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flexfiles: enforce per-mirror stateid only for v4 DSes 

Since commit bb21ce0ad2 we always enforce per-mirror stateid.
However, this makes sense only for v4+ servers.

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Tigran Mkrtchyan 2018-11-26 18:35:14 +01:00 committed by Trond Myklebust
parent 4b78317679
commit 320f35b7bf
1 changed files with 4 additions and 2 deletions
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6
fs/nfs/flexfilelayout/flexfilelayout.c
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@ -1733,7 +1733,8 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (fh)
hdr->args.fh = fh;
if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
if (vers == 4 &&
!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
goto out_failed;
/*
@ -1798,7 +1799,8 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (fh)
hdr->args.fh = fh;
if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
if (vers == 4 &&
!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
goto out_failed;
/*