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NFS: Don't reset pg_moreio in __nfs_pageio_add_request 

Once we've started sending unstable NFS writes, we do not want to
clear pg_moreio, or we may end up sending the very last request as
a stable write if the commit lists are still empty.

Do, however, reset pg_moreio in the case where we end up having to
recoalesce the write if an attempt to use pNFS failed.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2014-07-13 15:13:19 -04:00
parent aafe37504c
commit f563b89b18
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/pagelist.c
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@ -935,7 +935,6 @@ static int __nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
nfs_pageio_doio(desc);
if (desc->pg_error < 0)
return 0;
desc->pg_moreio = 0;
if (desc->pg_recoalesce)
return 0;
/* retry add_request for this subreq */
@ -982,6 +981,7 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)
desc->pg_count = 0;
desc->pg_base = 0;
desc->pg_recoalesce = 0;
desc->pg_moreio = 0;
while (!list_empty(&head)) {
struct nfs_page *req;