[Qemu-devel] [PATCH 11/17] gluster: Switch .bdrv_co_discard() to byte-based

[Eric Blake <eblake@redhat.com>]

Another step towards killing off sector-based block APIs.

Signed-off-by: Eric Blake <eblake@redhat.com>
---
 block/gluster.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/block/gluster.c b/block/gluster.c
index d361d8e..1ddf85d 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -670,14 +670,12 @@ error:
 }

 #ifdef CONFIG_GLUSTERFS_DISCARD
-static coroutine_fn int qemu_gluster_co_discard(BlockDriverState *bs,
-        int64_t sector_num, int nb_sectors)
+static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs,
+                                                 int64_t offset, int size)
 {
     int ret;
     GlusterAIOCB acb;
     BDRVGlusterState *s = bs->opaque;
-    size_t size = nb_sectors * BDRV_SECTOR_SIZE;
-    off_t offset = sector_num * BDRV_SECTOR_SIZE;

     acb.size = 0;
     acb.ret = 0;
@@ -764,7 +762,7 @@ static BlockDriver bdrv_gluster = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -791,7 +789,7 @@ static BlockDriver bdrv_gluster_tcp = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -818,7 +816,7 @@ static BlockDriver bdrv_gluster_unix = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -845,7 +843,7 @@ static BlockDriver bdrv_gluster_rdma = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
-- 
2.5.5