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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 13:30:42 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 13:30:42 -0500 |
| commit | b0ac1bd2bbfd5e500432714e55a791c4d394047f (patch) | |
| tree | 47d3df28fd2355a110891df0b6139f73796e8fa0 /fs/nfs/write.c | |
| parent | NFSv4.1/pnfs: Fixup an lo->plh_block_lgets imbalance in layoutreturn (diff) | |
| download | linux-dev-b0ac1bd2bbfd5e500432714e55a791c4d394047f.tar.xz linux-dev-b0ac1bd2bbfd5e500432714e55a791c4d394047f.zip | |
NFS: Background flush should not be low priority
Background flush is needed in order to satisfy the global page limits.
Don't subvert by reducing the priority.
This should also address a write starvation issue that was reported by
Neil Brown.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 7b9316406930..7a4fe7d82e65 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -247,8 +247,6 @@ static int wb_priority(struct writeback_control *wbc) return FLUSH_HIGHPRI | FLUSH_STABLE; if (wbc->sync_mode == WB_SYNC_ALL) ret = FLUSH_COND_STABLE; - if (wbc->for_kupdate || wbc->for_background) - ret |= FLUSH_LOWPRI; return ret; } |