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block: Add a 'flags' param to blk_pread()

Browse source 
For consistency with other I/O functions, and in preparation to
implement it using generated_co_wrapper.

Callers were updated using this Coccinelle script:

    @@ expression blk, offset, buf, bytes; @@
    - blk_pread(blk, offset, buf, bytes)
    + blk_pread(blk, offset, buf, bytes, 0)

It had no effect on hw/block/nand.c, presumably due to the #if, so that
file was updated manually.

Overly-long lines were then fixed by hand.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220705161527.1054072-3-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:10 +01:00 • committed by Hanna Reitz
parent bf5b16fa40
commit 3b35d4542c
27 changed files with 52 additions and 50 deletions
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4
nbd/server.c
View file

@ -2040,7 +2040,7 @@ static int coroutine_fn nbd_co_send_sparse_read(NBDClient *client,
ret = nbd_co_send_iov(client, iov, 1, errp);
} else {
ret = blk_pread(exp->common.blk, offset + progress,
data + progress, pnum);
data + progress, pnum, 0);
if (ret < 0) {
error_setg_errno(errp, -ret, "reading from file failed");
break;
@ -2444,7 +2444,7 @@ static coroutine_fn int nbd_do_cmd_read(NBDClient *client, NBDRequest *request,
data, request->len, errp);
}
ret = blk_pread(exp->common.blk, request->from, data, request->len);
ret = blk_pread(exp->common.blk, request->from, data, request->len, 0);
if (ret < 0) {
return nbd_send_generic_reply(client, request->handle, ret,
"reading from file failed", errp);