
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'drivers/base')
0 files changed, 0 insertions, 0 deletions