[Qemu-devel] [PULL 2/6] block: add blk_abort_aio_request

[John Snow <jsnow@redhat.com>]

From: Peter Lieven <pl@kamp.de>

Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-3-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
---
 block/block-backend.c          | 17 +++++++++--------
 include/sysemu/block-backend.h |  3 +++
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/block/block-backend.c b/block/block-backend.c
index 9889e81..36ccc9e 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -642,8 +642,9 @@ static void error_callback_bh(void *opaque)
     qemu_aio_unref(acb);
 }
 
-static BlockAIOCB *abort_aio_request(BlockBackend *blk, BlockCompletionFunc *cb,
-                                     void *opaque, int ret)
+BlockAIOCB *blk_abort_aio_request(BlockBackend *blk,
+                                  BlockCompletionFunc *cb,
+                                  void *opaque, int ret)
 {
     struct BlockBackendAIOCB *acb;
     QEMUBH *bh;
@@ -665,7 +666,7 @@ BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t sector_num,
 {
     int ret = blk_check_request(blk, sector_num, nb_sectors);
     if (ret < 0) {
-        return abort_aio_request(blk, cb, opaque, ret);
+        return blk_abort_aio_request(blk, cb, opaque, ret);
     }
 
     return bdrv_aio_write_zeroes(blk->bs, sector_num, nb_sectors, flags,
@@ -725,7 +726,7 @@ BlockAIOCB *blk_aio_readv(BlockBackend *blk, int64_t sector_num,
 {
     int ret = blk_check_request(blk, sector_num, nb_sectors);
     if (ret < 0) {
-        return abort_aio_request(blk, cb, opaque, ret);
+        return blk_abort_aio_request(blk, cb, opaque, ret);
     }
 
     return bdrv_aio_readv(blk->bs, sector_num, iov, nb_sectors, cb, opaque);
@@ -737,7 +738,7 @@ BlockAIOCB *blk_aio_writev(BlockBackend *blk, int64_t sector_num,
 {
     int ret = blk_check_request(blk, sector_num, nb_sectors);
     if (ret < 0) {
-        return abort_aio_request(blk, cb, opaque, ret);
+        return blk_abort_aio_request(blk, cb, opaque, ret);
     }
 
     return bdrv_aio_writev(blk->bs, sector_num, iov, nb_sectors, cb, opaque);
@@ -747,7 +748,7 @@ BlockAIOCB *blk_aio_flush(BlockBackend *blk,
                           BlockCompletionFunc *cb, void *opaque)
 {
     if (!blk_is_available(blk)) {
-        return abort_aio_request(blk, cb, opaque, -ENOMEDIUM);
+        return blk_abort_aio_request(blk, cb, opaque, -ENOMEDIUM);
     }
 
     return bdrv_aio_flush(blk->bs, cb, opaque);
@@ -759,7 +760,7 @@ BlockAIOCB *blk_aio_discard(BlockBackend *blk,
 {
     int ret = blk_check_request(blk, sector_num, nb_sectors);
     if (ret < 0) {
-        return abort_aio_request(blk, cb, opaque, ret);
+        return blk_abort_aio_request(blk, cb, opaque, ret);
     }
 
     return bdrv_aio_discard(blk->bs, sector_num, nb_sectors, cb, opaque);
@@ -802,7 +803,7 @@ BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf,
                           BlockCompletionFunc *cb, void *opaque)
 {
     if (!blk_is_available(blk)) {
-        return abort_aio_request(blk, cb, opaque, -ENOMEDIUM);
+        return blk_abort_aio_request(blk, cb, opaque, -ENOMEDIUM);
     }
 
     return bdrv_aio_ioctl(blk->bs, req, buf, cb, opaque);
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index f4a68e2..fb068ea4 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -184,5 +184,8 @@ int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,
 int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, int64_t pos, int size);
 int blk_probe_blocksizes(BlockBackend *blk, BlockSizes *bsz);
 int blk_probe_geometry(BlockBackend *blk, HDGeometry *geo);
+BlockAIOCB *blk_abort_aio_request(BlockBackend *blk,
+                                  BlockCompletionFunc *cb,
+                                  void *opaque, int ret);
 
 #endif
-- 
2.4.3