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| author | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-20 13:16:25 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-10-21 17:34:14 +0200 |
| commit | 6db39ae2e250f15da17462444ea18a9fcef41e05 (patch) | |
| tree | 5589abb302dd9261348c7e67ca9a5eb2f89a14d5 /block/raw-posix.c | |
| parent | 8b94ff85737062876c03e7506abb500521c749b9 (diff) | |
| download | qemu-6db39ae2e250f15da17462444ea18a9fcef41e05.tar.gz qemu-6db39ae2e250f15da17462444ea18a9fcef41e05.tar.bz2 qemu-6db39ae2e250f15da17462444ea18a9fcef41e05.zip | |
block: change discard to co_discard
Since coroutine operation is now mandatory, convert both bdrv_discard
implementations to coroutines. For qcow2, this means taking the lock
around the operation. raw-posix remains synchronous.
The bdrv_discard callback is then unused and can be eliminated.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/raw-posix.c')
| -rw-r--r-- | block/raw-posix.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index afcb4c192c..a3de373586 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -602,7 +602,8 @@ static int xfs_discard(BDRVRawState *s, int64_t sector_num, int nb_sectors) } #endif -static int raw_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors) +static coroutine_fn int raw_co_discard(BlockDriverState *bs, + int64_t sector_num, int nb_sectors) { #ifdef CONFIG_XFS BDRVRawState *s = bs->opaque; @@ -632,7 +633,7 @@ static BlockDriver bdrv_file = { .bdrv_file_open = raw_open, .bdrv_close = raw_close, .bdrv_create = raw_create, - .bdrv_discard = raw_discard, + .bdrv_co_discard = raw_co_discard, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, |