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nfs/filelayout: set layoutcommit depending on write verifier
Following http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751 Don't set layoutcommit for commit_through_mds case. For FILE_SYNC writes, don't set layoutcommit. For DATA_SYNC wirtes, set layout commit right after wirtes done. For UNSTABLE writes, set layout commit when commit done. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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1 changed files with 4 additions and 1 deletions
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@ -265,7 +265,7 @@ filelayout_set_layoutcommit(struct nfs_pgio_header *hdr)
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{
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if (FILELAYOUT_LSEG(hdr->lseg)->commit_through_mds ||
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hdr->res.verf->committed == NFS_FILE_SYNC)
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hdr->res.verf->committed != NFS_DATA_SYNC)
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return;
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pnfs_set_layoutcommit(hdr);
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@ -403,6 +403,9 @@ static int filelayout_commit_done_cb(struct rpc_task *task,
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return -EAGAIN;
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}
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if (data->verf.committed == NFS_UNSTABLE)
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pnfs_commit_set_layoutcommit(data);
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return 0;
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}
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