From 23e9a39e7db60a8cbe4ac1291d4f4feab08930ce Mon Sep 17 00:00:00 2001 From: Zhi Yong Wu Date: Tue, 1 Nov 2011 16:04:32 +0800 Subject: qed: adjust the way to get nb_sectors This patch is only to refactor some lines of codes to get better and more robust codes. As you have seen, in qed_read_table_cb() it's nice to use qiov->size because that function doesn't obviously use a single struct iovec. In other two functions, if qiov use more than one struct iovec, the existing way will get wrong nb_sectors. To make the code more robust, it will be nicer to refactor the existing way as below. Signed-off-by: Zhi Yong Wu Acked-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- block/qed-table.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'block/qed-table.c') diff --git a/block/qed-table.c b/block/qed-table.c index f31f9ff069..8ee844346c 100644 --- a/block/qed-table.c +++ b/block/qed-table.c @@ -29,7 +29,7 @@ static void qed_read_table_cb(void *opaque, int ret) { QEDReadTableCB *read_table_cb = opaque; QEDTable *table = read_table_cb->table; - int noffsets = read_table_cb->iov.iov_len / sizeof(uint64_t); + int noffsets = read_table_cb->qiov.size / sizeof(uint64_t); int i; /* Handle I/O error */ @@ -65,7 +65,7 @@ static void qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, qemu_iovec_init_external(qiov, &read_table_cb->iov, 1); aiocb = bdrv_aio_readv(s->bs->file, offset / BDRV_SECTOR_SIZE, qiov, - read_table_cb->iov.iov_len / BDRV_SECTOR_SIZE, + qiov->size / BDRV_SECTOR_SIZE, qed_read_table_cb, read_table_cb); if (!aiocb) { qed_read_table_cb(read_table_cb, -EIO); @@ -160,7 +160,7 @@ static void qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, aiocb = bdrv_aio_writev(s->bs->file, offset / BDRV_SECTOR_SIZE, &write_table_cb->qiov, - write_table_cb->iov.iov_len / BDRV_SECTOR_SIZE, + write_table_cb->qiov.size / BDRV_SECTOR_SIZE, qed_write_table_cb, write_table_cb); if (!aiocb) { qed_write_table_cb(write_table_cb, -EIO); -- cgit v1.2.1