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[Qemu-devel] [PATCH for-2.6] block: Don't ignore flags in blk_aio_write_
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH for-2.6] block: Don't ignore flags in blk_aio_write_zeroes() |
Date: |
Fri, 15 Apr 2016 10:27:12 +0200 |
Commit 57d6a428 neglected to pass the given flags to blk_aio_prwv(),
which broke discard by WRITE SAME for scsi-disk (the UNMAP bit would be
ignored).
Reported-by: Max Reitz <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/block-backend.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/block-backend.c b/block/block-backend.c
index 140c3f7..83cec29 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -942,7 +942,8 @@ BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t
sector_num,
return blk_aio_prwv(blk, sector_num << BDRV_SECTOR_BITS,
nb_sectors << BDRV_SECTOR_BITS, NULL,
- blk_aio_write_entry, BDRV_REQ_ZERO_WRITE, cb, opaque);
+ blk_aio_write_entry, flags | BDRV_REQ_ZERO_WRITE,
+ cb, opaque);
}
int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int count)
--
1.8.3.1
- [Qemu-devel] [PATCH for-2.6] block: Don't ignore flags in blk_aio_write_zeroes(),
Kevin Wolf <=