Displaying 20 results from an estimated 44 matches for "bio_put".
2019 Jul 24
1
[PATCH 03/12] block: bio_release_pages: use flags arg instead of bool
...p;& !PageCompound(bvec->bv_page))
set_page_dirty_lock(bvec->bv_page);
put_page(bvec->bv_page);
}
@@ -1421,7 +1421,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
return bio;
out_unmap:
- bio_release_pages(bio, false);
+ bio_release_pages(bio, BIO_RP_NORMAL);
bio_put(bio);
return ERR_PTR(ret);
}
@@ -1437,7 +1437,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
*/
void bio_unmap_user(struct bio *bio)
{
- bio_release_pages(bio, bio_data_dir(bio) == READ);
+ bio_release_pages(bio, bio_rp_dirty_flag(bio_data_dir(bio) == READ));
bio_put(bio);
bi...
2019 Jul 24
20
[PATCH 00/12] block/bio, fs: convert put_page() to put_user_page*()
From: John Hubbard <jhubbard at nvidia.com>
Hi,
This is mostly Jerome's work, converting the block/bio and related areas
to call put_user_page*() instead of put_page(). Because I've changed
Jerome's patches, in some cases significantly, I'd like to get his
feedback before we actually leave him listed as the author (he might
want to disown some or all of these).
I added a
2019 Jul 24
20
[PATCH 00/12] block/bio, fs: convert put_page() to put_user_page*()
From: John Hubbard <jhubbard at nvidia.com>
Hi,
This is mostly Jerome's work, converting the block/bio and related areas
to call put_user_page*() instead of put_page(). Because I've changed
Jerome's patches, in some cases significantly, I'd like to get his
feedback before we actually leave him listed as the author (he might
want to disown some or all of these).
I added a
2008 Apr 05
0
[PATCH] bio_endio support for linux 2.6.23 and older.
...end_bio_multi_stripe(struct b
err = multi->error;
kfree(multi);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
+ bio_endio(bio, bio->bi_size, err);
+#else
bio_endio(bio, err);
+#endif
} else {
bio_put(bio);
}
Kind regards,
--
Miguel Sousa Filipe
2008 May 28
0
I/O performance problem using LVM mirrors to back phy: devices
...symbol name
32 91.4286 15 93.7500 0 0 xen-syms-2.6.18-53.1.14.el5.debug pit_read_counter
1 2.8571 0 0 0 0 ahci (no symbols)
1 2.8571 0 0 0 0 vmlinux bio_put
1 2.8571 0 0 0 0 vmlinux hypercall_page
>From this, it seemed clear that the culprit was in the
pit_read_counter function.
Any ideas on where to take it from here?
Credit to Chris Takemura <chris@prgmr.com> for repeating the pro...
2009 Sep 29
0
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
...*vblk, void *opaque)
+{
+ struct request *req;
+ struct bio *bio;
+
+ bio = bio_map_kern(vblk->disk->queue, opaque, VIRTIO_BLK_ID_BYTES,
+ GFP_KERNEL);
+ if (IS_ERR(bio))
+ return PTR_ERR(bio);
+
+ req = blk_make_request(vblk->disk->queue, bio, GFP_KERNEL);
+ if (IS_ERR(req)) {
+ bio_put(bio);
+ return PTR_ERR(req);
+ }
+
+ /* This is actually a special request. */
+ req->cmd_type = REQ_TYPE_SPECIAL;
+ return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
+}
+
+static int virtblk_identify(struct gendisk *disk, void __user *argp)
{
struct virtio_blk *vblk...
2009 Sep 29
0
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
...*vblk, void *opaque)
+{
+ struct request *req;
+ struct bio *bio;
+
+ bio = bio_map_kern(vblk->disk->queue, opaque, VIRTIO_BLK_ID_BYTES,
+ GFP_KERNEL);
+ if (IS_ERR(bio))
+ return PTR_ERR(bio);
+
+ req = blk_make_request(vblk->disk->queue, bio, GFP_KERNEL);
+ if (IS_ERR(req)) {
+ bio_put(bio);
+ return PTR_ERR(req);
+ }
+
+ /* This is actually a special request. */
+ req->cmd_type = REQ_TYPE_SPECIAL;
+ return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
+}
+
+static int virtblk_identify(struct gendisk *disk, void __user *argp)
{
struct virtio_blk *vblk...
2008 May 30
5
[PATCH 1/4] pvSCSI driver
pvSCSI backend driver
Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
Signed-off-by: Jun Kamada <kama@jp.fujitsu.com>
-----
Jun Kamada
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel
2012 Oct 09
2
[PATCH] vhost-blk: Add vhost-blk support v2
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+ if (!req->pl)
+ return;
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+ if (!req->write)
+ set_p...
2012 Oct 09
2
[PATCH] vhost-blk: Add vhost-blk support v2
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+ if (!req->pl)
+ return;
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+ if (!req->write)
+ set_p...
2012 Nov 19
1
[PATCH] vhost-blk: Add vhost-blk support v5
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2012 Nov 19
1
[PATCH] vhost-blk: Add vhost-blk support v5
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2012 Oct 15
2
[PATCH 1/1] vhost-blk: Add vhost-blk support v4
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2012 Oct 15
2
[PATCH 1/1] vhost-blk: Add vhost-blk support v4
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2006 Oct 23
2
Re: BUG in fs/bio.c:99
...pkgs to 4.4
(34.x.x to 42.x.x) i get the same issue.
The call trace (taken from 1419 id. at bug tracker and re-pasted here)
is almost allways the same, and it happends normally when lot of i/o
work is performed on an USB external disk, locally or via NFS/exported.
Call Trace:
[<c016deb4>] bio_put+0x27/0x28
[<c016d698>] end_bio_bh_io_sync+0x33/0x37
[<c016ea55>] bio_endio+0x4f/0x54
[<c0251ce5>] __end_that_request_first+0xea/0x1ab
[<d841cdd1>] scsi_end_request+0x1b/0x174 [scsi_mod]
[<d841d268>] scsi_io_completion+0x20b/0x417 [scsi_mod]
[<d841800c>] scs...
2012 Oct 10
0
[PATCH] vhost-blk: Add vhost-blk support v3
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2012 Oct 10
0
[PATCH] vhost-blk: Add vhost-blk support v3
...io *bio, int err)
+{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ wake_up_process(blk->host_kick);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+
+ if (!req->pl) {
+ kfree(req->bio);
+ return;
+ }
+
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+...
2012 May 25
6
[PATCH v5 0/3] Btrfs: add IO error device stats
Changes v1-v2:
- Remove restriction that BTRFS_IOC_GET_DEVICE_STATS is a privileged
operation
- Cast u64 to unsigned long long for printf()
Changes v2-v3:
- Rebased on Chris'' current master
Changes v3-v4:
- Add padding at end of ioctl structure
Changes v4-v5:
- The statistic members in the ioctl are now organized as an array of
64 bit values. Symbolic names for the array indexes
2012 Dec 02
3
[PATCH] vhost-blk: Add vhost-blk support v6
...{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ vhost_work_queue(&blk->dev, &blk->work);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+ if (req->pl) {
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+ if (!req->write)
+ set_page_dir...
2012 Dec 02
3
[PATCH] vhost-blk: Add vhost-blk support v6
...{
+ struct vhost_blk_req *req = bio->bi_private;
+ struct vhost_blk *blk = req->blk;
+
+ if (err)
+ req->len = err;
+
+ if (atomic_dec_and_test(&req->bio_nr)) {
+ llist_add(&req->llnode, &blk->llhead);
+ vhost_work_queue(&blk->dev, &blk->work);
+ }
+
+ bio_put(bio);
+}
+
+static void vhost_blk_req_umap(struct vhost_blk_req *req)
+{
+ struct req_page_list *pl;
+ int i, j;
+
+ if (req->pl) {
+ for (i = 0; i < req->iov_nr; i++) {
+ pl = &req->pl[i];
+ for (j = 0; j < pl->pages_nr; j++) {
+ if (!req->write)
+ set_page_dir...