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bdev/aio: Keep a pointer to the channel on the aio_task

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This will be used later.

Change-Id: I12b07756a13d03a34c9705306d720c1db7ecb15c
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/443312
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Ben Walker 2019-02-04 14:27:53 -07:00 committed by Jim Harris
parent 7f534fca6a
commit 0ed2a120b3
1 changed files with 9 additions and 6 deletions
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15
lib/bdev/aio/bdev_aio.c
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@ -48,12 +48,6 @@
#include <libaio.h>
struct bdev_aio_task {
struct iocb iocb;
uint64_t len;
TAILQ_ENTRY(bdev_aio_task) link;
};
struct bdev_aio_io_channel {
io_context_t io_ctx;
uint64_t io_inflight;
@ -67,6 +61,13 @@ struct bdev_aio_group_channel {
TAILQ_HEAD(, bdev_aio_io_channel) channels;
};
struct bdev_aio_task {
struct iocb iocb;
uint64_t len;
struct bdev_aio_io_channel *ch;
TAILQ_ENTRY(bdev_aio_task) link;
};
struct file_disk {
struct bdev_aio_task *reset_task;
struct spdk_poller *reset_retry_timer;
@ -157,6 +158,7 @@ bdev_aio_readv(struct file_disk *fdisk, struct spdk_io_channel *ch,
io_prep_preadv(iocb, fdisk->fd, iov, iovcnt, offset);
iocb->data = aio_task;
aio_task->len = nbytes;
aio_task->ch = aio_ch;
SPDK_DEBUGLOG(SPDK_LOG_AIO, "read %d iovs size %lu to off: %#lx\n",
iovcnt, nbytes, offset);
@ -187,6 +189,7 @@ bdev_aio_writev(struct file_disk *fdisk, struct spdk_io_channel *ch,
io_prep_pwritev(iocb, fdisk->fd, iov, iovcnt, offset);
iocb->data = aio_task;
aio_task->len = len;
aio_task->ch = aio_ch;
SPDK_DEBUGLOG(SPDK_LOG_AIO, "write %d iovs size %lu from off: %#lx\n",
iovcnt, len, offset);