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PNFS fallback to MDS if no deviceid found

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commit b1029c9bc078a6f1515f55dd993b507dcc7e3440 upstream.

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"
Cc: stable@vger.kernel.org # v4.11+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Olga Kornievskaia 2019-05-07 13:41:49 -04:00 committed by Greg Kroah-Hartman
parent 052294e644
commit c913b77f10
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/filelayout/filelayout.c
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@ -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;