4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/nfs/pnfs.c | 1 +
fs/nfs/write.c | 1 +
2 files changed, 2 insertions(+)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1821,6 +1821,7 @@ int pnfs_write_done_resend_to_mds(struct
/* 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);
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1289,6 +1289,7 @@ static void nfs_initiate_write(struct nf
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);
--
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