NFSv4.1/pnfs: Don't ask for a read layout for an empty file.



Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 4a1e2feb

fs/nfs/pnfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1494,6 +1494,9 @@ pnfs_update_layout(struct inode *ino,
		if (!pnfs_enabled_sb(NFS_SERVER(ino)))
		goto out;

		if (iomode == IOMODE_READ && i_size_read(ino) == 0)
		goto out;

		if (pnfs_within_mdsthreshold(ctx, ino, iomode))
		goto out;