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NFS: Ensure we set NFS_CONTEXT_RESEND_WRITES when requeuing writes

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If a write attempt fails, and the write is queued up for resending to
the server, as opposed to being dropped, then we need to set the
appropriate flag so that nfs_file_fsync() does the right thing.

Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-06-17 19:56:22 -04:00
parent 1ca018d28d
commit c70701131f
2 changed files with 2 additions and 0 deletions
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1
fs/nfs/pnfs.c
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@ -1821,6 +1821,7 @@ int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *hdr)
/* Resend all requests through the MDS */
nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true,
hdr->completion_ops);
set_bit(NFS_CONTEXT_RESEND_WRITES, &hdr->args.context->flags);
return nfs_pageio_resend(&pgio, hdr);
}
EXPORT_SYMBOL_GPL(pnfs_write_done_resend_to_mds);

1
fs/nfs/write.c
View File

@ -1289,6 +1289,7 @@ static void nfs_initiate_write(struct nfs_pgio_header *hdr,
static void nfs_redirty_request(struct nfs_page *req)
{
nfs_mark_request_dirty(req);
set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
nfs_unlock_request(req);
nfs_end_page_writeback(req);
nfs_release_request(req);