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[Qemu-devel] [PULL 20/41] sheepdog: implement .bdrv_get_allocated_file_s
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 20/41] sheepdog: implement .bdrv_get_allocated_file_size |
Date: |
Fri, 29 Nov 2013 17:45:35 +0100 |
From: Liu Yuan <address@hidden>
With this patch, qemu-img info sheepdog:image will show disk size for sheepdog
images.
Cc: Kevin Wolf <address@hidden>
Cc: Stefan Hajnoczi <address@hidden>
Cc: MORITA Kazutaka <address@hidden>
Signed-off-by: Liu Yuan <address@hidden>
Reviewed-by: MORITA Kazutaka <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/sheepdog.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index ef387de..252d7ad 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -2407,6 +2407,22 @@ sd_co_get_block_status(BlockDriverState *bs, int64_t
sector_num, int nb_sectors,
return ret;
}
+static int64_t sd_get_allocated_file_size(BlockDriverState *bs)
+{
+ BDRVSheepdogState *s = bs->opaque;
+ SheepdogInode *inode = &s->inode;
+ unsigned long i, last = DIV_ROUND_UP(inode->vdi_size, SD_DATA_OBJ_SIZE);
+ uint64_t size = 0;
+
+ for (i = 0; i < last; i++) {
+ if (inode->data_vdi_id[i] == 0) {
+ continue;
+ }
+ size += SD_DATA_OBJ_SIZE;
+ }
+ return size;
+}
+
static QEMUOptionParameter sd_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -2436,6 +2452,7 @@ static BlockDriver bdrv_sheepdog = {
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
+ .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
.bdrv_truncate = sd_truncate,
.bdrv_co_readv = sd_co_readv,
@@ -2465,6 +2482,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
+ .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
.bdrv_truncate = sd_truncate,
.bdrv_co_readv = sd_co_readv,
@@ -2494,6 +2512,7 @@ static BlockDriver bdrv_sheepdog_unix = {
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
+ .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
.bdrv_truncate = sd_truncate,
.bdrv_co_readv = sd_co_readv,
--
1.8.1.4
- [Qemu-devel] [PULL 10/41] block: honour BlockLimits in bdrv_co_discard, (continued)
- [Qemu-devel] [PULL 10/41] block: honour BlockLimits in bdrv_co_discard, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 11/41] iscsi: set limits in BlockDriverState, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 12/41] iscsi: simplify iscsi_co_discard, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 13/41] iscsi: add bdrv_co_write_zeroes, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 14/41] block: introduce bdrv_make_zero, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 15/41] block/get_block_status: fix BDRV_BLOCK_ZERO for unallocated blocks, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 16/41] qemu-img: add support for fully allocated images, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 17/41] qemu-img: conditionally zero out target on convert, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 18/41] util/error: Save errno from clobbering, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 19/41] Test coroutine execution order, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 20/41] sheepdog: implement .bdrv_get_allocated_file_size,
Kevin Wolf <=
- [Qemu-devel] [PULL 21/41] block/stream: Don't stream unbacked devices, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 22/41] block: per caller dirty bitmap, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 24/41] COW: Speed up writes, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 25/41] COW: Extend checking allocated bits to beyond one sector, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 26/41] MAINTAINERS: add sheepdog development mailing list, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 23/41] qapi: Change BlockDirtyInfo to list, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 27/41] qdict: Fix memory leak in qdict_do_flatten(), Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 28/41] qdict: Optimise qdict_do_flatten(), Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 29/41] sheepdog: refactor do_sd_create(), Kevin Wolf, 2013/11/29