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* [PATCH 1/1] PNFS fallback to MDS if no deviceid found
@ 2019-05-07 17:41 Olga Kornievskaia
  0 siblings, 0 replies; 1+ messages in thread
From: Olga Kornievskaia @ 2019-05-07 17:41 UTC (permalink / raw)
  To: trond.myklebust, anna.schumaker; +Cc: linux-nfs

From: Olga Kornievskaia <kolga@netapp.com>

If we fail to find a good deviceid while trying to pnfs instead of
propogating an error back fallback to doing IO to the MDS. Currently,
code with fals the IO with EINVAL.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Fixes: 8d40b0f14846f ("NFS filelayout:call GETDEVICEINFO after pnfs_layout_process completes"
---
 fs/nfs/filelayout/filelayout.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 61f46facb39c..b3e8ba3bd654 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -904,7 +904,7 @@ fl_pnfs_update_layout(struct inode *ino,
 	status = filelayout_check_deviceid(lo, fl, gfp_flags);
 	if (status) {
 		pnfs_put_lseg(lseg);
-		lseg = ERR_PTR(status);
+		lseg = NULL;
 	}
 out:
 	return lseg;
-- 
2.18.1


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2019-05-07 17:41 [PATCH 1/1] PNFS fallback to MDS if no deviceid found Olga Kornievskaia

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