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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-02-18 17:09:24 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2019-02-22 09:42:13 +0000
commite5863d49e41b1b4b695f854c711a55d2584ee367 (patch)
treec6c6e416ca0a052494793bf93fc60c9e1b8d19e2
parent405d8fe0ba62ddb5d027ad7bc77c6ee88460ad23 (diff)
hw/ide: drop iov field from IDEState
@iov is used only to initialize @qiov. Let's use new qemu_iovec_init_buf() instead, which simplifies the code. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190218140926.333779-16-vsementsov@virtuozzo.com Message-Id: <20190218140926.333779-16-vsementsov@virtuozzo.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--hw/ide/atapi.c9
-rw-r--r--hw/ide/core.c8
-rw-r--r--include/hw/ide/internal.h1
3 files changed, 6 insertions, 12 deletions
diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
index 39e473f9c2..4de86555d9 100644
--- a/hw/ide/atapi.c
+++ b/hw/ide/atapi.c
@@ -174,16 +174,15 @@ static void cd_read_sector_cb(void *opaque, int ret)
static int cd_read_sector(IDEState *s)
{
+ void *buf;
+
if (s->cd_sector_size != 2048 && s->cd_sector_size != 2352) {
block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_READ);
return -EINVAL;
}
- s->iov.iov_base = (s->cd_sector_size == 2352) ?
- s->io_buffer + 16 : s->io_buffer;
-
- s->iov.iov_len = ATAPI_SECTOR_SIZE;
- qemu_iovec_init_external(&s->qiov, &s->iov, 1);
+ buf = (s->cd_sector_size == 2352) ? s->io_buffer + 16 : s->io_buffer;
+ qemu_iovec_init_buf(&s->qiov, buf, ATAPI_SECTOR_SIZE);
trace_cd_read_sector(s->lba);
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 84832008b8..13f8f78ca6 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -774,9 +774,7 @@ static void ide_sector_read(IDEState *s)
return;
}
- s->iov.iov_base = s->io_buffer;
- s->iov.iov_len = n * BDRV_SECTOR_SIZE;
- qemu_iovec_init_external(&s->qiov, &s->iov, 1);
+ qemu_iovec_init_buf(&s->qiov, s->io_buffer, n * BDRV_SECTOR_SIZE);
block_acct_start(blk_get_stats(s->blk), &s->acct,
n * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ);
@@ -1045,9 +1043,7 @@ static void ide_sector_write(IDEState *s)
return;
}
- s->iov.iov_base = s->io_buffer;
- s->iov.iov_len = n * BDRV_SECTOR_SIZE;
- qemu_iovec_init_external(&s->qiov, &s->iov, 1);
+ qemu_iovec_init_buf(&s->qiov, s->io_buffer, n * BDRV_SECTOR_SIZE);
block_acct_start(blk_get_stats(s->blk), &s->acct,
n * BDRV_SECTOR_SIZE, BLOCK_ACCT_WRITE);
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
index 880413ddc7..fa99486d7a 100644
--- a/include/hw/ide/internal.h
+++ b/include/hw/ide/internal.h
@@ -405,7 +405,6 @@ struct IDEState {
int atapi_dma; /* true if dma is requested for the packet cmd */
BlockAcctCookie acct;
BlockAIOCB *pio_aiocb;
- struct iovec iov;
QEMUIOVector qiov;
QLIST_HEAD(, IDEBufferedRequest) buffered_requests;
/* ATA DMA state */