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[Qemu-devel] [PULL v2 37/37] block: Round up total_sectors
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL v2 37/37] block: Round up total_sectors |
Date: |
Fri, 8 Nov 2013 11:12:31 +0100 |
From: Fam Zheng <address@hidden>
Since b94a2610, bdrv_getlength() is omitted when probing image. VMDK
monolithicFlat is broken by that because a file < 512 bytes can't be
read with its total_sectors truncated to 0. This patch round up the size
to BDRV_SECTOR_SIZE, when a image size is not sector aligned.
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Benoit Canet <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 0e96a22..6d5c804 100644
--- a/block.c
+++ b/block.c
@@ -640,7 +640,7 @@ static int refresh_total_sectors(BlockDriverState *bs,
int64_t hint)
if (length < 0) {
return length;
}
- hint = length >> BDRV_SECTOR_BITS;
+ hint = DIV_ROUND_UP(length, BDRV_SECTOR_SIZE);
}
bs->total_sectors = hint;
--
1.8.3.1
- [Qemu-devel] [PULL v2 25/37] block: vhdx - log parsing, replay, and flush support, (continued)
- [Qemu-devel] [PULL v2 25/37] block: vhdx - log parsing, replay, and flush support, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 27/37] block: vhdx - add log write support, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 02/37] qemu-iotests: Filter out actual image size in 067, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 29/37] block: vhdx - remove BAT file offset bit shifting, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 30/37] block: vhdx - move more endian translations to vhdx-endian.c, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 03/37] block/raw-posix: fix FreeBSD compilation, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 32/37] block: vhdx - fix comment typos in header, fix incorrect struct fields, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 07/37] block: qemu-iotests, add quotes to $TEST_IMG usage in 019, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 08/37] block: qemu-iotests, removes duplicate double quotes in 039, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 33/37] block: vhdx - add .bdrv_create() support, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 37/37] block: Round up total_sectors,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL v2 10/37] block: qemu-iotests, add quotes to $TEST_IMG usage in 061, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 36/37] block: vhdx qemu-iotest - log replay of data sector, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 11/37] blockdev: fix drive_init() opts and bs_opts leaks, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 15/37] qdev-monitor-test: add device_add leak test cases, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 21/37] block: vhdx - log support struct and defines, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 22/37] block: vhdx - break endian translation functions out, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 26/37] block: vhdx - add region overlap detection for image files, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 28/37] block: vhdx write support, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 31/37] block: vhdx - break out code operations to functions, Stefan Hajnoczi, 2013/11/08
- [Qemu-devel] [PULL v2 35/37] block: qemu-iotests for vhdx, add write test support, Stefan Hajnoczi, 2013/11/08