bdrv_pwrite_zeroes() now also calls trace_bdrv_co_pwrite_zeroes() and
clears the BDRV_REQ_MAY_UNMAP flag when appropriate, which it didn't
previously.
Signed-off-by: Alberto Faria <afa...@redhat.com>
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
---
block/io.c | 41 ----------------------------------------
include/block/block-io.h | 15 +++++++++------
2 files changed, 9 insertions(+), 47 deletions(-)
diff --git a/block/io.c b/block/io.c
index 78a289192e..ecd1c2a53c 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1061,14 +1061,6 @@ static int bdrv_check_request32(int64_t offset, int64_t
bytes,
return 0;
}
-int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int64_t bytes, BdrvRequestFlags flags)
-{
- IO_CODE();
- return bdrv_pwritev(child, offset, bytes, NULL,
- BDRV_REQ_ZERO_WRITE | flags);
-}
-
/*
* Completely zero out a block device with the help of bdrv_pwrite_zeroes.
* The operation is sped up by checking the block status and only writing
@@ -1111,39 +1103,6 @@ int bdrv_make_zero(BdrvChild *child, BdrvRequestFlags
flags)
}
}
-/* See bdrv_pwrite() for the return codes */
-int bdrv_pread(BdrvChild *child, int64_t offset, int64_t bytes, void *buf,
- BdrvRequestFlags flags)
-{
- QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
- IO_CODE();
-
- if (bytes < 0) {
- return -EINVAL;
- }
-
- return bdrv_preadv(child, offset, bytes, &qiov, flags);
-}
-
-/* Return no. of bytes on success or < 0 on error. Important errors are:
- -EIO generic I/O error (may happen for all errors)
- -ENOMEDIUM No media inserted.
- -EINVAL Invalid offset or number of bytes
- -EACCES Trying to write a read-only device
-*/
-int bdrv_pwrite(BdrvChild *child, int64_t offset, int64_t bytes,
- const void *buf, BdrvRequestFlags flags)
-{
- QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
- IO_CODE();
-
- if (bytes < 0) {
- return -EINVAL;
- }
-
- return bdrv_pwritev(child, offset, bytes, &qiov, flags);
-}
-
/*
* Writes to the file and ensures that no writes are reordered across this
* request (acts as a barrier)
diff --git a/include/block/block-io.h b/include/block/block-io.h
index 879221cebe..c81739ad16 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -39,13 +39,16 @@
* to catch when they are accidentally called by the wrong API.
*/
-int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset,
- int64_t bytes, BdrvRequestFlags flags);
+int generated_co_wrapper bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset,
+ int64_t bytes,
+ BdrvRequestFlags flags);
int bdrv_make_zero(BdrvChild *child, BdrvRequestFlags flags);
-int bdrv_pread(BdrvChild *child, int64_t offset, int64_t bytes, void *buf,
- BdrvRequestFlags flags);
-int bdrv_pwrite(BdrvChild *child, int64_t offset, int64_t bytes,
- const void *buf, BdrvRequestFlags flags);
+int generated_co_wrapper bdrv_pread(BdrvChild *child, int64_t offset,
+ int64_t bytes, void *buf,
+ BdrvRequestFlags flags);
+int generated_co_wrapper bdrv_pwrite(BdrvChild *child, int64_t offset,
+ int64_t bytes, const void *buf,
+ BdrvRequestFlags flags);
int bdrv_pwrite_sync(BdrvChild *child, int64_t offset, int64_t bytes,
const void *buf, BdrvRequestFlags flags);
/*
--
2.35.3
