Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

v2:
 * Resolved merge conflict with block/iscsi.c [Peter]

# gpg: Signature made Wed 20 Jul 2016 17:20:52 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request: (25 commits)
  raw_bsd: Convert to byte-based interface
  nbd: Convert to byte-based interface
  block: Kill .bdrv_co_discard()
  sheepdog: Switch .bdrv_co_discard() to byte-based
  raw_bsd: Switch .bdrv_co_discard() to byte-based
  qcow2: Switch .bdrv_co_discard() to byte-based
  nbd: Switch .bdrv_co_discard() to byte-based
  iscsi: Switch .bdrv_co_discard() to byte-based
  gluster: Switch .bdrv_co_discard() to byte-based
  blkreplay: Switch .bdrv_co_discard() to byte-based
  block: Add .bdrv_co_pdiscard() driver callback
  block: Convert .bdrv_aio_discard() to byte-based
  rbd: Switch rbd_start_aio() to byte-based
  raw-posix: Switch paio_submit() to byte-based
  block: Convert BB interface to byte-based discards
  block: Convert bdrv_aio_discard() to byte-based
  block: Switch BlockRequest to byte-based
  block: Convert bdrv_discard() to byte-based
  block: Convert bdrv_co_discard() to byte-based
  iscsi: Rely on block layer to break up large requests
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Conflicts:
	block/gluster.c

1 files changed, 11 insertions, 11 deletions

diff --git a/block/block-backend.c b/block/block-backend.c
index f9cea1b304..effa038924 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1065,16 +1065,16 @@ BlockAIOCB *blk_aio_flush(BlockBackend *blk,
     return bdrv_aio_flush(blk_bs(blk), cb, opaque);
 }
 
-BlockAIOCB *blk_aio_discard(BlockBackend *blk,
-                            int64_t sector_num, int nb_sectors,
-                            BlockCompletionFunc *cb, void *opaque)
+BlockAIOCB *blk_aio_pdiscard(BlockBackend *blk,
+                             int64_t offset, int count,
+                             BlockCompletionFunc *cb, void *opaque)
 {
-    int ret = blk_check_request(blk, sector_num, nb_sectors);
+    int ret = blk_check_byte_request(blk, offset, count);
     if (ret < 0) {
         return blk_abort_aio_request(blk, cb, opaque, ret);
     }
 
-    return bdrv_aio_discard(blk_bs(blk), sector_num, nb_sectors, cb, opaque);
+    return bdrv_aio_pdiscard(blk_bs(blk), offset, count, cb, opaque);
 }
 
 void blk_aio_cancel(BlockAIOCB *acb)
@@ -1106,14 +1106,14 @@ BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf,
     return bdrv_aio_ioctl(blk_bs(blk), req, buf, cb, opaque);
 }
 
-int blk_co_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors)
+int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int count)
 {
-    int ret = blk_check_request(blk, sector_num, nb_sectors);
+    int ret = blk_check_byte_request(blk, offset, count);
     if (ret < 0) {
         return ret;
     }
 
-    return bdrv_co_discard(blk_bs(blk), sector_num, nb_sectors);
+    return bdrv_co_pdiscard(blk_bs(blk), offset, count);
 }
 
 int blk_co_flush(BlockBackend *blk)
@@ -1504,14 +1504,14 @@ int blk_truncate(BlockBackend *blk, int64_t offset)
     return bdrv_truncate(blk_bs(blk), offset);
 }
 
-int blk_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors)
+int blk_pdiscard(BlockBackend *blk, int64_t offset, int count)
 {
-    int ret = blk_check_request(blk, sector_num, nb_sectors);
+    int ret = blk_check_byte_request(blk, offset, count);
     if (ret < 0) {
         return ret;
     }
 
-    return bdrv_discard(blk_bs(blk), sector_num, nb_sectors);
+    return bdrv_pdiscard(blk_bs(blk), offset, count);
 }
 
 int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,