# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1327682076 -3600
# Node ID 34cf64e8b3f099a556b670ca96e0f3f695557a11
# Parent 266a12304601226213a57e39cc11aa075acdfb58
xenpaging: make file_op largefile aware
lseek() takes an off_t, the used "int << shiftsize" does not
automatically
convert the int into a larger type. This leads to write errors with pagefiles
larger than 2G. Fix this by shifting an off_t instead of an int.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
diff -r 266a12304601 -r 34cf64e8b3f0 tools/xenpaging/file_ops.c
--- a/tools/xenpaging/file_ops.c
+++ b/tools/xenpaging/file_ops.c
@@ -26,12 +26,12 @@
static int file_op(int fd, void *page, int i,
ssize_t (*fn)(int, void *, size_t))
{
- off_t seek_ret;
+ off_t offset = i;
int total = 0;
int bytes;
- seek_ret = lseek(fd, i << PAGE_SHIFT, SEEK_SET);
- if ( seek_ret == (off_t)-1 )
+ offset = lseek(fd, offset << PAGE_SHIFT, SEEK_SET);
+ if ( offset == (off_t)-1 )
return -1;
while ( total < PAGE_SIZE )