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pNFS: Don't keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE

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[ Upstream commit fe44fb23d6ccde4c914c44ef74ab8d9d9ba02bea ]

If the server tells us that a pNFS layout is not available for a
specific file, then we should not keep pounding it with further
layoutget requests.

Fixes: 183d9e7b11 ("pnfs: rework LAYOUTGET retry handling")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Trond Myklebust 2022-05-31 11:03:06 -04:00 committed by Greg Kroah-Hartman
parent e32fe87afc
commit 11c870c0b5
1 changed files with 6 additions and 0 deletions
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6
fs/nfs/pnfs.c
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@ -2111,6 +2111,12 @@ lookup_again:
case -ERECALLCONFLICT:
case -EAGAIN:
break;
case -ENODATA:
/* The server returned NFS4ERR_LAYOUTUNAVAILABLE */
pnfs_layout_set_fail_bit(
lo, pnfs_iomode_to_fail_bit(iomode));
lseg = NULL;
goto out_put_layout_hdr;
default:
if (!nfs_error_is_fatal(PTR_ERR(lseg))) {
pnfs_layout_clear_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));