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| author | Vladimir Sementsov-Ogievskiy | 2019-10-22 13:18:04 +0200 |
|---|---|---|
| committer | Max Reitz | 2019-10-28 11:22:31 +0100 |
| commit | 7f739d0e5375a934f0eade3cd38e6d33673beec0 (patch) | |
| tree | e581fcaff3ce8515785317109f11f7a69d83795b /include/block | |
| parent | util: introduce SharedResource (diff) | |
| download | qemu-7f739d0e5375a934f0eade3cd38e6d33673beec0.tar.gz qemu-7f739d0e5375a934f0eade3cd38e6d33673beec0.tar.xz qemu-7f739d0e5375a934f0eade3cd38e6d33673beec0.zip | |
block/block-copy: add memory limit
Currently total allocation for parallel requests to block-copy instance
is unlimited. Let's limit it to 128 MiB.
For now block-copy is used only in backup, so actually we limit total
allocation for backup job.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191022111805.3432-6-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block-copy.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/block/block-copy.h b/include/block/block-copy.h index e2e135ff1b..edcdf0072d 100644 --- a/include/block/block-copy.h +++ b/include/block/block-copy.h @@ -16,6 +16,7 @@ #define BLOCK_COPY_H #include "block/block.h" +#include "qemu/co-shared-resource.h" typedef struct BlockCopyInFlightReq { int64_t start_byte; @@ -69,6 +70,8 @@ typedef struct BlockCopyState { */ ProgressResetCallbackFunc progress_reset_callback; void *progress_opaque; + + SharedResource *mem; } BlockCopyState; BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, |