aboutsummaryrefslogtreecommitdiff
path: root/block
diff options
context:
space:
mode:
Diffstat (limited to 'block')
-rw-r--r--block/blkdebug.c2
-rw-r--r--block/blkverify.c47
-rw-r--r--block/curl.c192
-rw-r--r--block/gluster.c7
-rw-r--r--block/iscsi.c80
-rw-r--r--block/linux-aio.c24
-rw-r--r--block/nbd-client.c24
-rw-r--r--block/nbd-client.h4
-rw-r--r--block/nbd.c87
-rw-r--r--block/nfs.c81
-rw-r--r--block/qed-table.c8
-rw-r--r--block/qed.c35
-rw-r--r--block/quorum.c48
-rw-r--r--block/raw-aio.h8
-rw-r--r--block/raw-posix.c82
-rw-r--r--block/raw-win32.c54
-rw-r--r--block/rbd.c10
-rw-r--r--block/sheepdog.c167
-rw-r--r--block/ssh.c36
-rw-r--r--block/vmdk.c23
-rw-r--r--block/win32-aio.c27
21 files changed, 717 insertions, 329 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c
index 380c736101..f51407de3f 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -471,7 +471,7 @@ static BlockDriverAIOCB *inject_error(BlockDriverState *bs,
acb = qemu_aio_get(&blkdebug_aiocb_info, bs, cb, opaque);
acb->ret = -error;
- bh = qemu_bh_new(error_callback_bh, acb);
+ bh = aio_bh_new(bdrv_get_aio_context(bs), error_callback_bh, acb);
acb->bh = bh;
qemu_bh_schedule(bh);
diff --git a/block/blkverify.c b/block/blkverify.c
index e1c31171c3..621b78593b 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -39,12 +39,13 @@ struct BlkverifyAIOCB {
static void blkverify_aio_cancel(BlockDriverAIOCB *blockacb)
{
BlkverifyAIOCB *acb = (BlkverifyAIOCB *)blockacb;
+ AioContext *aio_context = bdrv_get_aio_context(blockacb->bs);
bool finished = false;
/* Wait until request completes, invokes its callback, and frees itself */
acb->finished = &finished;
while (!finished) {
- qemu_aio_wait();
+ aio_poll(aio_context, true);
}
}
@@ -228,7 +229,8 @@ static void blkverify_aio_cb(void *opaque, int ret)
acb->verify(acb);
}
- acb->bh = qemu_bh_new(blkverify_aio_bh, acb);
+ acb->bh = aio_bh_new(bdrv_get_aio_context(acb->common.bs),
+ blkverify_aio_bh, acb);
qemu_bh_schedule(acb->bh);
break;
}
@@ -302,21 +304,40 @@ static bool blkverify_recurse_is_first_non_filter(BlockDriverState *bs,
return bdrv_recurse_is_first_non_filter(s->test_file, candidate);
}
+/* Propagate AioContext changes to ->test_file */
+static void blkverify_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVBlkverifyState *s = bs->opaque;
+
+ bdrv_detach_aio_context(s->test_file);
+}
+
+static void blkverify_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVBlkverifyState *s = bs->opaque;
+
+ bdrv_attach_aio_context(s->test_file, new_context);
+}
+
static BlockDriver bdrv_blkverify = {
- .format_name = "blkverify",
- .protocol_name = "blkverify",
- .instance_size = sizeof(BDRVBlkverifyState),
+ .format_name = "blkverify",
+ .protocol_name = "blkverify",
+ .instance_size = sizeof(BDRVBlkverifyState),
+
+ .bdrv_parse_filename = blkverify_parse_filename,
+ .bdrv_file_open = blkverify_open,
+ .bdrv_close = blkverify_close,
+ .bdrv_getlength = blkverify_getlength,
- .bdrv_parse_filename = blkverify_parse_filename,
- .bdrv_file_open = blkverify_open,
- .bdrv_close = blkverify_close,
- .bdrv_getlength = blkverify_getlength,
+ .bdrv_aio_readv = blkverify_aio_readv,
+ .bdrv_aio_writev = blkverify_aio_writev,
+ .bdrv_aio_flush = blkverify_aio_flush,
- .bdrv_aio_readv = blkverify_aio_readv,
- .bdrv_aio_writev = blkverify_aio_writev,
- .bdrv_aio_flush = blkverify_aio_flush,
+ .bdrv_attach_aio_context = blkverify_attach_aio_context,
+ .bdrv_detach_aio_context = blkverify_detach_aio_context,
- .is_filter = true,
+ .is_filter = true,
.bdrv_recurse_is_first_non_filter = blkverify_recurse_is_first_non_filter,
};
diff --git a/block/curl.c b/block/curl.c
index f491b0ba4c..8c84141ced 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -110,6 +110,7 @@ typedef struct BDRVCURLState {
size_t readahead_size;
bool sslverify;
bool accept_range;
+ AioContext *aio_context;
} BDRVCURLState;
static void curl_clean_state(CURLState *s);
@@ -134,25 +135,29 @@ static int curl_timer_cb(CURLM *multi, long timeout_ms, void *opaque)
#endif
static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action,
- void *s, void *sp)
+ void *userp, void *sp)
{
+ BDRVCURLState *s;
CURLState *state = NULL;
curl_easy_getinfo(curl, CURLINFO_PRIVATE, (char **)&state);
state->sock_fd = fd;
+ s = state->s;
DPRINTF("CURL (AIO): Sock action %d on fd %d\n", action, fd);
switch (action) {
case CURL_POLL_IN:
- qemu_aio_set_fd_handler(fd, curl_multi_read, NULL, state);
+ aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
+ NULL, state);
break;
case CURL_POLL_OUT:
- qemu_aio_set_fd_handler(fd, NULL, curl_multi_do, state);
+ aio_set_fd_handler(s->aio_context, fd, NULL, curl_multi_do, state);
break;
case CURL_POLL_INOUT:
- qemu_aio_set_fd_handler(fd, curl_multi_read, curl_multi_do, state);
+ aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
+ curl_multi_do, state);
break;
case CURL_POLL_REMOVE:
- qemu_aio_set_fd_handler(fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, fd, NULL, NULL, NULL);
break;
}
@@ -365,7 +370,7 @@ static CURLState *curl_init_state(BDRVCURLState *s)
break;
}
if (!state) {
- qemu_aio_wait();
+ aio_poll(state->s->aio_context, true);
}
} while(!state);
@@ -422,6 +427,51 @@ static void curl_parse_filename(const char *filename, QDict *options,
qdict_put(options, CURL_BLOCK_OPT_URL, qstring_from_str(filename));
}
+static void curl_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVCURLState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < CURL_NUM_STATES; i++) {
+ if (s->states[i].in_use) {
+ curl_clean_state(&s->states[i]);
+ }
+ if (s->states[i].curl) {
+ curl_easy_cleanup(s->states[i].curl);
+ s->states[i].curl = NULL;
+ }
+ if (s->states[i].orig_buf) {
+ g_free(s->states[i].orig_buf);
+ s->states[i].orig_buf = NULL;
+ }
+ }
+ if (s->multi) {
+ curl_multi_cleanup(s->multi);
+ s->multi = NULL;
+ }
+
+ timer_del(&s->timer);
+}
+
+static void curl_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVCURLState *s = bs->opaque;
+
+ aio_timer_init(new_context, &s->timer,
+ QEMU_CLOCK_REALTIME, SCALE_NS,
+ curl_multi_timeout_do, s);
+
+ assert(!s->multi);
+ s->multi = curl_multi_init();
+ s->aio_context = new_context;
+ curl_multi_setopt(s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb);
+#ifdef NEED_CURL_TIMER_CALLBACK
+ curl_multi_setopt(s->multi, CURLMOPT_TIMERDATA, s);
+ curl_multi_setopt(s->multi, CURLMOPT_TIMERFUNCTION, curl_timer_cb);
+#endif
+}
+
static QemuOptsList runtime_opts = {
.name = "curl",
.head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
@@ -491,6 +541,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
}
DPRINTF("CURL: Opening %s\n", file);
+ s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
state = curl_init_state(s);
if (!state)
@@ -523,19 +574,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
curl_easy_cleanup(state->curl);
state->curl = NULL;
- aio_timer_init(bdrv_get_aio_context(bs), &s->timer,
- QEMU_CLOCK_REALTIME, SCALE_NS,
- curl_multi_timeout_do, s);
-
- // Now we know the file exists and its size, so let's
- // initialize the multi interface!
-
- s->multi = curl_multi_init();
- curl_multi_setopt(s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb);
-#ifdef NEED_CURL_TIMER_CALLBACK
- curl_multi_setopt(s->multi, CURLMOPT_TIMERDATA, s);
- curl_multi_setopt(s->multi, CURLMOPT_TIMERFUNCTION, curl_timer_cb);
-#endif
+ curl_attach_aio_context(bs, bdrv_get_aio_context(bs));
qemu_opts_del(opts);
return 0;
@@ -630,7 +669,7 @@ static BlockDriverAIOCB *curl_aio_readv(BlockDriverState *bs,
acb->sector_num = sector_num;
acb->nb_sectors = nb_sectors;
- acb->bh = qemu_bh_new(curl_readv_bh_cb, acb);
+ acb->bh = aio_bh_new(bdrv_get_aio_context(bs), curl_readv_bh_cb, acb);
qemu_bh_schedule(acb->bh);
return &acb->common;
}
@@ -638,25 +677,9 @@ static BlockDriverAIOCB *curl_aio_readv(BlockDriverState *bs,
static void curl_close(BlockDriverState *bs)
{
BDRVCURLState *s = bs->opaque;
- int i;
DPRINTF("CURL: Close\n");
- for (i=0; i<CURL_NUM_STATES; i++) {
- if (s->states[i].in_use)
- curl_clean_state(&s->states[i]);
- if (s->states[i].curl) {
- curl_easy_cleanup(s->states[i].curl);
- s->states[i].curl = NULL;
- }
- if (s->states[i].orig_buf) {
- g_free(s->states[i].orig_buf);
- s->states[i].orig_buf = NULL;
- }
- }
- if (s->multi)
- curl_multi_cleanup(s->multi);
-
- timer_del(&s->timer);
+ curl_detach_aio_context(bs);
g_free(s->url);
}
@@ -668,68 +691,83 @@ static int64_t curl_getlength(BlockDriverState *bs)
}
static BlockDriver bdrv_http = {
- .format_name = "http",
- .protocol_name = "http",
+ .format_name = "http",
+ .protocol_name = "http",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_https = {
- .format_name = "https",
- .protocol_name = "https",
+ .format_name = "https",
+ .protocol_name = "https",
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_aio_readv = curl_aio_readv,
+
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_ftp = {
- .format_name = "ftp",
- .protocol_name = "ftp",
+ .format_name = "ftp",
+ .protocol_name = "ftp",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_ftps = {
- .format_name = "ftps",
- .protocol_name = "ftps",
+ .format_name = "ftps",
+ .protocol_name = "ftps",
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_aio_readv = curl_aio_readv,
+
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_tftp = {
- .format_name = "tftp",
- .protocol_name = "tftp",
+ .format_name = "tftp",
+ .protocol_name = "tftp",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static void curl_block_init(void)
diff --git a/block/gluster.c b/block/gluster.c
index d0726ec92c..114689e441 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -16,6 +16,7 @@ typedef struct GlusterAIOCB {
int ret;
QEMUBH *bh;
Coroutine *coroutine;
+ AioContext *aio_context;
} GlusterAIOCB;
typedef struct BDRVGlusterState {
@@ -249,7 +250,7 @@ static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret, void *arg)
acb->ret = -EIO; /* Partial read/write - fail it */
}
- acb->bh = qemu_bh_new(qemu_gluster_complete_aio, acb);
+ acb->bh = aio_bh_new(acb->aio_context, qemu_gluster_complete_aio, acb);
qemu_bh_schedule(acb->bh);
}
@@ -436,6 +437,7 @@ static coroutine_fn int qemu_gluster_co_write_zeroes(BlockDriverState *bs,
acb->size = size;
acb->ret = 0;
acb->coroutine = qemu_coroutine_self();
+ acb->aio_context = bdrv_get_aio_context(bs);
ret = glfs_zerofill_async(s->fd, offset, size, &gluster_finish_aiocb, acb);
if (ret < 0) {
@@ -549,6 +551,7 @@ static coroutine_fn int qemu_gluster_co_rw(BlockDriverState *bs,
acb->size = size;
acb->ret = 0;
acb->coroutine = qemu_coroutine_self();
+ acb->aio_context = bdrv_get_aio_context(bs);
if (write) {
ret = glfs_pwritev_async(s->fd, qiov->iov, qiov->niov, offset, 0,
@@ -605,6 +608,7 @@ static coroutine_fn int qemu_gluster_co_flush_to_disk(BlockDriverState *bs)
acb->size = 0;
acb->ret = 0;
acb->coroutine = qemu_coroutine_self();
+ acb->aio_context = bdrv_get_aio_context(bs);
ret = glfs_fsync_async(s->fd, &gluster_finish_aiocb, acb);
if (ret < 0) {
@@ -633,6 +637,7 @@ static coroutine_fn int qemu_gluster_co_discard(BlockDriverState *bs,
acb->size = 0;
acb->ret = 0;
acb->coroutine = qemu_coroutine_self();
+ acb->aio_context = bdrv_get_aio_context(bs);
ret = glfs_discard_async(s->fd, offset, size, &gluster_finish_aiocb, acb);
if (ret < 0) {
diff --git a/block/iscsi.c b/block/iscsi.c
index 3892cc551e..877b877cf2 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -49,6 +49,7 @@
typedef struct IscsiLun {
struct iscsi_context *iscsi;
+ AioContext *aio_context;
int lun;
enum scsi_inquiry_peripheral_device_type type;
int block_size;
@@ -73,6 +74,7 @@ typedef struct IscsiTask {
struct scsi_task *task;
Coroutine *co;
QEMUBH *bh;
+ IscsiLun *iscsilun;
} IscsiTask;
typedef struct IscsiAIOCB {
@@ -133,7 +135,7 @@ iscsi_schedule_bh(IscsiAIOCB *acb)
if (acb->bh) {
return;
}
- acb->bh = qemu_bh_new(iscsi_bh_cb, acb);
+ acb->bh = aio_bh_new(acb->iscsilun->aio_context, iscsi_bh_cb, acb);
qemu_bh_schedule(acb->bh);
}
@@ -169,7 +171,8 @@ iscsi_co_generic_cb(struct iscsi_context *iscsi, int status,
out:
if (iTask->co) {
- iTask->bh = qemu_bh_new(iscsi_co_generic_bh_cb, iTask);
+ iTask->bh = aio_bh_new(iTask->iscsilun->aio_context,
+ iscsi_co_generic_bh_cb, iTask);
qemu_bh_schedule(iTask->bh);
}
}
@@ -177,8 +180,9 @@ out:
static void iscsi_co_init_iscsitask(IscsiLun *iscsilun, struct IscsiTask *iTask)
{
*iTask = (struct IscsiTask) {
- .co = qemu_coroutine_self(),
- .retries = ISCSI_CMD_RETRIES,
+ .co = qemu_coroutine_self(),
+ .retries = ISCSI_CMD_RETRIES,
+ .iscsilun = iscsilun,
};
}
@@ -209,7 +213,7 @@ iscsi_aio_cancel(BlockDriverAIOCB *blockacb)
iscsi_abort_task_cb, acb);
while (acb->status == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(iscsilun->aio_context, true);
}
}
@@ -232,10 +236,11 @@ iscsi_set_events(IscsiLun *iscsilun)
ev = POLLIN;
ev |= iscsi_which_events(iscsi);
if (ev != iscsilun->events) {
- qemu_aio_set_fd_handler(iscsi_get_fd(iscsi),
- iscsi_process_read,
- (ev & POLLOUT) ? iscsi_process_write : NULL,
- iscsilun);
+ aio_set_fd_handler(iscsilun->aio_context,
+ iscsi_get_fd(iscsi),
+ iscsi_process_read,
+ (ev & POLLOUT) ? iscsi_process_write : NULL,
+ iscsilun);
}
@@ -791,7 +796,7 @@ static int iscsi_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
iscsi_aio_ioctl(bs, req, buf, ioctl_cb, &status);
while (status == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(iscsilun->aio_context, true);
}
return 0;
@@ -1195,6 +1200,40 @@ fail_with_err:
return NULL;
}
+static void iscsi_detach_aio_context(BlockDriverState *bs)
+{
+ IscsiLun *iscsilun = bs->opaque;
+
+ aio_set_fd_handler(iscsilun->aio_context,
+ iscsi_get_fd(iscsilun->iscsi),
+ NULL, NULL, NULL);
+ iscsilun->events = 0;
+
+ if (iscsilun->nop_timer) {
+ timer_del(iscsilun->nop_timer);
+ timer_free(iscsilun->nop_timer);
+ iscsilun->nop_timer = NULL;
+ }
+}
+
+static void iscsi_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ IscsiLun *iscsilun = bs->opaque;
+
+ iscsilun->aio_context = new_context;
+ iscsi_set_events(iscsilun);
+
+#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
+ /* Set up a timer for sending out iSCSI NOPs */
+ iscsilun->nop_timer = aio_timer_new(iscsilun->aio_context,
+ QEMU_CLOCK_REALTIME, SCALE_MS,
+ iscsi_nop_timed_event, iscsilun);
+ timer_mod(iscsilun->nop_timer,
+ qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
+#endif
+}
+
/*
* We support iscsi url's on the form
* iscsi://[<username>%<password>@]<host>[:<port>]/<targetname>/<lun>
@@ -1301,6 +1340,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
}
iscsilun->iscsi = iscsi;
+ iscsilun->aio_context = bdrv_get_aio_context(bs);
iscsilun->lun = iscsi_url->lun;
iscsilun->has_write_same = true;
@@ -1374,11 +1414,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
scsi_free_scsi_task(task);
task = NULL;
-#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
- /* Set up a timer for sending out iSCSI NOPs */
- iscsilun->nop_timer = timer_new_ms(QEMU_CLOCK_REALTIME, iscsi_nop_timed_event, iscsilun);
- timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
-#endif
+ iscsi_attach_aio_context(bs, iscsilun->aio_context);
/* Guess the internal cluster (page) size of the iscsi target by the means
* of opt_unmap_gran. Transfer the unmap granularity only if it has a
@@ -1422,11 +1458,7 @@ static void iscsi_close(BlockDriverState *bs)
IscsiLun *iscsilun = bs->opaque;
struct iscsi_context *iscsi = iscsilun->iscsi;
- if (iscsilun->nop_timer) {
- timer_del(iscsilun->nop_timer);
- timer_free(iscsilun->nop_timer);
- }
- qemu_aio_set_fd_handler(iscsi_get_fd(iscsi), NULL, NULL, NULL);
+ iscsi_detach_aio_context(bs);
iscsi_destroy_context(iscsi);
g_free(iscsilun->zeroblock);
g_free(iscsilun->allocationmap);
@@ -1530,10 +1562,7 @@ static int iscsi_create(const char *filename, QEMUOptionParameter *options,
if (ret != 0) {
goto out;
}
- if (iscsilun->nop_timer) {
- timer_del(iscsilun->nop_timer);
- timer_free(iscsilun->nop_timer);
- }
+ iscsi_detach_aio_context(bs);
if (iscsilun->type != TYPE_DISK) {
ret = -ENODEV;
goto out;
@@ -1604,6 +1633,9 @@ static BlockDriver bdrv_iscsi = {
.bdrv_ioctl = iscsi_ioctl,
.bdrv_aio_ioctl = iscsi_aio_ioctl,
#endif
+
+ .bdrv_detach_aio_context = iscsi_detach_aio_context,
+ .bdrv_attach_aio_context = iscsi_attach_aio_context,
};
static QemuOptsList qemu_iscsi_opts = {
diff --git a/block/linux-aio.c b/block/linux-aio.c
index 53434e2df5..f0a2c087b2 100644
--- a/block/linux-aio.c
+++ b/block/linux-aio.c
@@ -177,6 +177,20 @@ out_free_aiocb:
return NULL;
}
+void laio_detach_aio_context(void *s_, AioContext *old_context)
+{
+ struct qemu_laio_state *s = s_;
+
+ aio_set_event_notifier(old_context, &s->e, NULL);
+}
+
+void laio_attach_aio_context(void *s_, AioContext *new_context)
+{
+ struct qemu_laio_state *s = s_;
+
+ aio_set_event_notifier(new_context, &s->e, qemu_laio_completion_cb);
+}
+
void *laio_init(void)
{
struct qemu_laio_state *s;
@@ -190,8 +204,6 @@ void *laio_init(void)
goto out_close_efd;
}
- qemu_aio_set_event_notifier(&s->e, qemu_laio_completion_cb);
-
return s;
out_close_efd:
@@ -200,3 +212,11 @@ out_free_state:
g_free(s);
return NULL;
}
+
+void laio_cleanup(void *s_)
+{
+ struct qemu_laio_state *s = s_;
+
+ event_notifier_cleanup(&s->e);
+ g_free(s);
+}
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 7d698cb619..6e1c97cad0 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -49,7 +49,7 @@ static void nbd_teardown_connection(NbdClientSession *client)
shutdown(client->sock, 2);
nbd_recv_coroutines_enter_all(client);
- qemu_aio_set_fd_handler(client->sock, NULL, NULL, NULL);
+ nbd_client_session_detach_aio_context(client);
closesocket(client->sock);
client->sock = -1;
}
@@ -103,11 +103,14 @@ static int nbd_co_send_request(NbdClientSession *s,
struct nbd_request *request,
QEMUIOVector *qiov, int offset)
{
+ AioContext *aio_context;
int rc, ret;
qemu_co_mutex_lock(&s->send_mutex);
s->send_coroutine = qemu_coroutine_self();
- qemu_aio_set_fd_handler(s->sock, nbd_reply_ready, nbd_restart_write, s);
+ aio_context = bdrv_get_aio_context(s->bs);
+ aio_set_fd_handler(aio_context, s->sock,
+ nbd_reply_ready, nbd_restart_write, s);
if (qiov) {
if (!s->is_unix) {
socket_set_cork(s->sock, 1);
@@ -126,7 +129,7 @@ static int nbd_co_send_request(NbdClientSession *s,
} else {
rc = nbd_send_request(s->sock, request);
}
- qemu_aio_set_fd_handler(s->sock, nbd_reply_ready, NULL, s);
+ aio_set_fd_handler(aio_context, s->sock, nbd_reply_ready, NULL, s);
s->send_coroutine = NULL;
qemu_co_mutex_unlock(&s->send_mutex);
return rc;
@@ -335,6 +338,19 @@ int nbd_client_session_co_discard(NbdClientSession *client, int64_t sector_num,
}
+void nbd_client_session_detach_aio_context(NbdClientSession *client)
+{
+ aio_set_fd_handler(bdrv_get_aio_context(client->bs), client->sock,
+ NULL, NULL, NULL);
+}
+
+void nbd_client_session_attach_aio_context(NbdClientSession *client,
+ AioContext *new_context)
+{
+ aio_set_fd_handler(new_context, client->sock,
+ nbd_reply_ready, NULL, client);
+}
+
void nbd_client_session_close(NbdClientSession *client)
{
struct nbd_request request = {
@@ -381,7 +397,7 @@ int nbd_client_session_init(NbdClientSession *client, BlockDriverState *bs,
/* Now that we're connected, set the socket to be non-blocking and
* kick the reply mechanism. */
qemu_set_nonblock(sock);
- qemu_aio_set_fd_handler(sock, nbd_reply_ready, NULL, client);
+ nbd_client_session_attach_aio_context(client, bdrv_get_aio_context(bs));
logout("Established connection with NBD server\n");
return 0;
diff --git a/block/nbd-client.h b/block/nbd-client.h
index f2a63378bb..cd478f3a98 100644
--- a/block/nbd-client.h
+++ b/block/nbd-client.h
@@ -47,4 +47,8 @@ int nbd_client_session_co_writev(NbdClientSession *client, int64_t sector_num,
int nbd_client_session_co_readv(NbdClientSession *client, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov);
+void nbd_client_session_detach_aio_context(NbdClientSession *client);
+void nbd_client_session_attach_aio_context(NbdClientSession *client,
+ AioContext *new_context);
+
#endif /* NBD_CLIENT_H */
diff --git a/block/nbd.c b/block/nbd.c
index 613f2581ae..4eda0958d7 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -323,46 +323,67 @@ static int64_t nbd_getlength(BlockDriverState *bs)
return s->client.size;
}
+static void nbd_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVNBDState *s = bs->opaque;
+
+ nbd_client_session_detach_aio_context(&s->client);
+}
+
+static void nbd_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVNBDState *s = bs->opaque;
+
+ nbd_client_session_attach_aio_context(&s->client, new_context);
+}
+
static BlockDriver bdrv_nbd = {
- .format_name = "nbd",
- .protocol_name = "nbd",
- .instance_size = sizeof(BDRVNBDState),
- .bdrv_parse_filename = nbd_parse_filename,
- .bdrv_file_open = nbd_open,
- .bdrv_co_readv = nbd_co_readv,
- .bdrv_co_writev = nbd_co_writev,
- .bdrv_close = nbd_close,
- .bdrv_co_flush_to_os = nbd_co_flush,
- .bdrv_co_discard = nbd_co_discard,
- .bdrv_getlength = nbd_getlength,
+ .format_name = "nbd",
+ .protocol_name = "nbd",
+ .instance_size = sizeof(BDRVNBDState),
+ .bdrv_parse_filename = nbd_parse_filename,
+ .bdrv_file_open = nbd_open,
+ .bdrv_co_readv = nbd_co_readv,
+ .bdrv_co_writev = nbd_co_writev,
+ .bdrv_close = nbd_close,
+ .bdrv_co_flush_to_os = nbd_co_flush,
+ .bdrv_co_discard = nbd_co_discard,
+ .bdrv_getlength = nbd_getlength,
+ .bdrv_detach_aio_context = nbd_detach_aio_context,
+ .bdrv_attach_aio_context = nbd_attach_aio_context,
};
static BlockDriver bdrv_nbd_tcp = {
- .format_name = "nbd",
- .protocol_name = "nbd+tcp",
- .instance_size = sizeof(BDRVNBDState),
- .bdrv_parse_filename = nbd_parse_filename,
- .bdrv_file_open = nbd_open,
- .bdrv_co_readv = nbd_co_readv,
- .bdrv_co_writev = nbd_co_writev,
- .bdrv_close = nbd_close,
- .bdrv_co_flush_to_os = nbd_co_flush,
- .bdrv_co_discard = nbd_co_discard,
- .bdrv_getlength = nbd_getlength,
+ .format_name = "nbd",
+ .protocol_name = "nbd+tcp",
+ .instance_size = sizeof(BDRVNBDState),
+ .bdrv_parse_filename = nbd_parse_filename,
+ .bdrv_file_open = nbd_open,
+ .bdrv_co_readv = nbd_co_readv,
+ .bdrv_co_writev = nbd_co_writev,
+ .bdrv_close = nbd_close,
+ .bdrv_co_flush_to_os = nbd_co_flush,
+ .bdrv_co_discard = nbd_co_discard,
+ .bdrv_getlength = nbd_getlength,
+ .bdrv_detach_aio_context = nbd_detach_aio_context,
+ .bdrv_attach_aio_context = nbd_attach_aio_context,
};
static BlockDriver bdrv_nbd_unix = {
- .format_name = "nbd",
- .protocol_name = "nbd+unix",
- .instance_size = sizeof(BDRVNBDState),
- .bdrv_parse_filename = nbd_parse_filename,
- .bdrv_file_open = nbd_open,
- .bdrv_co_readv = nbd_co_readv,
- .bdrv_co_writev = nbd_co_writev,
- .bdrv_close = nbd_close,
- .bdrv_co_flush_to_os = nbd_co_flush,
- .bdrv_co_discard = nbd_co_discard,
- .bdrv_getlength = nbd_getlength,
+ .format_name = "nbd",
+ .protocol_name = "nbd+unix",
+ .instance_size = sizeof(BDRVNBDState),
+ .bdrv_parse_filename = nbd_parse_filename,
+ .bdrv_file_open = nbd_open,
+ .bdrv_co_readv = nbd_co_readv,
+ .bdrv_co_writev = nbd_co_writev,
+ .bdrv_close = nbd_close,
+ .bdrv_co_flush_to_os = nbd_co_flush,
+ .bdrv_co_discard = nbd_co_discard,
+ .bdrv_getlength = nbd_getlength,
+ .bdrv_detach_aio_context = nbd_detach_aio_context,
+ .bdrv_attach_aio_context = nbd_attach_aio_context,
};
static void bdrv_nbd_init(void)
diff --git a/block/nfs.c b/block/nfs.c
index 539bd951df..bd9177f3ae 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -40,6 +40,7 @@ typedef struct NFSClient {
struct nfsfh *fh;
int events;
bool has_zero_init;
+ AioContext *aio_context;
} NFSClient;
typedef struct NFSRPC {
@@ -49,6 +50,7 @@ typedef struct NFSRPC {
struct stat *st;
Coroutine *co;
QEMUBH *bh;
+ NFSClient *client;
} NFSRPC;
static void nfs_process_read(void *arg);
@@ -58,10 +60,11 @@ static void nfs_set_events(NFSClient *client)
{
int ev = nfs_which_events(client->context);
if (ev != client->events) {
- qemu_aio_set_fd_handler(nfs_get_fd(client->context),
- (ev & POLLIN) ? nfs_process_read : NULL,
- (ev & POLLOUT) ? nfs_process_write : NULL,
- client);
+ aio_set_fd_handler(client->aio_context,
+ nfs_get_fd(client->context),
+ (ev & POLLIN) ? nfs_process_read : NULL,
+ (ev & POLLOUT) ? nfs_process_write : NULL,
+ client);
}
client->events = ev;
@@ -84,7 +87,8 @@ static void nfs_process_write(void *arg)
static void nfs_co_init_task(NFSClient *client, NFSRPC *task)
{
*task = (NFSRPC) {
- .co = qemu_coroutine_self(),
+ .co = qemu_coroutine_self(),
+ .client = client,
};
}
@@ -116,7 +120,8 @@ nfs_co_generic_cb(int ret, struct nfs_context *nfs, void *data,
error_report("NFS Error: %s", nfs_get_error(nfs));
}
if (task->co) {
- task->bh = qemu_bh_new(nfs_co_generic_bh_cb, task);
+ task->bh = aio_bh_new(task->client->aio_context,
+ nfs_co_generic_bh_cb, task);
qemu_bh_schedule(task->bh);
}
}
@@ -224,13 +229,34 @@ static QemuOptsList runtime_opts = {
},
};
+static void nfs_detach_aio_context(BlockDriverState *bs)
+{
+ NFSClient *client = bs->opaque;
+
+ aio_set_fd_handler(client->aio_context,
+ nfs_get_fd(client->context),
+ NULL, NULL, NULL);
+ client->events = 0;
+}
+
+static void nfs_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ NFSClient *client = bs->opaque;
+
+ client->aio_context = new_context;
+ nfs_set_events(client);
+}
+
static void nfs_client_close(NFSClient *client)
{
if (client->context) {
if (client->fh) {
nfs_close(client->context, client->fh);
}
- qemu_aio_set_fd_handler(nfs_get_fd(client->context), NULL, NULL, NULL);
+ aio_set_fd_handler(client->aio_context,
+ nfs_get_fd(client->context),
+ NULL, NULL, NULL);
nfs_destroy_context(client->context);
}
memset(client, 0, sizeof(NFSClient));
@@ -345,6 +371,8 @@ static int nfs_file_open(BlockDriverState *bs, QDict *options, int flags,
QemuOpts *opts;
Error *local_err = NULL;
+ client->aio_context = bdrv_get_aio_context(bs);
+
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
@@ -368,6 +396,8 @@ static int nfs_file_create(const char *url, QEMUOptionParameter *options,
int64_t total_size = 0;
NFSClient *client = g_malloc0(sizeof(NFSClient));
+ client->aio_context = qemu_get_aio_context();
+
/* Read out options */
while (options && options->name) {
if (!strcmp(options->name, "size")) {
@@ -407,7 +437,7 @@ static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
while (!task.complete) {
nfs_set_events(client);
- qemu_aio_wait();
+ aio_poll(client->aio_context, true);
}
return (task.ret < 0 ? task.ret : st.st_blocks * st.st_blksize);
@@ -420,22 +450,25 @@ static int nfs_file_truncate(BlockDriverState *bs, int64_t offset)
}
static BlockDriver bdrv_nfs = {
- .format_name = "nfs",
- .protocol_name = "nfs",
-
- .instance_size = sizeof(NFSClient),
- .bdrv_needs_filename = true,
- .bdrv_has_zero_init = nfs_has_zero_init,
- .bdrv_get_allocated_file_size = nfs_get_allocated_file_size,
- .bdrv_truncate = nfs_file_truncate,
-
- .bdrv_file_open = nfs_file_open,
- .bdrv_close = nfs_file_close,
- .bdrv_create = nfs_file_create,
-
- .bdrv_co_readv = nfs_co_readv,
- .bdrv_co_writev = nfs_co_writev,
- .bdrv_co_flush_to_disk = nfs_co_flush,
+ .format_name = "nfs",
+ .protocol_name = "nfs",
+
+ .instance_size = sizeof(NFSClient),
+ .bdrv_needs_filename = true,
+ .bdrv_has_zero_init = nfs_has_zero_init,
+ .bdrv_get_allocated_file_size = nfs_get_allocated_file_size,
+ .bdrv_truncate = nfs_file_truncate,
+
+ .bdrv_file_open = nfs_file_open,
+ .bdrv_close = nfs_file_close,
+ .bdrv_create = nfs_file_create,
+
+ .bdrv_co_readv = nfs_co_readv,
+ .bdrv_co_writev = nfs_co_writev,
+ .bdrv_co_flush_to_disk = nfs_co_flush,
+
+ .bdrv_detach_aio_context = nfs_detach_aio_context,
+ .bdrv_attach_aio_context = nfs_attach_aio_context,
};
static void nfs_block_init(void)
diff --git a/block/qed-table.c b/block/qed-table.c
index 76d2dcccf8..f61107a1cf 100644
--- a/block/qed-table.c
+++ b/block/qed-table.c
@@ -173,7 +173,7 @@ int qed_read_l1_table_sync(BDRVQEDState *s)
qed_read_table(s, s->header.l1_table_offset,
s->l1_table, qed_sync_cb, &ret);
while (ret == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(s->bs), true);
}
return ret;
@@ -194,7 +194,7 @@ int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index,
qed_write_l1_table(s, index, n, qed_sync_cb, &ret);
while (ret == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(s->bs), true);
}
return ret;
@@ -267,7 +267,7 @@ int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset
qed_read_l2_table(s, request, offset, qed_sync_cb, &ret);
while (ret == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(s->bs), true);
}
return ret;
@@ -289,7 +289,7 @@ int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
qed_write_l2_table(s, request, index, n, flush, qed_sync_cb, &ret);
while (ret == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(s->bs), true);
}
return ret;
diff --git a/block/qed.c b/block/qed.c
index c130e42d0d..79f5bd392a 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -21,12 +21,13 @@
static void qed_aio_cancel(BlockDriverAIOCB *blockacb)
{
QEDAIOCB *acb = (QEDAIOCB *)blockacb;
+ AioContext *aio_context = bdrv_get_aio_context(blockacb->bs);
bool finished = false;
/* Wait for the request to finish */
acb->finished = &finished;
while (!finished) {
- qemu_aio_wait();
+ aio_poll(aio_context, true);
}
}
@@ -373,6 +374,27 @@ static void bdrv_qed_rebind(BlockDriverState *bs)
s->bs = bs;
}
+static void bdrv_qed_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVQEDState *s = bs->opaque;
+
+ qed_cancel_need_check_timer(s);
+ timer_free(s->need_check_timer);
+}
+
+static void bdrv_qed_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVQEDState *s = bs->opaque;
+
+ s->need_check_timer = aio_timer_new(new_context,
+ QEMU_CLOCK_VIRTUAL, SCALE_NS,
+ qed_need_check_timer_cb, s);
+ if (s->header.features & QED_F_NEED_CHECK) {
+ qed_start_need_check_timer(s);
+ }
+}
+
static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
@@ -496,8 +518,7 @@ static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
}
}
- s->need_check_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
- qed_need_check_timer_cb, s);
+ bdrv_qed_attach_aio_context(bs, bdrv_get_aio_context(bs));
out:
if (ret) {
@@ -528,8 +549,7 @@ static void bdrv_qed_close(BlockDriverState *bs)
{
BDRVQEDState *s = bs->opaque;
- qed_cancel_need_check_timer(s);
- timer_free(s->need_check_timer);
+ bdrv_qed_detach_aio_context(bs);
/* Ensure writes reach stable storage */
bdrv_flush(bs->file);
@@ -919,7 +939,8 @@ static void qed_aio_complete(QEDAIOCB *acb, int ret)
/* Arrange for a bh to invoke the completion function */
acb->bh_ret = ret;
- acb->bh = qemu_bh_new(qed_aio_complete_bh, acb);
+ acb->bh = aio_bh_new(bdrv_get_aio_context(acb->common.bs),
+ qed_aio_complete_bh, acb);
qemu_bh_schedule(acb->bh);
/* Start next allocating write request waiting behind this one. Note that
@@ -1644,6 +1665,8 @@ static BlockDriver bdrv_qed = {
.bdrv_change_backing_file = bdrv_qed_change_backing_file,
.bdrv_invalidate_cache = bdrv_qed_invalidate_cache,
.bdrv_check = bdrv_qed_check,
+ .bdrv_detach_aio_context = bdrv_qed_detach_aio_context,
+ .bdrv_attach_aio_context = bdrv_qed_attach_aio_context,
};
static void bdrv_qed_init(void)
diff --git a/block/quorum.c b/block/quorum.c
index ecec3a5407..426077a520 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -848,25 +848,49 @@ static void quorum_close(BlockDriverState *bs)
g_free(s->bs);
}
+static void quorum_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVQuorumState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_children; i++) {
+ bdrv_detach_aio_context(s->bs[i]);
+ }
+}
+
+static void quorum_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVQuorumState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_children; i++) {
+ bdrv_attach_aio_context(s->bs[i], new_context);
+ }
+}
+
static BlockDriver bdrv_quorum = {
- .format_name = "quorum",
- .protocol_name = "quorum",
+ .format_name = "quorum",
+ .protocol_name = "quorum",
+
+ .instance_size = sizeof(BDRVQuorumState),
- .instance_size = sizeof(BDRVQuorumState),
+ .bdrv_file_open = quorum_open,
+ .bdrv_close = quorum_close,
- .bdrv_file_open = quorum_open,
- .bdrv_close = quorum_close,
+ .bdrv_co_flush_to_disk = quorum_co_flush,
- .bdrv_co_flush_to_disk = quorum_co_flush,
+ .bdrv_getlength = quorum_getlength,
- .bdrv_getlength = quorum_getlength,
+ .bdrv_aio_readv = quorum_aio_readv,
+ .bdrv_aio_writev = quorum_aio_writev,
+ .bdrv_invalidate_cache = quorum_invalidate_cache,
- .bdrv_aio_readv = quorum_aio_readv,
- .bdrv_aio_writev = quorum_aio_writev,
- .bdrv_invalidate_cache = quorum_invalidate_cache,
+ .bdrv_detach_aio_context = quorum_detach_aio_context,
+ .bdrv_attach_aio_context = quorum_attach_aio_context,
- .is_filter = true,
- .bdrv_recurse_is_first_non_filter = quorum_recurse_is_first_non_filter,
+ .is_filter = true,
+ .bdrv_recurse_is_first_non_filter = quorum_recurse_is_first_non_filter,
};
static void bdrv_quorum_init(void)
diff --git a/block/raw-aio.h b/block/raw-aio.h
index 7ad0a8a0a7..8cf084eeb5 100644
--- a/block/raw-aio.h
+++ b/block/raw-aio.h
@@ -34,19 +34,27 @@
/* linux-aio.c - Linux native implementation */
#ifdef CONFIG_LINUX_AIO
void *laio_init(void);
+void laio_cleanup(void *s);
BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque, int type);
+void laio_detach_aio_context(void *s, AioContext *old_context);
+void laio_attach_aio_context(void *s, AioContext *new_context);
#endif
#ifdef _WIN32
typedef struct QEMUWin32AIOState QEMUWin32AIOState;
QEMUWin32AIOState *win32_aio_init(void);
+void win32_aio_cleanup(QEMUWin32AIOState *aio);
int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile);
BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs,
QEMUWin32AIOState *aio, HANDLE hfile,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque, int type);
+void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
+ AioContext *old_context);
+void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
+ AioContext *new_context);
#endif
#endif /* QEMU_RAW_AIO_H */
diff --git a/block/raw-posix.c b/block/raw-posix.c
index b7f0f2624b..c2b30be3d3 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -307,6 +307,29 @@ static void raw_parse_flags(int bdrv_flags, int *open_flags)
}
}
+static void raw_detach_aio_context(BlockDriverState *bs)
+{
+#ifdef CONFIG_LINUX_AIO
+ BDRVRawState *s = bs->opaque;
+
+ if (s->use_aio) {
+ laio_detach_aio_context(s->aio_ctx, bdrv_get_aio_context(bs));
+ }
+#endif
+}
+
+static void raw_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+#ifdef CONFIG_LINUX_AIO
+ BDRVRawState *s = bs->opaque;
+
+ if (s->use_aio) {
+ laio_attach_aio_context(s->aio_ctx, new_context);
+ }
+#endif
+}
+
#ifdef CONFIG_LINUX_AIO
static int raw_set_aio(void **aio_ctx, int *use_aio, int bdrv_flags)
{
@@ -447,6 +470,8 @@ static int raw_open_common(BlockDriverState *bs, QDict *options,
}
#endif
+ raw_attach_aio_context(bs, bdrv_get_aio_context(bs));
+
ret = 0;
fail:
if (filename && (bdrv_flags & BDRV_O_TEMPORARY)) {
@@ -1059,6 +1084,14 @@ static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs,
static void raw_close(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
+
+ raw_detach_aio_context(bs);
+
+#ifdef CONFIG_LINUX_AIO
+ if (s->use_aio) {
+ laio_cleanup(s->aio_ctx);
+ }
+#endif
if (s->fd >= 0) {
qemu_close(s->fd);
s->fd = -1;
@@ -1478,6 +1511,9 @@ static BlockDriver bdrv_file = {
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
.create_options = raw_create_options,
};
@@ -1878,6 +1914,9 @@ static BlockDriver bdrv_host_device = {
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
/* generic scsi device */
#ifdef __linux__
.bdrv_ioctl = hdev_ioctl,
@@ -2020,6 +2059,9 @@ static BlockDriver bdrv_host_floppy = {
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
/* removable device support */
.bdrv_is_inserted = floppy_is_inserted,
.bdrv_media_changed = floppy_media_changed,
@@ -2145,6 +2187,9 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
/* removable device support */
.bdrv_is_inserted = cdrom_is_inserted,
.bdrv_eject = cdrom_eject,
@@ -2276,6 +2321,9 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
/* removable device support */
.bdrv_is_inserted = cdrom_is_inserted,
.bdrv_eject = cdrom_eject,
@@ -2283,40 +2331,6 @@ static BlockDriver bdrv_host_cdrom = {
};
#endif /* __FreeBSD__ */
-#ifdef CONFIG_LINUX_AIO
-/**
- * Return the file descriptor for Linux AIO
- *
- * This function is a layering violation and should be removed when it becomes
- * possible to call the block layer outside the global mutex. It allows the
- * caller to hijack the file descriptor so I/O can be performed outside the
- * block layer.
- */
-int raw_get_aio_fd(BlockDriverState *bs)
-{
- BDRVRawState *s;
-
- if (!bs->drv) {
- return -ENOMEDIUM;
- }
-
- if (bs->drv == bdrv_find_format("raw")) {
- bs = bs->file;
- }
-
- /* raw-posix has several protocols so just check for raw_aio_readv */
- if (bs->drv->bdrv_aio_readv != raw_aio_readv) {
- return -ENOTSUP;
- }
-
- s = bs->opaque;
- if (!s->use_aio) {
- return -ENOTSUP;
- }
- return s->fd;
-}
-#endif /* CONFIG_LINUX_AIO */
-
static void bdrv_file_init(void)
{
/*
diff --git a/block/raw-win32.c b/block/raw-win32.c
index 064ea3123c..324e8187f5 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -36,8 +36,6 @@
#define FTYPE_CD 1
#define FTYPE_HARDDISK 2
-static QEMUWin32AIOState *aio;
-
typedef struct RawWin32AIOData {
BlockDriverState *bs;
HANDLE hfile;
@@ -202,6 +200,25 @@ static int set_sparse(int fd)
NULL, 0, NULL, 0, &returned, NULL);
}
+static void raw_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVRawState *s = bs->opaque;
+
+ if (s->aio) {
+ win32_aio_detach_aio_context(s->aio, bdrv_get_aio_context(bs));
+ }
+}
+
+static void raw_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVRawState *s = bs->opaque;
+
+ if (s->aio) {
+ win32_aio_attach_aio_context(s->aio, new_context);
+ }
+}
+
static void raw_probe_alignment(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
@@ -300,15 +317,6 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
raw_parse_flags(flags, &access_flags, &overlapped);
- if ((flags & BDRV_O_NATIVE_AIO) && aio == NULL) {
- aio = win32_aio_init();
- if (aio == NULL) {
- error_setg(errp, "Could not initialize AIO");
- ret = -EINVAL;
- goto fail;
- }
- }
-
if (filename[0] && filename[1] == ':') {
snprintf(s->drive_path, sizeof(s->drive_path), "%c:\\", filename[0]);
} else if (filename[0] == '\\' && filename[1] == '\\') {
@@ -335,13 +343,23 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
}
if (flags & BDRV_O_NATIVE_AIO) {
- ret = win32_aio_attach(aio, s->hfile);
+ s->aio = win32_aio_init();
+ if (s->aio == NULL) {
+ CloseHandle(s->hfile);
+ error_setg(errp, "Could not initialize AIO");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ ret = win32_aio_attach(s->aio, s->hfile);
if (ret < 0) {
+ win32_aio_cleanup(s->aio);
CloseHandle(s->hfile);
error_setg_errno(errp, -ret, "Could not enable AIO");
goto fail;
}
- s->aio = aio;
+
+ win32_aio_attach_aio_context(s->aio, bdrv_get_aio_context(bs));
}
raw_probe_alignment(bs);
@@ -389,6 +407,13 @@ static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs,
static void raw_close(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
+
+ if (s->aio) {
+ win32_aio_detach_aio_context(s->aio, bdrv_get_aio_context(bs));
+ win32_aio_cleanup(s->aio);
+ s->aio = NULL;
+ }
+
CloseHandle(s->hfile);
if (bs->open_flags & BDRV_O_TEMPORARY) {
unlink(bs->filename);
@@ -684,6 +709,9 @@ static BlockDriver bdrv_host_device = {
.bdrv_aio_writev = raw_aio_writev,
.bdrv_aio_flush = raw_aio_flush,
+ .bdrv_detach_aio_context = raw_detach_aio_context,
+ .bdrv_attach_aio_context = raw_attach_aio_context,
+
.bdrv_getlength = raw_getlength,
.has_variable_length = true,
diff --git a/block/rbd.c b/block/rbd.c
index 09af48426e..93639f783c 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -555,7 +555,7 @@ static void qemu_rbd_aio_cancel(BlockDriverAIOCB *blockacb)
acb->cancelled = 1;
while (acb->status == -EINPROGRESS) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(acb->common.bs), true);
}
qemu_aio_release(acb);
@@ -588,7 +588,8 @@ static void rbd_finish_aiocb(rbd_completion_t c, RADOSCB *rcb)
rcb->ret = rbd_aio_get_return_value(c);
rbd_aio_release(c);
- acb->bh = qemu_bh_new(rbd_finish_bh, rcb);
+ acb->bh = aio_bh_new(bdrv_get_aio_context(acb->common.bs),
+ rbd_finish_bh, rcb);
qemu_bh_schedule(acb->bh);
}
@@ -684,13 +685,16 @@ static BlockDriverAIOCB *rbd_start_aio(BlockDriverState *bs,
}
if (r < 0) {
- goto failed;
+ goto failed_completion;
}
return &acb->common;
+failed_completion:
+ rbd_aio_release(c);
failed:
g_free(rcb);
+ qemu_vfree(acb->bounce);
qemu_aio_release(acb);
return NULL;
}
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 4ecbf5f498..1fa19399f0 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -200,6 +200,8 @@ typedef struct SheepdogInode {
uint32_t data_vdi_id[MAX_DATA_OBJS];
} SheepdogInode;
+#define SD_INODE_HEADER_SIZE offsetof(SheepdogInode, data_vdi_id)
+
/*
* 64 bit FNV-1a non-zero initial basis
*/
@@ -282,6 +284,7 @@ typedef struct AIOReq {
unsigned int data_len;
uint8_t flags;
uint32_t id;
+ bool create;
QLIST_ENTRY(AIOReq) aio_siblings;
} AIOReq;
@@ -314,6 +317,7 @@ struct SheepdogAIOCB {
typedef struct BDRVSheepdogState {
BlockDriverState *bs;
+ AioContext *aio_context;
SheepdogInode inode;
@@ -404,7 +408,7 @@ static const char * sd_strerror(int err)
static inline AIOReq *alloc_aio_req(BDRVSheepdogState *s, SheepdogAIOCB *acb,
uint64_t oid, unsigned int data_len,
- uint64_t offset, uint8_t flags,
+ uint64_t offset, uint8_t flags, bool create,
uint64_t base_oid, unsigned int iov_offset)
{
AIOReq *aio_req;
@@ -418,6 +422,7 @@ static inline AIOReq *alloc_aio_req(BDRVSheepdogState *s, SheepdogAIOCB *acb,
aio_req->data_len = data_len;
aio_req->flags = flags;
aio_req->id = s->aioreq_seq_num++;
+ aio_req->create = create;
acb->nr_pending++;
return aio_req;
@@ -496,7 +501,7 @@ static void sd_aio_cancel(BlockDriverAIOCB *blockacb)
sd_finish_aiocb(acb);
return;
}
- qemu_aio_wait();
+ aio_poll(s->aio_context, true);
}
}
@@ -578,6 +583,7 @@ static void restart_co_req(void *opaque)
typedef struct SheepdogReqCo {
int sockfd;
+ AioContext *aio_context;
SheepdogReq *hdr;
void *data;
unsigned int *wlen;
@@ -598,14 +604,14 @@ static coroutine_fn void do_co_req(void *opaque)
unsigned int *rlen = srco->rlen;
co = qemu_coroutine_self();
- qemu_aio_set_fd_handler(sockfd, NULL, restart_co_req, co);
+ aio_set_fd_handler(srco->aio_context, sockfd, NULL, restart_co_req, co);
ret = send_co_req(sockfd, hdr, data, wlen);
if (ret < 0) {
goto out;
}
- qemu_aio_set_fd_handler(sockfd, restart_co_req, NULL, co);
+ aio_set_fd_handler(srco->aio_context, sockfd, restart_co_req, NULL, co);
ret = qemu_co_recv(sockfd, hdr, sizeof(*hdr));
if (ret != sizeof(*hdr)) {
@@ -630,18 +636,19 @@ static coroutine_fn void do_co_req(void *opaque)
out:
/* there is at most one request for this sockfd, so it is safe to
* set each handler to NULL. */
- qemu_aio_set_fd_handler(sockfd, NULL, NULL, NULL);
+ aio_set_fd_handler(srco->aio_context, sockfd, NULL, NULL, NULL);
srco->ret = ret;
srco->finished = true;
}
-static int do_req(int sockfd, SheepdogReq *hdr, void *data,
- unsigned int *wlen, unsigned int *rlen)
+static int do_req(int sockfd, AioContext *aio_context, SheepdogReq *hdr,
+ void *data, unsigned int *wlen, unsigned int *rlen)
{
Coroutine *co;
SheepdogReqCo srco = {
.sockfd = sockfd,
+ .aio_context = aio_context,
.hdr = hdr,
.data = data,
.wlen = wlen,
@@ -656,7 +663,7 @@ static int do_req(int sockfd, SheepdogReq *hdr, void *data,
co = qemu_coroutine_create(do_co_req);
qemu_coroutine_enter(co, &srco);
while (!srco.finished) {
- qemu_aio_wait();
+ aio_poll(aio_context, true);
}
}
@@ -664,8 +671,8 @@ static int do_req(int sockfd, SheepdogReq *hdr, void *data,
}
static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
- struct iovec *iov, int niov, bool create,
- enum AIOCBState aiocb_type);
+ struct iovec *iov, int niov,
+ enum AIOCBState aiocb_type);
static void coroutine_fn resend_aioreq(BDRVSheepdogState *s, AIOReq *aio_req);
static int reload_inode(BDRVSheepdogState *s, uint32_t snapid, const char *tag);
static int get_sheep_fd(BDRVSheepdogState *s, Error **errp);
@@ -698,7 +705,7 @@ static void coroutine_fn send_pending_req(BDRVSheepdogState *s, uint64_t oid)
/* move aio_req from pending list to inflight one */
QLIST_REMOVE(aio_req, aio_siblings);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
- add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov, false,
+ add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov,
acb->aiocb_type);
}
}
@@ -709,7 +716,7 @@ static coroutine_fn void reconnect_to_sdog(void *opaque)
BDRVSheepdogState *s = opaque;
AIOReq *aio_req, *next;
- qemu_aio_set_fd_handler(s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, s->fd, NULL, NULL, NULL);
close(s->fd);
s->fd = -1;
@@ -797,7 +804,7 @@ static void coroutine_fn aio_read_response(void *opaque)
}
idx = data_oid_to_idx(aio_req->oid);
- if (s->inode.data_vdi_id[idx] != s->inode.vdi_id) {
+ if (aio_req->create) {
/*
* If the object is newly created one, we need to update
* the vdi object (metadata object). min_dirty_data_idx
@@ -922,7 +929,7 @@ static int get_sheep_fd(BDRVSheepdogState *s, Error **errp)
return fd;
}
- qemu_aio_set_fd_handler(fd, co_read_response, NULL, s);
+ aio_set_fd_handler(s->aio_context, fd, co_read_response, NULL, s);
return fd;
}
@@ -1092,7 +1099,7 @@ static int find_vdi_name(BDRVSheepdogState *s, const char *filename,
hdr.snapid = snapid;
hdr.flags = SD_FLAG_CMD_WRITE;
- ret = do_req(fd, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
+ ret = do_req(fd, s->aio_context, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
if (ret) {
error_setg_errno(errp, -ret, "cannot get vdi info");
goto out;
@@ -1117,8 +1124,8 @@ out:
}
static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
- struct iovec *iov, int niov, bool create,
- enum AIOCBState aiocb_type)
+ struct iovec *iov, int niov,
+ enum AIOCBState aiocb_type)
{
int nr_copies = s->inode.nr_copies;
SheepdogObjReq hdr;
@@ -1129,6 +1136,7 @@ static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
uint64_t offset = aio_req->offset;
uint8_t flags = aio_req->flags;
uint64_t old_oid = aio_req->base_oid;
+ bool create = aio_req->create;
if (!nr_copies) {
error_report("bug");
@@ -1173,7 +1181,8 @@ static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
qemu_co_mutex_lock(&s->lock);
s->co_send = qemu_coroutine_self();
- qemu_aio_set_fd_handler(s->fd, co_read_response, co_write_request, s);
+ aio_set_fd_handler(s->aio_context, s->fd,
+ co_read_response, co_write_request, s);
socket_set_cork(s->fd, 1);
/* send a header */
@@ -1191,12 +1200,13 @@ static void coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
}
out:
socket_set_cork(s->fd, 0);
- qemu_aio_set_fd_handler(s->fd, co_read_response, NULL, s);
+ aio_set_fd_handler(s->aio_context, s->fd, co_read_response, NULL, s);
s->co_send = NULL;
qemu_co_mutex_unlock(&s->lock);
}
-static int read_write_object(int fd, char *buf, uint64_t oid, uint8_t copies,
+static int read_write_object(int fd, AioContext *aio_context, char *buf,
+ uint64_t oid, uint8_t copies,
unsigned int datalen, uint64_t offset,
bool write, bool create, uint32_t cache_flags)
{
@@ -1229,7 +1239,7 @@ static int read_write_object(int fd, char *buf, uint64_t oid, uint8_t copies,
hdr.offset = offset;
hdr.copies = copies;
- ret = do_req(fd, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
+ ret = do_req(fd, aio_context, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
if (ret) {
error_report("failed to send a request to the sheep");
return ret;
@@ -1244,19 +1254,23 @@ static int read_write_object(int fd, char *buf, uint64_t oid, uint8_t copies,
}
}
-static int read_object(int fd, char *buf, uint64_t oid, uint8_t copies,
+static int read_object(int fd, AioContext *aio_context, char *buf,
+ uint64_t oid, uint8_t copies,
unsigned int datalen, uint64_t offset,
uint32_t cache_flags)
{
- return read_write_object(fd, buf, oid, copies, datalen, offset, false,
+ return read_write_object(fd, aio_context, buf, oid, copies,
+ datalen, offset, false,
false, cache_flags);
}
-static int write_object(int fd, char *buf, uint64_t oid, uint8_t copies,
+static int write_object(int fd, AioContext *aio_context, char *buf,
+ uint64_t oid, uint8_t copies,
unsigned int datalen, uint64_t offset, bool create,
uint32_t cache_flags)
{
- return read_write_object(fd, buf, oid, copies, datalen, offset, true,
+ return read_write_object(fd, aio_context, buf, oid, copies,
+ datalen, offset, true,
create, cache_flags);
}
@@ -1275,7 +1289,7 @@ static int reload_inode(BDRVSheepdogState *s, uint32_t snapid, const char *tag)
return -EIO;
}
- inode = g_malloc(sizeof(s->inode));
+ inode = g_malloc(SD_INODE_HEADER_SIZE);
ret = find_vdi_name(s, s->name, snapid, tag, &vid, false, &local_err);
if (ret) {
@@ -1284,14 +1298,15 @@ static int reload_inode(BDRVSheepdogState *s, uint32_t snapid, const char *tag)
goto out;
}
- ret = read_object(fd, (char *)inode, vid_to_vdi_oid(vid),
- s->inode.nr_copies, sizeof(*inode), 0, s->cache_flags);
+ ret = read_object(fd, s->aio_context, (char *)inode, vid_to_vdi_oid(vid),
+ s->inode.nr_copies, SD_INODE_HEADER_SIZE, 0,
+ s->cache_flags);
if (ret < 0) {
goto out;
}
if (inode->vdi_id != s->inode.vdi_id) {
- memcpy(&s->inode, inode, sizeof(s->inode));
+ memcpy(&s->inode, inode, SD_INODE_HEADER_SIZE);
}
out:
@@ -1315,6 +1330,7 @@ static bool check_simultaneous_create(BDRVSheepdogState *s, AIOReq *aio_req)
DPRINTF("simultaneous create to %" PRIx64 "\n", aio_req->oid);
aio_req->flags = 0;
aio_req->base_oid = 0;
+ aio_req->create = false;
QLIST_REMOVE(aio_req, aio_siblings);
QLIST_INSERT_HEAD(&s->pending_aio_head, aio_req, aio_siblings);
return true;
@@ -1327,7 +1343,8 @@ static bool check_simultaneous_create(BDRVSheepdogState *s, AIOReq *aio_req)
static void coroutine_fn resend_aioreq(BDRVSheepdogState *s, AIOReq *aio_req)
{
SheepdogAIOCB *acb = aio_req->aiocb;
- bool create = false;
+
+ aio_req->create = false;
/* check whether this request becomes a CoW one */
if (acb->aiocb_type == AIOCB_WRITE_UDATA && is_data_obj(aio_req->oid)) {
@@ -1345,20 +1362,36 @@ static void coroutine_fn resend_aioreq(BDRVSheepdogState *s, AIOReq *aio_req)
aio_req->base_oid = vid_to_data_oid(s->inode.data_vdi_id[idx], idx);
aio_req->flags |= SD_FLAG_CMD_COW;
}
- create = true;
+ aio_req->create = true;
}
out:
if (is_data_obj(aio_req->oid)) {
- add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov, create,
+ add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov,
acb->aiocb_type);
} else {
struct iovec iov;
iov.iov_base = &s->inode;
iov.iov_len = sizeof(s->inode);
- add_aio_request(s, aio_req, &iov, 1, false, AIOCB_WRITE_UDATA);
+ add_aio_request(s, aio_req, &iov, 1, AIOCB_WRITE_UDATA);
}
}
+static void sd_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVSheepdogState *s = bs->opaque;
+
+ aio_set_fd_handler(s->aio_context, s->fd, NULL, NULL, NULL);
+}
+
+static void sd_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVSheepdogState *s = bs->opaque;
+
+ s->aio_context = new_context;
+ aio_set_fd_handler(new_context, s->fd, co_read_response, NULL, s);
+}
+
/* TODO Convert to fine grained options */
static QemuOptsList runtime_opts = {
.name = "sheepdog",
@@ -1387,6 +1420,7 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
const char *filename;
s->bs = bs;
+ s->aio_context = bdrv_get_aio_context(bs);
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
@@ -1448,8 +1482,8 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
}
buf = g_malloc(SD_INODE_SIZE);
- ret = read_object(fd, buf, vid_to_vdi_oid(vid), 0, SD_INODE_SIZE, 0,
- s->cache_flags);
+ ret = read_object(fd, s->aio_context, buf, vid_to_vdi_oid(vid),
+ 0, SD_INODE_SIZE, 0, s->cache_flags);
closesocket(fd);
@@ -1469,7 +1503,7 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
g_free(buf);
return 0;
out:
- qemu_aio_set_fd_handler(s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd, NULL, NULL, NULL);
if (s->fd >= 0) {
closesocket(s->fd);
}
@@ -1512,7 +1546,7 @@ static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot,
hdr.copy_policy = s->inode.copy_policy;
hdr.copies = s->inode.nr_copies;
- ret = do_req(fd, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
+ ret = do_req(fd, s->aio_context, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
closesocket(fd);
@@ -1766,7 +1800,8 @@ static void sd_close(BlockDriverState *bs)
hdr.data_length = wlen;
hdr.flags = SD_FLAG_CMD_WRITE;
- ret = do_req(fd, (SheepdogReq *)&hdr, s->name, &wlen, &rlen);
+ ret = do_req(fd, s->aio_context, (SheepdogReq *)&hdr,
+ s->name, &wlen, &rlen);
closesocket(fd);
@@ -1775,7 +1810,7 @@ static void sd_close(BlockDriverState *bs)
error_report("%s, %s", sd_strerror(rsp->result), s->name);
}
- qemu_aio_set_fd_handler(s->fd, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd, NULL, NULL, NULL);
closesocket(s->fd);
g_free(s->host_spec);
}
@@ -1812,8 +1847,9 @@ static int sd_truncate(BlockDriverState *bs, int64_t offset)
/* we don't need to update entire object */
datalen = SD_INODE_SIZE - sizeof(s->inode.data_vdi_id);
s->inode.vdi_size = offset;
- ret = write_object(fd, (char *)&s->inode, vid_to_vdi_oid(s->inode.vdi_id),
- s->inode.nr_copies, datalen, 0, false, s->cache_flags);
+ ret = write_object(fd, s->aio_context, (char *)&s->inode,
+ vid_to_vdi_oid(s->inode.vdi_id), s->inode.nr_copies,
+ datalen, 0, false, s->cache_flags);
close(fd);
if (ret < 0) {
@@ -1849,9 +1885,9 @@ static void coroutine_fn sd_write_done(SheepdogAIOCB *acb)
iov.iov_base = &s->inode;
iov.iov_len = sizeof(s->inode);
aio_req = alloc_aio_req(s, acb, vid_to_vdi_oid(s->inode.vdi_id),
- data_len, offset, 0, 0, offset);
+ data_len, offset, 0, false, 0, offset);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
- add_aio_request(s, aio_req, &iov, 1, false, AIOCB_WRITE_UDATA);
+ add_aio_request(s, aio_req, &iov, 1, AIOCB_WRITE_UDATA);
acb->aio_done_func = sd_finish_aiocb;
acb->aiocb_type = AIOCB_WRITE_UDATA;
@@ -1882,7 +1918,8 @@ static bool sd_delete(BDRVSheepdogState *s)
return false;
}
- ret = do_req(fd, (SheepdogReq *)&hdr, s->name, &wlen, &rlen);
+ ret = do_req(fd, s->aio_context, (SheepdogReq *)&hdr,
+ s->name, &wlen, &rlen);
closesocket(fd);
if (ret) {
return false;
@@ -1939,8 +1976,8 @@ static int sd_create_branch(BDRVSheepdogState *s)
goto out;
}
- ret = read_object(fd, buf, vid_to_vdi_oid(vid), s->inode.nr_copies,
- SD_INODE_SIZE, 0, s->cache_flags);
+ ret = read_object(fd, s->aio_context, buf, vid_to_vdi_oid(vid),
+ s->inode.nr_copies, SD_INODE_SIZE, 0, s->cache_flags);
closesocket(fd);
@@ -2049,7 +2086,8 @@ static int coroutine_fn sd_co_rw_vector(void *p)
DPRINTF("new oid %" PRIx64 "\n", oid);
}
- aio_req = alloc_aio_req(s, acb, oid, len, offset, flags, old_oid, done);
+ aio_req = alloc_aio_req(s, acb, oid, len, offset, flags, create,
+ old_oid, done);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
if (create) {
@@ -2058,7 +2096,7 @@ static int coroutine_fn sd_co_rw_vector(void *p)
}
}
- add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov, create,
+ add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov,
acb->aiocb_type);
done:
offset = 0;
@@ -2138,9 +2176,9 @@ static int coroutine_fn sd_co_flush_to_disk(BlockDriverState *bs)
acb->aio_done_func = sd_finish_aiocb;
aio_req = alloc_aio_req(s, acb, vid_to_vdi_oid(s->inode.vdi_id),
- 0, 0, 0, 0, 0);
+ 0, 0, 0, false, 0, 0);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
- add_aio_request(s, aio_req, NULL, 0, false, acb->aiocb_type);
+ add_aio_request(s, aio_req, NULL, 0, acb->aiocb_type);
qemu_coroutine_yield();
return acb->ret;
@@ -2187,8 +2225,9 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
goto cleanup;
}
- ret = write_object(fd, (char *)&s->inode, vid_to_vdi_oid(s->inode.vdi_id),
- s->inode.nr_copies, datalen, 0, false, s->cache_flags);
+ ret = write_object(fd, s->aio_context, (char *)&s->inode,
+ vid_to_vdi_oid(s->inode.vdi_id), s->inode.nr_copies,
+ datalen, 0, false, s->cache_flags);
if (ret < 0) {
error_report("failed to write snapshot's inode.");
goto cleanup;
@@ -2203,8 +2242,9 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
goto cleanup;
}
- ret = read_object(fd, (char *)inode, vid_to_vdi_oid(new_vid),
- s->inode.nr_copies, datalen, 0, s->cache_flags);
+ ret = read_object(fd, s->aio_context, (char *)inode,
+ vid_to_vdi_oid(new_vid), s->inode.nr_copies, datalen, 0,
+ s->cache_flags);
if (ret < 0) {
error_report("failed to read new inode info. %s", strerror(errno));
@@ -2311,7 +2351,8 @@ static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
req.opcode = SD_OP_READ_VDIS;
req.data_length = max;
- ret = do_req(fd, (SheepdogReq *)&req, vdi_inuse, &wlen, &rlen);
+ ret = do_req(fd, s->aio_context, (SheepdogReq *)&req,
+ vdi_inuse, &wlen, &rlen);
closesocket(fd);
if (ret) {
@@ -2338,7 +2379,8 @@ static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
}
/* we don't need to read entire object */
- ret = read_object(fd, (char *)&inode, vid_to_vdi_oid(vid),
+ ret = read_object(fd, s->aio_context, (char *)&inode,
+ vid_to_vdi_oid(vid),
0, SD_INODE_SIZE - sizeof(inode.data_vdi_id), 0,
s->cache_flags);
@@ -2403,11 +2445,11 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
create = (offset == 0);
if (load) {
- ret = read_object(fd, (char *)data, vmstate_oid,
+ ret = read_object(fd, s->aio_context, (char *)data, vmstate_oid,
s->inode.nr_copies, data_len, offset,
s->cache_flags);
} else {
- ret = write_object(fd, (char *)data, vmstate_oid,
+ ret = write_object(fd, s->aio_context, (char *)data, vmstate_oid,
s->inode.nr_copies, data_len, offset, create,
s->cache_flags);
}
@@ -2580,6 +2622,9 @@ static BlockDriver bdrv_sheepdog = {
.bdrv_save_vmstate = sd_save_vmstate,
.bdrv_load_vmstate = sd_load_vmstate,
+ .bdrv_detach_aio_context = sd_detach_aio_context,
+ .bdrv_attach_aio_context = sd_attach_aio_context,
+
.create_options = sd_create_options,
};
@@ -2610,6 +2655,9 @@ static BlockDriver bdrv_sheepdog_tcp = {
.bdrv_save_vmstate = sd_save_vmstate,
.bdrv_load_vmstate = sd_load_vmstate,
+ .bdrv_detach_aio_context = sd_detach_aio_context,
+ .bdrv_attach_aio_context = sd_attach_aio_context,
+
.create_options = sd_create_options,
};
@@ -2640,6 +2688,9 @@ static BlockDriver bdrv_sheepdog_unix = {
.bdrv_save_vmstate = sd_save_vmstate,
.bdrv_load_vmstate = sd_load_vmstate,
+ .bdrv_detach_aio_context = sd_detach_aio_context,
+ .bdrv_attach_aio_context = sd_attach_aio_context,
+
.create_options = sd_create_options,
};
diff --git a/block/ssh.c b/block/ssh.c
index b2129714bc..9779eac2bd 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -773,7 +773,7 @@ static void restart_coroutine(void *opaque)
qemu_coroutine_enter(co, NULL);
}
-static coroutine_fn void set_fd_handler(BDRVSSHState *s)
+static coroutine_fn void set_fd_handler(BDRVSSHState *s, BlockDriverState *bs)
{
int r;
IOHandler *rd_handler = NULL, *wr_handler = NULL;
@@ -791,24 +791,26 @@ static coroutine_fn void set_fd_handler(BDRVSSHState *s)
DPRINTF("s->sock=%d rd_handler=%p wr_handler=%p", s->sock,
rd_handler, wr_handler);
- qemu_aio_set_fd_handler(s->sock, rd_handler, wr_handler, co);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->sock,
+ rd_handler, wr_handler, co);
}
-static coroutine_fn void clear_fd_handler(BDRVSSHState *s)
+static coroutine_fn void clear_fd_handler(BDRVSSHState *s,
+ BlockDriverState *bs)
{
DPRINTF("s->sock=%d", s->sock);
- qemu_aio_set_fd_handler(s->sock, NULL, NULL, NULL);
+ aio_set_fd_handler(bdrv_get_aio_context(bs), s->sock, NULL, NULL, NULL);
}
/* A non-blocking call returned EAGAIN, so yield, ensuring the
* handlers are set up so that we'll be rescheduled when there is an
* interesting event on the socket.
*/
-static coroutine_fn void co_yield(BDRVSSHState *s)
+static coroutine_fn void co_yield(BDRVSSHState *s, BlockDriverState *bs)
{
- set_fd_handler(s);
+ set_fd_handler(s, bs);
qemu_coroutine_yield();
- clear_fd_handler(s);
+ clear_fd_handler(s, bs);
}
/* SFTP has a function `libssh2_sftp_seek64' which seeks to a position
@@ -838,7 +840,7 @@ static void ssh_seek(BDRVSSHState *s, int64_t offset, int flags)
}
}
-static coroutine_fn int ssh_read(BDRVSSHState *s,
+static coroutine_fn int ssh_read(BDRVSSHState *s, BlockDriverState *bs,
int64_t offset, size_t size,
QEMUIOVector *qiov)
{
@@ -871,7 +873,7 @@ static coroutine_fn int ssh_read(BDRVSSHState *s,
DPRINTF("sftp_read returned %zd", r);
if (r == LIBSSH2_ERROR_EAGAIN || r == LIBSSH2_ERROR_TIMEOUT) {
- co_yield(s);
+ co_yield(s, bs);
goto again;
}
if (r < 0) {
@@ -906,14 +908,14 @@ static coroutine_fn int ssh_co_readv(BlockDriverState *bs,
int ret;
qemu_co_mutex_lock(&s->lock);
- ret = ssh_read(s, sector_num * BDRV_SECTOR_SIZE,
+ ret = ssh_read(s, bs, sector_num * BDRV_SECTOR_SIZE,
nb_sectors * BDRV_SECTOR_SIZE, qiov);
qemu_co_mutex_unlock(&s->lock);
return ret;
}
-static int ssh_write(BDRVSSHState *s,
+static int ssh_write(BDRVSSHState *s, BlockDriverState *bs,
int64_t offset, size_t size,
QEMUIOVector *qiov)
{
@@ -941,7 +943,7 @@ static int ssh_write(BDRVSSHState *s,
DPRINTF("sftp_write returned %zd", r);
if (r == LIBSSH2_ERROR_EAGAIN || r == LIBSSH2_ERROR_TIMEOUT) {
- co_yield(s);
+ co_yield(s, bs);
goto again;
}
if (r < 0) {
@@ -960,7 +962,7 @@ static int ssh_write(BDRVSSHState *s,
*/
if (r == 0) {
ssh_seek(s, offset + written, SSH_SEEK_WRITE|SSH_SEEK_FORCE);
- co_yield(s);
+ co_yield(s, bs);
goto again;
}
@@ -988,7 +990,7 @@ static coroutine_fn int ssh_co_writev(BlockDriverState *bs,
int ret;
qemu_co_mutex_lock(&s->lock);
- ret = ssh_write(s, sector_num * BDRV_SECTOR_SIZE,
+ ret = ssh_write(s, bs, sector_num * BDRV_SECTOR_SIZE,
nb_sectors * BDRV_SECTOR_SIZE, qiov);
qemu_co_mutex_unlock(&s->lock);
@@ -1009,7 +1011,7 @@ static void unsafe_flush_warning(BDRVSSHState *s, const char *what)
#ifdef HAS_LIBSSH2_SFTP_FSYNC
-static coroutine_fn int ssh_flush(BDRVSSHState *s)
+static coroutine_fn int ssh_flush(BDRVSSHState *s, BlockDriverState *bs)
{
int r;
@@ -1017,7 +1019,7 @@ static coroutine_fn int ssh_flush(BDRVSSHState *s)
again:
r = libssh2_sftp_fsync(s->sftp_handle);
if (r == LIBSSH2_ERROR_EAGAIN || r == LIBSSH2_ERROR_TIMEOUT) {
- co_yield(s);
+ co_yield(s, bs);
goto again;
}
if (r == LIBSSH2_ERROR_SFTP_PROTOCOL &&
@@ -1039,7 +1041,7 @@ static coroutine_fn int ssh_co_flush(BlockDriverState *bs)
int ret;
qemu_co_mutex_lock(&s->lock);
- ret = ssh_flush(s);
+ ret = ssh_flush(s, bs);
qemu_co_mutex_unlock(&s->lock);
return ret;
diff --git a/block/vmdk.c b/block/vmdk.c
index 2b38f61fcd..b8a476278a 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -2096,6 +2096,27 @@ static int vmdk_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
return 0;
}
+static void vmdk_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_detach_aio_context(s->extents[i].file);
+ }
+}
+
+static void vmdk_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_attach_aio_context(s->extents[i].file, new_context);
+ }
+}
+
static QEMUOptionParameter vmdk_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -2153,6 +2174,8 @@ static BlockDriver bdrv_vmdk = {
.bdrv_get_specific_info = vmdk_get_specific_info,
.bdrv_refresh_limits = vmdk_refresh_limits,
.bdrv_get_info = vmdk_get_info,
+ .bdrv_detach_aio_context = vmdk_detach_aio_context,
+ .bdrv_attach_aio_context = vmdk_attach_aio_context,
.create_options = vmdk_create_options,
};
diff --git a/block/win32-aio.c b/block/win32-aio.c
index 5d1d199b61..8e417f70ae 100644
--- a/block/win32-aio.c
+++ b/block/win32-aio.c
@@ -40,6 +40,7 @@ struct QEMUWin32AIOState {
HANDLE hIOCP;
EventNotifier e;
int count;
+ bool is_aio_context_attached;
};
typedef struct QEMUWin32AIOCB {
@@ -114,7 +115,7 @@ static void win32_aio_cancel(BlockDriverAIOCB *blockacb)
* wait for completion.
*/
while (!HasOverlappedIoCompleted(&waiocb->ov)) {
- qemu_aio_wait();
+ aio_poll(bdrv_get_aio_context(blockacb->bs), true);
}
}
@@ -180,6 +181,20 @@ int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile)
}
}
+void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
+ AioContext *old_context)
+{
+ aio_set_event_notifier(old_context, &aio->e, NULL);
+ aio->is_aio_context_attached = false;
+}
+
+void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
+ AioContext *new_context)
+{
+ aio->is_aio_context_attached = true;
+ aio_set_event_notifier(new_context, &aio->e, win32_aio_completion_cb);
+}
+
QEMUWin32AIOState *win32_aio_init(void)
{
QEMUWin32AIOState *s;
@@ -194,8 +209,6 @@ QEMUWin32AIOState *win32_aio_init(void)
goto out_close_efd;
}
- qemu_aio_set_event_notifier(&s->e, win32_aio_completion_cb);
-
return s;
out_close_efd:
@@ -204,3 +217,11 @@ out_free_state:
g_free(s);
return NULL;
}
+
+void win32_aio_cleanup(QEMUWin32AIOState *aio)
+{
+ assert(!aio->is_aio_context_attached);
+ CloseHandle(aio->hIOCP);
+ event_notifier_cleanup(&aio->e);
+ g_free(aio);
+}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-09 19:16:55 +0000