From: Andrew Morton <akpm@osdl.org>

Might fix http://bugme.osdl.org/show_bug.cgi?id=4497

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/smbfs/dir.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

diff -puN fs/smbfs/dir.c~smbfs-readdir-vs-signal-fix fs/smbfs/dir.c
--- devel/fs/smbfs/dir.c~smbfs-readdir-vs-signal-fix	2005-10-25 15:55:42.000000000 -0700
+++ devel-akpm/fs/smbfs/dir.c	2005-10-25 15:57:46.000000000 -0700
@@ -209,6 +209,8 @@ init_cache:
 	ctl.valid  = 1;
 read_really:
 	result = server->ops->readdir(filp, dirent, filldir, &ctl);
+	if (result == -ERESTARTSYS && page)
+		ClearPageUptodate(page);
 	if (ctl.idx == -1)
 		goto invalid_cache;	/* retry */
 	ctl.head.end = ctl.fpos - 1;
@@ -217,7 +219,8 @@ finished:
 	if (page) {
 		cache->head = ctl.head;
 		kunmap(page);
-		SetPageUptodate(page);
+		if (result != -ERESTARTSYS)
+			SetPageUptodate(page);
 		unlock_page(page);
 		page_cache_release(page);
 	}
_