* [PATCH] pNFS/flexfiles: Don't time out requests on hard mounts
@ 2019-08-23 17:18 Trond Myklebust
0 siblings, 0 replies; only message in thread
From: Trond Myklebust @ 2019-08-23 17:18 UTC (permalink / raw)
To: linux-nfs
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>
---
fs/nfs/flexfilelayout/flexfilelayout.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 2c7e1eca1ed7..5657b7f2611f 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -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>
@@ -928,7 +929,9 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
pgm = &pgio->pg_mirrors[0];
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
- pgio->pg_maxretrans = io_maxretrans;
+ if (NFS_SERVER(pgio->pg_inode)->flags &
+ (NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
+ pgio->pg_maxretrans = io_maxretrans;
return;
out_nolseg:
if (pgio->pg_error < 0)
@@ -940,6 +943,7 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
pgio->pg_lseg);
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
+ pgio->pg_maxretrans = 0;
nfs_pageio_reset_read_mds(pgio);
}
@@ -1000,7 +1004,9 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,
pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].wsize;
}
- pgio->pg_maxretrans = io_maxretrans;
+ if (NFS_SERVER(pgio->pg_inode)->flags &
+ (NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
+ pgio->pg_maxretrans = io_maxretrans;
return;
out_mds:
@@ -1010,6 +1016,7 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,
pgio->pg_lseg);
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
+ pgio->pg_maxretrans = 0;
nfs_pageio_reset_write_mds(pgio);
}
--
2.21.0
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2019-08-23 17:18 [PATCH] pNFS/flexfiles: Don't time out requests on hard mounts Trond Myklebust
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