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pNFS: Don't send COMMITs to the DSes if the server invalidated our layout

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If the layout was invalidated, then assume we should requeue all the
pending writes for the DS in question.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2017-04-29 10:27:18 -04:00
parent 37f8aa16da
commit 722f0b8911
1 changed files with 7 additions and 0 deletions
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7
fs/nfs/pnfs_nfs.c
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@ -217,6 +217,13 @@ pnfs_generic_alloc_ds_commits(struct nfs_commit_info *cinfo,
for (i = 0; i < fl_cinfo->nbuckets; i++, bucket++) {
if (list_empty(&bucket->committing))
continue;
/*
* If the layout segment is invalid, then let
* pnfs_generic_retry_commit() clean up the bucket.
*/
if (!pnfs_is_valid_lseg(bucket->clseg) &&
!test_bit(NFS_LSEG_LAYOUTRETURN, &bucket->clseg->pls_flags))
continue;
data = nfs_commitdata_alloc(false);
if (!data)
break;