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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-06-17 19:56:22 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-03 09:29:17 -0700
commita400ef50e78554c779742d45c6f7bfa4fa39d990 (patch)
treee40fbf402ddd1583b33afb9fc8fb1c7bade9181c
parent380db129455056b9edb8b8643023d5edbcb91595 (diff)
NFS: Ensure we set NFS_CONTEXT_RESEND_WRITES when requeuing writes
commit c70701131f7a8edea91fc49d11796d342cff7c62 upstream. 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. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/nfs/pnfs.c1
-rw-r--r--fs/nfs/write.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 219ee6a3f1b3..d47c188682b1 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -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);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index dfc19f1575a1..daf355642845 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -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);