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qed: mark more functions as coroutine_fns and GRAPH_RDLOCK

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Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend.  Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-3-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-06-01 13:51:35 +02:00 • committed by Kevin Wolf
parent 36c6c8773a
commit bba667da7f
2 changed files with 7 additions and 5 deletions
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7
block/qed.c
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@ -195,14 +195,15 @@ static bool qed_is_image_size_valid(uint64_t image_size, uint32_t cluster_size,
*
* The string is NUL-terminated.
*/
static int qed_read_string(BdrvChild *file, uint64_t offset, size_t n,
char *buf, size_t buflen)
static int coroutine_fn GRAPH_RDLOCK
qed_read_string(BdrvChild *file, uint64_t offset,
size_t n, char *buf, size_t buflen)
{
int ret;
if (n >= buflen) {
return -EINVAL;
}
ret = bdrv_pread(file, offset, n, buf, 0);
ret = bdrv_co_pread(file, offset, n, buf, 0);
if (ret < 0) {
return ret;
}