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authorEric Blake <eblake@redhat.com>2016-05-06 10:26:29 -0600
committerKevin Wolf <kwolf@redhat.com>2016-05-12 15:22:08 +0200
commit983a1600504b1b78242b9da29b0d7018a6eb231d (patch)
treeeeac41d09075981786e1c56daad00f0fcad94752 /include/sysemu/block-backend.h
parentb7d17f9fa4df83ed060168c450889d73c441c8f6 (diff)
downloadfocaccia-qemu-983a1600504b1b78242b9da29b0d7018a6eb231d.tar.gz
focaccia-qemu-983a1600504b1b78242b9da29b0d7018a6eb231d.zip
block: Switch blk_*write_zeroes() to byte interface
Sector-based blk_write() should die; convert the one-off
variant blk_write_zeroes() to use an offset/count interface
instead.  Likewise for blk_co_write_zeroes() and
blk_aio_write_zeroes().

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/sysemu/block-backend.h')
-rw-r--r--include/sysemu/block-backend.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 662a106bd2..851376b5b0 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -96,10 +96,10 @@ int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf,
                           int count);
 int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf,
               int nb_sectors);
-int blk_write_zeroes(BlockBackend *blk, int64_t sector_num,
-                     int nb_sectors, BdrvRequestFlags flags);
-BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t sector_num,
-                                 int nb_sectors, BdrvRequestFlags flags,
+int blk_write_zeroes(BlockBackend *blk, int64_t offset,
+                     int count, BdrvRequestFlags flags);
+BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t offset,
+                                 int count, BdrvRequestFlags flags,
                                  BlockCompletionFunc *cb, void *opaque);
 int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int count);
 int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int count,
@@ -179,8 +179,8 @@ int blk_get_open_flags_from_root_state(BlockBackend *blk);
 
 void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
                   BlockCompletionFunc *cb, void *opaque);
-int coroutine_fn blk_co_write_zeroes(BlockBackend *blk, int64_t sector_num,
-                                     int nb_sectors, BdrvRequestFlags flags);
+int coroutine_fn blk_co_write_zeroes(BlockBackend *blk, int64_t offset,
+                                     int count, BdrvRequestFlags flags);
 int blk_write_compressed(BlockBackend *blk, int64_t sector_num,
                          const uint8_t *buf, int nb_sectors);
 int blk_truncate(BlockBackend *blk, int64_t offset);