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pNFS/flexfiles: Don't time out requests on hard mounts

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[ Upstream commit 7af46292da ]

If the mount is hard, we should ignore the 'io_maxretrans' module
parameter so that we always keep retrying.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Trond Myklebust
2019-08-23 08:37:50 -04:00
committed by Greg Kroah-Hartman
parent 7999b21e22
commit fa38f165c7
1 changed files with 9 additions and 2 deletions
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7
fs/nfs/flexfilelayout/flexfilelayout.c
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@@ -8,6 +8,7 @@
*/
#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include <linux/nfs_page.h>
#include <linux/module.h>
#include <linux/sched/mm.h>
@@ -928,6 +929,8 @@ retry:
pgm = &pgio->pg_mirrors[0];
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
if (NFS_SERVER(pgio->pg_inode)->flags &
(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
pgio->pg_maxretrans = io_maxretrans;
return;
out_nolseg:
@@ -936,6 +939,7 @@ out_nolseg:
out_mds:
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
pgio->pg_maxretrans = 0;
nfs_pageio_reset_read_mds(pgio);
}
@@ -996,12 +1000,15 @@ retry:
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].wsize;
}
if (NFS_SERVER(pgio->pg_inode)->flags &
(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
pgio->pg_maxretrans = io_maxretrans;
return;
out_mds:
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
pgio->pg_maxretrans = 0;
nfs_pageio_reset_write_mds(pgio);
}