Commit 126966dd authored by Trond Myklebust's avatar Trond Myklebust Committed by Anna Schumaker
Browse files

pNFS/files: Fall back to I/O through the MDS on non-fatal layout errors 



Only report the error when the server is returning a fatal error, such
as ESTALE, EIO, etc...

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent c6fd3511

fs/nfs/filelayout/filelayout.c

+6 −1
Original line number Diff line number Diff line
@@ -839,7 +839,12 @@ fl_pnfs_update_layout(struct inode *ino, 


	lseg = pnfs_update_layout(ino, ctx, pos, count, iomode, strict_iomode,

				  gfp_flags);

	if (IS_ERR_OR_NULL(lseg))

	if (IS_ERR(lseg)) {

		/* Fall back to MDS on recoverable errors */

		if (!nfs_error_is_fatal_on_server(PTR_ERR(lseg)))

			lseg = NULL;

		goto out;

	} else if (!lseg)

		goto out;



	lo = NFS_I(ino)->layout;