p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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>
This commit is contained in:
Trond Myklebust 2015-12-28 13:30:42 -05:00
parent 1a093ceb05
commit b0ac1bd2bb
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/nfs/write.c
View File

@ -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;
}