Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f6a592e8abd2f2394623ce5427cbb4c265495974
Commit: f6a592e8abd2f2394623ce5427cbb4c265495974
Parent: 78bd8fbbcd66fc977baa40e7fd838a4461b0f727
Author: Chris Malley <[EMAIL PROTECTED]>
AuthorDate: Wed Sep 26 14:19:18 2007 +1000
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Sep 26 09:22:04 2007 -0700
lguest example launcher truncates block device file to 0 length on problems
The function should also use ftruncate64() rather than ftruncate() to
prevent
files over 4GB (not uncommon for a root filesystem) being zeroed.
Signed-off-by: Chris Malley <[EMAIL PROTECTED]>
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
Documentation/lguest/lguest.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index f791840..73c5f1f 100644
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -882,7 +882,7 @@ static u32 handle_block_output(int fd, const struct iovec
*iov,
* of the block file (possibly extending it). */
if (off + len > device_len) {
/* Trim it back to the correct length */
- ftruncate(dev->fd, device_len);
+ ftruncate64(dev->fd, device_len);
/* Die, bad Guest, die. */
errx(1, "Write past end %llu+%u", off, len);
}
-
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