motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 00:33:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

qapi: query-blockstat: add driver specific file-posix stats

Browse source 
A block driver can provide a callback to report driver-specific
statistics.

file-posix driver now reports discard statistics

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20190923121737.83281-10-anton.nefedov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Anton Nefedov 2019-09-23 15:17:37 +03:00 • committed by Max Reitz
parent 1c45036636
commit d924559953
6 changed files with 86 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

32
block/file-posix.c
View file

@ -2753,6 +2753,36 @@ static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
return 0;
}
static BlockStatsSpecificFile get_blockstats_specific_file(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
return (BlockStatsSpecificFile) {
.discard_nb_ok = s->stats.discard_nb_ok,
.discard_nb_failed = s->stats.discard_nb_failed,
.discard_bytes_ok = s->stats.discard_bytes_ok,
};
}
static BlockStatsSpecific *raw_get_specific_stats(BlockDriverState *bs)
{
BlockStatsSpecific *stats = g_new(BlockStatsSpecific, 1);
stats->driver = BLOCKDEV_DRIVER_FILE;
stats->u.file = get_blockstats_specific_file(bs);
return stats;
}
static BlockStatsSpecific *hdev_get_specific_stats(BlockDriverState *bs)
{
BlockStatsSpecific *stats = g_new(BlockStatsSpecific, 1);
stats->driver = BLOCKDEV_DRIVER_HOST_DEVICE;
stats->u.host_device = get_blockstats_specific_file(bs);
return stats;
}
static QemuOptsList raw_create_opts = {
.name = "raw-create-opts",
.head = QTAILQ_HEAD_INITIALIZER(raw_create_opts.head),
@ -2960,6 +2990,7 @@ BlockDriver bdrv_file = {
.bdrv_get_info = raw_get_info,
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
.bdrv_get_specific_stats = raw_get_specific_stats,
.bdrv_check_perm = raw_check_perm,
.bdrv_set_perm = raw_set_perm,
.bdrv_abort_perm_update = raw_abort_perm_update,
@ -3438,6 +3469,7 @@ static BlockDriver bdrv_host_device = {
.bdrv_get_info = raw_get_info,
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
.bdrv_get_specific_stats = hdev_get_specific_stats,
.bdrv_check_perm = raw_check_perm,
.bdrv_set_perm = raw_set_perm,
.bdrv_abort_perm_update = raw_abort_perm_update,