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Merge 19901165d9 ("Merge tag 'for-5.16/inode-sync-2021-10-29' of git://git.kernel.dk/linux-block") into android-mainline

Browse Source 
Steps on the way to 5.16-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie95f85e5a3b9d22f1b3473f2771f6e050a75f84a
This commit is contained in:
Greg Kroah-Hartman
2021-11-03 11:40:59 +01:00
parent 61be9be439 19901165d9
commit 625ef9a5f2
52 changed files with 279 additions and 345 deletions
Download Patch File Download Diff File Expand all files Collapse all files
block/bdev.c
+20 -8
View File
@@ -185,14 +185,13 @@ int sb_min_blocksize(struct super_block *sb, int size)
EXPORT_SYMBOL(sb_min_blocksize);
int __sync_blockdev(struct block_device *bdev, int wait)
int sync_blockdev_nowait(struct block_device *bdev)
{
if (!bdev)
return 0;
if (!wait)
return filemap_flush(bdev->bd_inode->i_mapping);
return filemap_write_and_wait(bdev->bd_inode->i_mapping);
return filemap_flush(bdev->bd_inode->i_mapping);
}
EXPORT_SYMBOL_GPL(sync_blockdev_nowait);
/*
* Write out and wait upon all the dirty data associated with a block
@@ -200,7 +199,9 @@ int __sync_blockdev(struct block_device *bdev, int wait)
*/
int sync_blockdev(struct block_device *bdev)
{
return __sync_blockdev(bdev, 1);
if (!bdev)
return 0;
return filemap_write_and_wait(bdev->bd_inode->i_mapping);
}
EXPORT_SYMBOL(sync_blockdev);
@@ -1020,7 +1021,7 @@ int __invalidate_device(struct block_device *bdev, bool kill_dirty)
}
EXPORT_SYMBOL(__invalidate_device);
void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
void sync_bdevs(bool wait)
{
struct inode *inode, *old_inode = NULL;
@@ -1051,8 +1052,19 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
bdev = I_BDEV(inode);
mutex_lock(&bdev->bd_disk->open_mutex);
if (bdev->bd_openers)
func(bdev, arg);
if (!bdev->bd_openers) {
; /* skip */
} else if (wait) {
/*
* We keep the error status of individual mapping so
* that applications can catch the writeback error using
* fsync(2). See filemap_fdatawait_keep_errors() for
* details.
*/
filemap_fdatawait_keep_errors(inode->i_mapping);
} else {
filemap_fdatawrite(inode->i_mapping);
}
mutex_unlock(&bdev->bd_disk->open_mutex);
spin_lock(&blockdev_superblock->s_inode_list_lock);
block/blk-core.c
-28
View File
@@ -597,34 +597,6 @@ bool blk_get_queue(struct request_queue *q)
}
EXPORT_SYMBOL(blk_get_queue);
/**
* blk_get_request - allocate a request
* @q: request queue to allocate a request for
* @op: operation (REQ_OP_*) and REQ_* flags, e.g. REQ_SYNC.
* @flags: BLK_MQ_REQ_* flags, e.g. BLK_MQ_REQ_NOWAIT.
*/
struct request *blk_get_request(struct request_queue *q, unsigned int op,
blk_mq_req_flags_t flags)
{
struct request *req;
WARN_ON_ONCE(op & REQ_NOWAIT);
WARN_ON_ONCE(flags & ~(BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_PM));
req = blk_mq_alloc_request(q, op, flags);
if (!IS_ERR(req) && q->mq_ops->initialize_rq_fn)
q->mq_ops->initialize_rq_fn(req);
return req;
}
EXPORT_SYMBOL(blk_get_request);
void blk_put_request(struct request *req)
{
blk_mq_free_request(req);
}
EXPORT_SYMBOL(blk_put_request);
static void handle_bad_sector(struct bio *bio, sector_t maxsector)
{
char b[BDEVNAME_SIZE];
block/blk-mq-debugfs.c
-1
View File
@@ -124,7 +124,6 @@ static const char *const blk_queue_flag_name[] = {
QUEUE_FLAG_NAME(STATS),
QUEUE_FLAG_NAME(POLL_STATS),
QUEUE_FLAG_NAME(REGISTERED),
QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
QUEUE_FLAG_NAME(QUIESCED),
QUEUE_FLAG_NAME(PCI_P2PDMA),
QUEUE_FLAG_NAME(ZONE_RESETALL),
block/bsg-lib.c
+13 -19
View File
@@ -31,6 +31,7 @@ static int bsg_transport_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr,
struct bsg_job *job;
struct request *rq;
struct bio *bio;
void *reply;
int ret;
if (hdr->protocol != BSG_PROTOCOL_SCSI ||
@@ -39,22 +40,28 @@ static int bsg_transport_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr,
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
rq = blk_get_request(q, hdr->dout_xfer_len ?
rq = blk_mq_alloc_request(q, hdr->dout_xfer_len ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
rq->timeout = timeout;
job = blk_mq_rq_to_pdu(rq);
reply = job->reply;
memset(job, 0, sizeof(*job));
job->reply = reply;
job->reply_len = SCSI_SENSE_BUFFERSIZE;
job->dd_data = job + 1;
job->request_len = hdr->request_len;
job->request = memdup_user(uptr64(hdr->request), hdr->request_len);
if (IS_ERR(job->request)) {
ret = PTR_ERR(job->request);
goto out_put_request;
goto out_free_rq;
}
if (hdr->dout_xfer_len && hdr->din_xfer_len) {
job->bidi_rq = blk_get_request(rq->q, REQ_OP_DRV_IN, 0);
job->bidi_rq = blk_mq_alloc_request(rq->q, REQ_OP_DRV_IN, 0);
if (IS_ERR(job->bidi_rq)) {
ret = PTR_ERR(job->bidi_rq);
goto out_free_job_request;
@@ -134,11 +141,11 @@ out_unmap_bidi_rq:
blk_rq_unmap_user(job->bidi_bio);
out_free_bidi_rq:
if (job->bidi_rq)
blk_put_request(job->bidi_rq);
blk_mq_free_request(job->bidi_rq);
out_free_job_request:
kfree(job->request);
out_put_request:
blk_put_request(rq);
out_free_rq:
blk_mq_free_request(rq);
return ret;
}
@@ -302,18 +309,6 @@ static int bsg_init_rq(struct blk_mq_tag_set *set, struct request *req,
return 0;
}
/* called right before the request is given to the request_queue user */
static void bsg_initialize_rq(struct request *req)
{
struct bsg_job *job = blk_mq_rq_to_pdu(req);
void *reply = job->reply;
memset(job, 0, sizeof(*job));
job->reply = reply;
job->reply_len = SCSI_SENSE_BUFFERSIZE;
job->dd_data = job + 1;
}
static void bsg_exit_rq(struct blk_mq_tag_set *set, struct request *req,
unsigned int hctx_idx)
{
@@ -350,7 +345,6 @@ static const struct blk_mq_ops bsg_mq_ops = {
.queue_rq = bsg_queue_rq,
.init_request = bsg_init_rq,
.exit_request = bsg_exit_rq,
.initialize_rq_fn = bsg_initialize_rq,
.complete = bsg_complete,
.timeout = bsg_timeout,
};
block/fops.c
+2 -2
View File
@@ -163,7 +163,7 @@ static void blkdev_bio_end_io(struct bio *bio)
ret = blk_status_to_errno(dio->bio.bi_status);
}
dio->iocb->ki_complete(iocb, ret, 0);
dio->iocb->ki_complete(iocb, ret);
bio_put(&dio->bio);
} else {
struct task_struct *waiter = dio->waiter;
@@ -295,7 +295,7 @@ static void blkdev_bio_end_io_async(struct bio *bio)
ret = blk_status_to_errno(bio->bi_status);
}
iocb->ki_complete(iocb, ret, 0);
iocb->ki_complete(iocb, ret);
if (dio->flags & DIO_SHOULD_DIRTY) {
bio_check_pages_dirty(bio);
crypto/af_alg.c
+1 -1
View File
@@ -1076,7 +1076,7 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
af_alg_free_resources(areq);
sock_put(sk);
iocb->ki_complete(iocb, err ? err : (int)resultlen, 0);
iocb->ki_complete(iocb, err ? err : (int)resultlen);
}
EXPORT_SYMBOL_GPL(af_alg_async_cb);
drivers/block/Kconfig
+1 -1
View File
@@ -281,8 +281,8 @@ config BLK_DEV_RAM_SIZE
config CDROM_PKTCDVD
tristate "Packet writing on CD/DVD media (DEPRECATED)"
depends on !UML
depends on SCSI
select CDROM
select SCSI_COMMON
help
Note: This driver is deprecated and will be removed from the
kernel in the near future!
drivers/block/loop.c
+2 -2
View File
@@ -382,7 +382,7 @@ static void lo_rw_aio_do_completion(struct loop_cmd *cmd)
blk_mq_complete_request(rq);
}
static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
static void lo_rw_aio_complete(struct kiocb *iocb, long ret)
{
struct loop_cmd *cmd = container_of(iocb, struct loop_cmd, iocb);
@@ -455,7 +455,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
lo_rw_aio_do_completion(cmd);
if (ret != -EIOCBQUEUED)
cmd->iocb.ki_complete(&cmd->iocb, ret, 0);
lo_rw_aio_complete(&cmd->iocb, ret);
return 0;
}
drivers/block/paride/pd.c
+2 -2
View File
@@ -775,14 +775,14 @@ static int pd_special_command(struct pd_unit *disk,
struct request *rq;
struct pd_req *req;
rq = blk_get_request(disk->gd->queue, REQ_OP_DRV_IN, 0);
rq = blk_mq_alloc_request(disk->gd->queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
req = blk_mq_rq_to_pdu(rq);
req->func = func;
blk_execute_rq(disk->gd, rq, 0);
blk_put_request(rq);
blk_mq_free_request(rq);
return 0;
}
drivers/block/pktcdvd.c
+6 -3
View File
@@ -703,7 +703,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
struct request *rq;
int ret = 0;
rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ?
rq = scsi_alloc_request(q, (cgc->data_direction == CGC_DATA_WRITE) ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
@@ -726,7 +726,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
if (scsi_req(rq)->result)
ret = -EIO;
out:
blk_put_request(rq);
blk_mq_free_request(rq);
return ret;
}
@@ -2536,6 +2536,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
int i;
char b[BDEVNAME_SIZE];
struct block_device *bdev;
struct scsi_device *sdev;
if (pd->pkt_dev == dev) {
pkt_err(pd, "recursive setup not allowed\n");
@@ -2559,10 +2560,12 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
bdev = blkdev_get_by_dev(dev, FMODE_READ | FMODE_NDELAY, NULL);
if (IS_ERR(bdev))
return PTR_ERR(bdev);
if (!blk_queue_scsi_passthrough(bdev_get_queue(bdev))) {
sdev = scsi_device_from_queue(bdev->bd_disk->queue);
if (!sdev) {
blkdev_put(bdev, FMODE_READ | FMODE_NDELAY);
return -EINVAL;
}
put_device(&sdev->sdev_gendev);
/* This is safe, since we have a reference from open(). */
__module_get(THIS_MODULE);
drivers/block/virtio_blk.c
+2 -2
View File
@@ -314,7 +314,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
struct request *req;
int err;
req = blk_get_request(q, REQ_OP_DRV_IN, 0);
req = blk_mq_alloc_request(q, REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
return PTR_ERR(req);
@@ -325,7 +325,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
blk_execute_rq(vblk->disk, req, false);
err = blk_status_to_errno(virtblk_result(blk_mq_rq_to_pdu(req)));
out:
blk_put_request(req);
blk_mq_free_request(req);
return err;
}
drivers/block/xen-blkback/xenbus.c
+1 -1
View File
@@ -98,7 +98,7 @@ static void xen_update_blkif_status(struct xen_blkif *blkif)
return;
}
err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);
err = sync_blockdev(blkif->vbd.bdev);
if (err) {
xenbus_dev_error(blkif->be->dev, err, "block flush");
return;
drivers/md/dm-mpath.c
+2 -2
View File
@@ -530,7 +530,7 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq,
bdev = pgpath->path.dev->bdev;
q = bdev_get_queue(bdev);
clone = blk_get_request(q, rq->cmd_flags | REQ_NOMERGE,
clone = blk_mq_alloc_request(q, rq->cmd_flags | REQ_NOMERGE,
BLK_MQ_REQ_NOWAIT);
if (IS_ERR(clone)) {
/* EBUSY, ENODEV or EWOULDBLOCK: requeue */
@@ -579,7 +579,7 @@ static void multipath_release_clone(struct request *clone,
clone->io_start_time_ns);
}
blk_put_request(clone);
blk_mq_free_request(clone);
}
/*
drivers/mmc/core/block.c
+10 -10
View File
@@ -258,7 +258,7 @@ static ssize_t power_ro_lock_store(struct device *dev,
mq = &md->queue;
/* Dispatch locking to the block layer */
req = blk_get_request(mq->queue, REQ_OP_DRV_OUT, 0);
req = blk_mq_alloc_request(mq->queue, REQ_OP_DRV_OUT, 0);
if (IS_ERR(req)) {
count = PTR_ERR(req);
goto out_put;
@@ -266,7 +266,7 @@ static ssize_t power_ro_lock_store(struct device *dev,
req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP;
blk_execute_rq(NULL, req, 0);
ret = req_to_mmc_queue_req(req)->drv_op_result;
blk_put_request(req);
blk_mq_free_request(req);
if (!ret) {
pr_info("%s: Locking boot partition ro until next power on\n",
@@ -646,7 +646,7 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md,
* Dispatch the ioctl() into the block request queue.
*/
mq = &md->queue;
req = blk_get_request(mq->queue,
req = blk_mq_alloc_request(mq->queue,
idata->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req)) {
err = PTR_ERR(req);
@@ -660,7 +660,7 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md,
blk_execute_rq(NULL, req, 0);
ioc_err = req_to_mmc_queue_req(req)->drv_op_result;
err = mmc_blk_ioctl_copy_to_user(ic_ptr, idata);
blk_put_request(req);
blk_mq_free_request(req);
cmd_done:
kfree(idata->buf);
@@ -716,7 +716,7 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md,
* Dispatch the ioctl()s into the block request queue.
*/
mq = &md->queue;
req = blk_get_request(mq->queue,
req = blk_mq_alloc_request(mq->queue,
idata[0]->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req)) {
err = PTR_ERR(req);
@@ -733,7 +733,7 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md,
for (i = 0; i < num_of_cmds && !err; i++)
err = mmc_blk_ioctl_copy_to_user(&cmds[i], idata[i]);
blk_put_request(req);
blk_mq_free_request(req);
cmd_err:
for (i = 0; i < num_of_cmds; i++) {
@@ -2730,7 +2730,7 @@ static int mmc_dbg_card_status_get(void *data, u64 *val)
int ret;
/* Ask the block layer about the card status */
req = blk_get_request(mq->queue, REQ_OP_DRV_IN, 0);
req = blk_mq_alloc_request(mq->queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
return PTR_ERR(req);
req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_CARD_STATUS;
@@ -2740,7 +2740,7 @@ static int mmc_dbg_card_status_get(void *data, u64 *val)
*val = ret;
ret = 0;
}
blk_put_request(req);
blk_mq_free_request(req);
return ret;
}
@@ -2766,7 +2766,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp)
return -ENOMEM;
/* Ask the block layer for the EXT CSD */
req = blk_get_request(mq->queue, REQ_OP_DRV_IN, 0);
req = blk_mq_alloc_request(mq->queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto out_free;
@@ -2775,7 +2775,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp)
req_to_mmc_queue_req(req)->drv_op_data = &ext_csd;
blk_execute_rq(NULL, req, 0);
err = req_to_mmc_queue_req(req)->drv_op_result;
blk_put_request(req);
blk_mq_free_request(req);
if (err) {
pr_err("FAILED %d\n", err);
goto out_free;
drivers/nvme/target/io-cmd-file.c
+2 -2
View File
@@ -125,7 +125,7 @@ static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos,
return call_iter(iocb, &iter);
}
static void nvmet_file_io_done(struct kiocb *iocb, long ret, long ret2)
static void nvmet_file_io_done(struct kiocb *iocb, long ret)
{
struct nvmet_req *req = container_of(iocb, struct nvmet_req, f.iocb);
u16 status = NVME_SC_SUCCESS;
@@ -222,7 +222,7 @@ static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags)
}
complete:
nvmet_file_io_done(&req->f.iocb, ret, 0);
nvmet_file_io_done(&req->f.iocb, ret);
return true;
}
drivers/scsi/scsi_bsg.c
+3 -3
View File
@@ -25,8 +25,8 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr,
return -EOPNOTSUPP;
}
rq = blk_get_request(q, hdr->dout_xfer_len ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
rq = scsi_alloc_request(q, hdr->dout_xfer_len ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
rq->timeout = timeout;
@@ -95,7 +95,7 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr,
out_free_cmd:
scsi_req_free_cmd(scsi_req(rq));
out_put_request:
blk_put_request(rq);
blk_mq_free_request(rq);
return ret;
}
drivers/scsi/scsi_error.c
+2 -2
View File
@@ -1979,7 +1979,7 @@ maybe_retry:
static void eh_lock_door_done(struct request *req, blk_status_t status)
{
blk_put_request(req);
blk_mq_free_request(req);
}
/**
@@ -1998,7 +1998,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
struct request *req;
struct scsi_request *rq;
req = blk_get_request(sdev->request_queue, REQ_OP_DRV_IN, 0);
req = scsi_alloc_request(sdev->request_queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
return;
rq = scsi_req(req);
drivers/scsi/scsi_ioctl.c
+4 -4
View File
@@ -438,7 +438,7 @@ static int sg_io(struct scsi_device *sdev, struct gendisk *disk,
at_head = 1;
ret = -ENOMEM;
rq = blk_get_request(sdev->request_queue, writing ?
rq = scsi_alloc_request(sdev->request_queue, writing ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
@@ -490,7 +490,7 @@ static int sg_io(struct scsi_device *sdev, struct gendisk *disk,
out_free_cdb:
scsi_req_free_cmd(req);
out_put_request:
blk_put_request(rq);
blk_mq_free_request(rq);
return ret;
}
@@ -561,7 +561,7 @@ static int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk,
}
rq = blk_get_request(q, in_len ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
rq = scsi_alloc_request(q, in_len ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
goto error_free_buffer;
@@ -634,7 +634,7 @@ static int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk,
}
error:
blk_put_request(rq);
blk_mq_free_request(rq);
error_free_buffer:
kfree(buffer);
drivers/scsi/scsi_lib.c
+22 -7
View File
@@ -216,7 +216,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
struct scsi_request *rq;
int ret;
req = blk_get_request(sdev->request_queue,
req = scsi_alloc_request(sdev->request_queue,
data_direction == DMA_TO_DEVICE ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN,
rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0);
@@ -260,7 +260,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
scsi_normalize_sense(rq->sense, rq->sense_len, sshdr);
ret = rq->result;
out:
blk_put_request(req);
blk_mq_free_request(req);
return ret;
}
@@ -1079,9 +1079,6 @@ EXPORT_SYMBOL(scsi_alloc_sgtables);
* This function initializes the members of struct scsi_cmnd that must be
* initialized before request processing starts and that won't be
* reinitialized if a SCSI command is requeued.
*
* Called from inside blk_get_request() for pass-through requests and from
* inside scsi_init_command() for filesystem requests.
*/
static void scsi_initialize_rq(struct request *rq)
{
@@ -1098,6 +1095,18 @@ static void scsi_initialize_rq(struct request *rq)
cmd->retries = 0;
}
struct request *scsi_alloc_request(struct request_queue *q,
unsigned int op, blk_mq_req_flags_t flags)
{
struct request *rq;
rq = blk_mq_alloc_request(q, op, flags);
if (!IS_ERR(rq))
scsi_initialize_rq(rq);
return rq;
}
EXPORT_SYMBOL_GPL(scsi_alloc_request);
/*
* Only called when the request isn't completed by SCSI, and not freed by
* SCSI
@@ -1864,7 +1873,6 @@ static const struct blk_mq_ops scsi_mq_ops_no_commit = {
#endif
.init_request = scsi_mq_init_request,
.exit_request = scsi_mq_exit_request,
.initialize_rq_fn = scsi_initialize_rq,
.cleanup_rq = scsi_cleanup_rq,
.busy = scsi_mq_lld_busy,
.map_queues = scsi_map_queues,
@@ -1894,7 +1902,6 @@ static const struct blk_mq_ops scsi_mq_ops = {
#endif
.init_request = scsi_mq_init_request,
.exit_request = scsi_mq_exit_request,
.initialize_rq_fn = scsi_initialize_rq,
.cleanup_rq = scsi_cleanup_rq,
.busy = scsi_mq_lld_busy,
.map_queues = scsi_map_queues,
@@ -1960,6 +1967,14 @@ struct scsi_device *scsi_device_from_queue(struct request_queue *q)
return sdev;
}
/*
* pktcdvd should have been integrated into the SCSI layers, but for historical
* reasons like the old IDE driver it isn't. This export allows it to safely
* probe if a given device is a SCSI one and only attach to that.
*/
#ifdef CONFIG_CDROM_PKTCDVD_MODULE
EXPORT_SYMBOL_GPL(scsi_device_from_queue);
#endif
/**
* scsi_block_requests - Utility function used by low-level drivers to prevent
drivers/scsi/scsi_scan.c
-1
View File
@@ -280,7 +280,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
sdev->request_queue = q;
q->queuedata = sdev;
__scsi_init_queue(sdev->host, q);
blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
WARN_ON_ONCE(!blk_get_queue(q));
depth = sdev->host->cmd_per_lun ?: 1;
drivers/scsi/sd.c
+39
View File
@@ -1757,6 +1757,44 @@ static void sd_rescan(struct device *dev)
sd_revalidate_disk(sdkp->disk);
}
static int sd_get_unique_id(struct gendisk *disk, u8 id[16],
enum blk_unique_id type)
{
struct scsi_device *sdev = scsi_disk(disk)->device;
const struct scsi_vpd *vpd;
const unsigned char *d;
int ret = -ENXIO, len;
rcu_read_lock();
vpd = rcu_dereference(sdev->vpd_pg83);
if (!vpd)
goto out_unlock;
ret = -EINVAL;
for (d = vpd->data + 4; d < vpd->data + vpd->len; d += d[3] + 4) {
/* we only care about designators with LU association */
if (((d[1] >> 4) & 0x3) != 0x00)
continue;
if ((d[1] & 0xf) != type)
continue;
/*
* Only exit early if a 16-byte descriptor was found. Otherwise
* keep looking as one with more entropy might still show up.
*/
len = d[3];
if (len != 8 && len != 12 && len != 16)
continue;
ret = len;
memcpy(id, d + 4, len);
if (len == 16)
break;
}
out_unlock:
rcu_read_unlock();
return ret;
}
static char sd_pr_type(enum pr_type type)
{
switch (type) {
@@ -1861,6 +1899,7 @@ static const struct block_device_operations sd_fops = {
.check_events = sd_check_events,
.unlock_native_capacity = sd_unlock_native_capacity,
.report_zones = sd_zbc_report_zones,
.get_unique_id = sd_get_unique_id,
.pr_ops = &sd_pr_ops,
};
drivers/scsi/sg.c
+5 -5
View File
@@ -815,7 +815,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
if (atomic_read(&sdp->detaching)) {
if (srp->bio) {
scsi_req_free_cmd(scsi_req(srp->rq));
blk_put_request(srp->rq);
blk_mq_free_request(srp->rq);
srp->rq = NULL;
}
@@ -1390,7 +1390,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status)
*/
srp->rq = NULL;
scsi_req_free_cmd(scsi_req(rq));
blk_put_request(rq);
blk_mq_free_request(rq);
write_lock_irqsave(&sfp->rq_list_lock, iflags);
if (unlikely(srp->orphan)) {
@@ -1718,13 +1718,13 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
*
* With scsi-mq enabled, there are a fixed number of preallocated
* requests equal in number to shost->can_queue. If all of the
* preallocated requests are already in use, then blk_get_request()
* preallocated requests are already in use, then scsi_alloc_request()
* will sleep until an active command completes, freeing up a request.
* Although waiting in an asynchronous interface is less than ideal, we
* do not want to use BLK_MQ_REQ_NOWAIT here because userspace might
* not expect an EWOULDBLOCK from this condition.
*/
rq = blk_get_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ?
rq = scsi_alloc_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
kfree(long_cmdp);
@@ -1830,7 +1830,7 @@ sg_finish_rem_req(Sg_request *srp)
if (srp->rq) {
scsi_req_free_cmd(scsi_req(srp->rq));
blk_put_request(srp->rq);
blk_mq_free_request(srp->rq);
}
if (srp->res_used)
drivers/scsi/sr.c
+2 -2
View File
@@ -967,7 +967,7 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf,
struct bio *bio;
int ret;
rq = blk_get_request(disk->queue, REQ_OP_DRV_IN, 0);
rq = scsi_alloc_request(disk->queue, REQ_OP_DRV_IN, 0);
if (IS_ERR(rq))
return PTR_ERR(rq);
req = scsi_req(rq);
@@ -1003,7 +1003,7 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf,
if (blk_rq_unmap_user(bio))
ret = -EFAULT;
out_put_request:
blk_put_request(rq);
blk_mq_free_request(rq);
return ret;
}
drivers/scsi/st.c
+3 -3
View File
@@ -530,7 +530,7 @@ static void st_scsi_execute_end(struct request *req, blk_status_t status)
complete(SRpnt->waiting);
blk_rq_unmap_user(tmp);
blk_put_request(req);
blk_mq_free_request(req);
}
static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
@@ -543,7 +543,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
int err = 0;
struct scsi_tape *STp = SRpnt->stp;
req = blk_get_request(SRpnt->stp->device->request_queue,
req = scsi_alloc_request(SRpnt->stp->device->request_queue,
data_direction == DMA_TO_DEVICE ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req))
@@ -557,7 +557,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd,
err = blk_rq_map_user(req->q, req, mdata, NULL, bufflen,
GFP_KERNEL);
if (err) {
blk_put_request(req);
blk_mq_free_request(req);
return err;
}
}
drivers/scsi/ufs/ufshcd.c
+10 -10
View File
@@ -2940,7 +2940,7 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
* Even though we use wait_event() which sleeps indefinitely,
* the maximum wait time is bounded by SCSI request timeout.
*/
req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
req = blk_mq_alloc_request(q, REQ_OP_DRV_OUT, 0);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto out_unlock;
@@ -2967,7 +2967,7 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
(struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
out:
blk_put_request(req);
blk_mq_free_request(req);
out_unlock:
up_read(&hba->clk_scaling_lock);
return err;
@@ -6544,9 +6544,9 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
int task_tag, err;
/*
* blk_get_request() is used here only to get a free tag.
* blk_mq_alloc_request() is used here only to get a free tag.
*/
req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
req = blk_mq_alloc_request(q, REQ_OP_DRV_OUT, 0);
if (IS_ERR(req))
return PTR_ERR(req);
@@ -6602,7 +6602,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
spin_unlock_irqrestore(hba->host->host_lock, flags);
ufshcd_release(hba);
blk_put_request(req);
blk_mq_free_request(req);
return err;
}
@@ -6687,7 +6687,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
down_read(&hba->clk_scaling_lock);
req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
req = blk_mq_alloc_request(q, REQ_OP_DRV_OUT, 0);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto out_unlock;
@@ -6768,7 +6768,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
(struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
out:
blk_put_request(req);
blk_mq_free_request(req);
out_unlock:
up_read(&hba->clk_scaling_lock);
return err;
@@ -7939,7 +7939,7 @@ static void ufshcd_request_sense_done(struct request *rq, blk_status_t error)
if (error != BLK_STS_OK)
pr_err("%s: REQUEST SENSE failed (%d)\n", __func__, error);
kfree(rq->end_io_data);
blk_put_request(rq);
blk_mq_free_request(rq);
}
static int
@@ -7959,7 +7959,7 @@ ufshcd_request_sense_async(struct ufs_hba *hba, struct scsi_device *sdev)
if (!buffer)
return -ENOMEM;
req = blk_get_request(sdev->request_queue, REQ_OP_DRV_IN,
req = blk_mq_alloc_request(sdev->request_queue, REQ_OP_DRV_IN,
/*flags=*/BLK_MQ_REQ_PM);
if (IS_ERR(req)) {
ret = PTR_ERR(req);
@@ -7984,7 +7984,7 @@ ufshcd_request_sense_async(struct ufs_hba *hba, struct scsi_device *sdev)
return 0;
out_put:
blk_put_request(req);
blk_mq_free_request(req);
out_free:
kfree(buffer);
return ret;
drivers/scsi/ufs/ufshpb.c
+2 -2
View File
@@ -449,7 +449,7 @@ static struct ufshpb_req *ufshpb_get_req(struct ufshpb_lu *hpb,
return NULL;
retry:
req = blk_get_request(hpb->sdev_ufs_lu->request_queue, dir,
req = blk_mq_alloc_request(hpb->sdev_ufs_lu->request_queue, dir,
BLK_MQ_REQ_NOWAIT);
if (!atomic && (PTR_ERR(req) == -EWOULDBLOCK) && (--retries > 0)) {
@@ -473,7 +473,7 @@ free_rq:
static void ufshpb_put_req(struct ufshpb_lu *hpb, struct ufshpb_req *rq)
{
blk_put_request(rq->req);
blk_mq_free_request(rq->req);
kmem_cache_free(hpb->map_req_cache, rq);
}
drivers/target/target_core_file.c
+2 -2
View File
@@ -245,7 +245,7 @@ struct target_core_file_cmd {
struct bio_vec bvecs[];
};
static void cmd_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
static void cmd_rw_aio_complete(struct kiocb *iocb, long ret)
{
struct target_core_file_cmd *cmd;
@@ -303,7 +303,7 @@ fd_execute_rw_aio(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
ret = call_read_iter(file, &aio_cmd->iocb, &iter);
if (ret != -EIOCBQUEUED)
cmd_rw_aio_complete(&aio_cmd->iocb, ret, 0);
cmd_rw_aio_complete(&aio_cmd->iocb, ret);
return 0;
}
drivers/target/target_core_pscsi.c
+3 -4
View File
@@ -980,11 +980,10 @@ pscsi_execute_cmd(struct se_cmd *cmd)
memcpy(pt->pscsi_cdb, cmd->t_task_cdb,
scsi_command_size(cmd->t_task_cdb));
req = blk_get_request(pdv->pdv_sd->request_queue,
req = scsi_alloc_request(pdv->pdv_sd->request_queue,
cmd->data_direction == DMA_TO_DEVICE ?
REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
if (IS_ERR(req)) {
pr_err("PSCSI: blk_get_request() failed\n");
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto fail;
}
@@ -1012,7 +1011,7 @@ pscsi_execute_cmd(struct se_cmd *cmd)
return 0;
fail_put_request:
blk_put_request(req);
blk_mq_free_request(req);
fail:
kfree(pt);
return ret;
@@ -1067,7 +1066,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status)
break;
}
blk_put_request(req);
blk_mq_free_request(req);
kfree(pt);
}
drivers/usb/gadget/function/f_fs.c
+1 -1
View File
@@ -831,7 +831,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
kthread_unuse_mm(io_data->mm);
}
io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);
io_data->kiocb->ki_complete(io_data->kiocb, ret);
if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)
eventfd_signal(io_data->ffs->ffs_eventfd, 1);
drivers/usb/gadget/legacy/inode.c
+2 -5
View File
@@ -469,7 +469,7 @@ static void ep_user_copy_worker(struct work_struct *work)
ret = -EFAULT;
/* completing the iocb can drop the ctx and mm, don't touch mm after */
iocb->ki_complete(iocb, ret, ret);
iocb->ki_complete(iocb, ret);
kfree(priv->buf);
kfree(priv->to_free);
@@ -496,11 +496,8 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
kfree(priv->to_free);
kfree(priv);
iocb->private = NULL;
/* aio_complete() reports bytes-transferred _and_ faults */
iocb->ki_complete(iocb,
req->actual ? req->actual : (long)req->status,
req->status);
req->actual ? req->actual : (long)req->status);
} else {
/* ep_copy_to_user() won't report both; we hide some faults */
if (unlikely(0 != req->status))
fs/aio.c
+3 -3
View File
@@ -1417,7 +1417,7 @@ static void aio_remove_iocb(struct aio_kiocb *iocb)
spin_unlock_irqrestore(&ctx->ctx_lock, flags);
}
static void aio_complete_rw(struct kiocb *kiocb, long res, long res2)
static void aio_complete_rw(struct kiocb *kiocb, long res)
{
struct aio_kiocb *iocb = container_of(kiocb, struct aio_kiocb, rw);
@@ -1437,7 +1437,7 @@ static void aio_complete_rw(struct kiocb *kiocb, long res, long res2)
}
iocb->ki_res.res = res;
iocb->ki_res.res2 = res2;
iocb->ki_res.res2 = 0;
iocb_put(iocb);
}
@@ -1508,7 +1508,7 @@ static inline void aio_rw_done(struct kiocb *req, ssize_t ret)
ret = -EINTR;
fallthrough;
default:
req->ki_complete(req, ret, 0);
req->ki_complete(req, ret);
}
}
fs/btrfs/volumes.c
+1 -1
View File
@@ -508,7 +508,7 @@ btrfs_get_bdev_and_sb(const char *device_path, fmode_t flags, void *holder,
}
if (flush)
filemap_write_and_wait((*bdev)->bd_inode->i_mapping);
sync_blockdev(*bdev);
ret = set_blocksize(*bdev, BTRFS_BDEV_BLOCKSIZE);
if (ret) {
blkdev_put(*bdev, flags);
fs/cachefiles/io.c
+6 -6
View File
@@ -37,11 +37,11 @@ static inline void cachefiles_put_kiocb(struct cachefiles_kiocb *ki)
/*
* Handle completion of a read from the cache.
*/
static void cachefiles_read_complete(struct kiocb *iocb, long ret, long ret2)
static void cachefiles_read_complete(struct kiocb *iocb, long ret)
{
struct cachefiles_kiocb *ki = container_of(iocb, struct cachefiles_kiocb, iocb);
_enter("%ld,%ld", ret, ret2);
_enter("%ld", ret);
if (ki->term_func) {
if (ret >= 0)
@@ -139,7 +139,7 @@ static int cachefiles_read(struct netfs_cache_resources *cres,
fallthrough;
default:
ki->was_async = false;
cachefiles_read_complete(&ki->iocb, ret, 0);
cachefiles_read_complete(&ki->iocb, ret);
if (ret > 0)
ret = 0;
break;
@@ -159,12 +159,12 @@ presubmission_error:
/*
* Handle completion of a write to the cache.
*/
static void cachefiles_write_complete(struct kiocb *iocb, long ret, long ret2)
static void cachefiles_write_complete(struct kiocb *iocb, long ret)
{
struct cachefiles_kiocb *ki = container_of(iocb, struct cachefiles_kiocb, iocb);
struct inode *inode = file_inode(ki->iocb.ki_filp);
_enter("%ld,%ld", ret, ret2);
_enter("%ld", ret);
/* Tell lockdep we inherited freeze protection from submission thread */
__sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE);
@@ -244,7 +244,7 @@ static int cachefiles_write(struct netfs_cache_resources *cres,
fallthrough;
default:
ki->was_async = false;
cachefiles_write_complete(&ki->iocb, ret, 0);
cachefiles_write_complete(&ki->iocb, ret);
if (ret > 0)
ret = 0;
break;
fs/ceph/file.c
+1 -1
View File
@@ -1022,7 +1022,7 @@ static void ceph_aio_complete(struct inode *inode,
ceph_put_cap_refs(ci, (aio_req->write ? CEPH_CAP_FILE_WR :
CEPH_CAP_FILE_RD));
aio_req->iocb->ki_complete(aio_req->iocb, ret, 0);
aio_req->iocb->ki_complete(aio_req->iocb, ret);
ceph_free_cap_flush(aio_req->prealloc_cf);
kfree(aio_req);
fs/cifs/file.c
+2 -2
View File
@@ -3184,7 +3184,7 @@ restart_loop:
mutex_unlock(&ctx->aio_mutex);
if (ctx->iocb && ctx->iocb->ki_complete)
ctx->iocb->ki_complete(ctx->iocb, ctx->rc, 0);
ctx->iocb->ki_complete(ctx->iocb, ctx->rc);
else
complete(&ctx->done);
}
@@ -3917,7 +3917,7 @@ again:
mutex_unlock(&ctx->aio_mutex);
if (ctx->iocb && ctx->iocb->ki_complete)
ctx->iocb->ki_complete(ctx->iocb, ctx->rc, 0);
ctx->iocb->ki_complete(ctx->iocb, ctx->rc);
else
complete(&ctx->done);
}
fs/direct-io.c
+1 -1
View File
@@ -308,7 +308,7 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, unsigned int flags)
if (ret > 0 && dio->op == REQ_OP_WRITE)
ret = generic_write_sync(dio->iocb, ret);
dio->iocb->ki_complete(dio->iocb, ret, 0);
dio->iocb->ki_complete(dio->iocb, ret);
}
kmem_cache_free(dio_cache, dio);
fs/fat/inode.c
+2 -4
View File
@@ -1940,10 +1940,8 @@ int fat_flush_inodes(struct super_block *sb, struct inode *i1, struct inode *i2)
ret = writeback_inode(i1);
if (!ret && i2)
ret = writeback_inode(i2);
if (!ret) {
struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
ret = filemap_flush(mapping);
}
if (!ret)
ret = sync_blockdev_nowait(sb->s_bdev);
return ret;
}
EXPORT_SYMBOL_GPL(fat_flush_inodes);
fs/fuse/file.c
+1 -1
View File
@@ -689,7 +689,7 @@ static void fuse_aio_complete(struct fuse_io_priv *io, int err, ssize_t pos)
spin_unlock(&fi->lock);
}
io->iocb->ki_complete(io->iocb, res, 0);
io->iocb->ki_complete(io->iocb, res);
}
kref_put(&io->refcnt, fuse_io_release);
fs/internal.h
-11
View File
@@ -23,22 +23,11 @@ struct pipe_inode_info;
#ifdef CONFIG_BLOCK
extern void __init bdev_cache_init(void);
extern int __sync_blockdev(struct block_device *bdev, int wait);
void iterate_bdevs(void (*)(struct block_device *, void *), void *);
void emergency_thaw_bdev(struct super_block *sb);
#else
static inline void bdev_cache_init(void)
{
}
static inline int __sync_blockdev(struct block_device *bdev, int wait)
{
return 0;
}
static inline void iterate_bdevs(void (*f)(struct block_device *, void *),
void *arg)
{
}
static inline int emergency_thaw_bdev(struct super_block *sb)
{
return 0;
fs/io_uring.c
+3 -3
View File
@@ -2666,7 +2666,7 @@ static void __io_complete_rw(struct io_kiocb *req, long res, long res2,
__io_req_complete(req, issue_flags, req->result, io_put_rw_kbuf(req));
}
static void io_complete_rw(struct kiocb *kiocb, long res, long res2)
static void io_complete_rw(struct kiocb *kiocb, long res)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
@@ -2677,7 +2677,7 @@ static void io_complete_rw(struct kiocb *kiocb, long res, long res2)
io_req_task_work_add(req);
}
static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
static void io_complete_rw_iopoll(struct kiocb *kiocb, long res)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
@@ -2884,7 +2884,7 @@ static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret)
ret = -EINTR;
fallthrough;
default:
kiocb->ki_complete(kiocb, ret, 0);
kiocb->ki_complete(kiocb, ret);
}
}
fs/iomap/direct-io.c
+1 -1
View File
@@ -126,7 +126,7 @@ static void iomap_dio_complete_work(struct work_struct *work)
struct iomap_dio *dio = container_of(work, struct iomap_dio, aio.work);
struct kiocb *iocb = dio->iocb;
iocb->ki_complete(iocb, iomap_dio_complete(dio), 0);
iocb->ki_complete(iocb, iomap_dio_complete(dio));
}
/*
fs/nfs/direct.c
+1 -1
View File
@@ -275,7 +275,7 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq)
res = (long) dreq->count;
WARN_ON_ONCE(dreq->count < 0);
}
dreq->iocb->ki_complete(dreq->iocb, res, 0);
dreq->iocb->ki_complete(dreq->iocb, res);
}
complete(&dreq->completion);
fs/nfsd/Kconfig
-1
View File
@@ -109,7 +109,6 @@ config NFSD_SCSILAYOUT
depends on NFSD_V4 && BLOCK
select NFSD_PNFS
select EXPORTFS_BLOCK_OPS
select SCSI_COMMON
help
This option enables support for the exporting pNFS SCSI layouts
in the kernel's NFS server. The pNFS SCSI layout enables NFS
fs/nfsd/blocklayout.c
+41 -117
View File
@@ -9,9 +9,6 @@
#include <linux/pr.h>
#include <linux/nfsd/debug.h>
#include <scsi/scsi_proto.h>
#include <scsi/scsi_common.h>
#include <scsi/scsi_request.h>
#include "blocklayoutxdr.h"
#include "pnfs.h"
@@ -211,109 +208,6 @@ const struct nfsd4_layout_ops bl_layout_ops = {
#endif /* CONFIG_NFSD_BLOCKLAYOUT */
#ifdef CONFIG_NFSD_SCSILAYOUT
static int nfsd4_scsi_identify_device(struct block_device *bdev,
struct pnfs_block_volume *b)
{
struct request_queue *q = bdev->bd_disk->queue;
struct request *rq;
struct scsi_request *req;
/*
* The allocation length (passed in bytes 3 and 4 of the INQUIRY
* command descriptor block) specifies the number of bytes that have
* been allocated for the data-in buffer.
* 252 is the highest one-byte value that is a multiple of 4.
* 65532 is the highest two-byte value that is a multiple of 4.
*/
size_t bufflen = 252, maxlen = 65532, len, id_len;
u8 *buf, *d, type, assoc;
int retries = 1, error;
if (WARN_ON_ONCE(!blk_queue_scsi_passthrough(q)))
return -EINVAL;
again:
buf = kzalloc(bufflen, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rq = blk_get_request(q, REQ_OP_DRV_IN, 0);
if (IS_ERR(rq)) {
error = -ENOMEM;
goto out_free_buf;
}
req = scsi_req(rq);
error = blk_rq_map_kern(q, rq, buf, bufflen, GFP_KERNEL);
if (error)
goto out_put_request;
req->cmd[0] = INQUIRY;
req->cmd[1] = 1;
req->cmd[2] = 0x83;
req->cmd[3] = bufflen >> 8;
req->cmd[4] = bufflen & 0xff;
req->cmd_len = COMMAND_SIZE(INQUIRY);
blk_execute_rq(NULL, rq, 1);
if (req->result) {
pr_err("pNFS: INQUIRY 0x83 failed with: %x\n",
req->result);
error = -EIO;
goto out_put_request;
}
len = (buf[2] << 8) + buf[3] + 4;
if (len > bufflen) {
if (len <= maxlen && retries--) {
blk_put_request(rq);
kfree(buf);
bufflen = len;
goto again;
}
pr_err("pNFS: INQUIRY 0x83 response invalid (len = %zd)\n",
len);
goto out_put_request;
}
d = buf + 4;
for (d = buf + 4; d < buf + len; d += id_len + 4) {
id_len = d[3];
type = d[1] & 0xf;
assoc = (d[1] >> 4) & 0x3;
/*
* We only care about a EUI-64 and NAA designator types
* with LU association.
*/
if (assoc != 0x00)
continue;
if (type != 0x02 && type != 0x03)
continue;
if (id_len != 8 && id_len != 12 && id_len != 16)
continue;
b->scsi.code_set = PS_CODE_SET_BINARY;
b->scsi.designator_type = type == 0x02 ?
PS_DESIGNATOR_EUI64 : PS_DESIGNATOR_NAA;
b->scsi.designator_len = id_len;
memcpy(b->scsi.designator, d + 4, id_len);
/*
* If we found a 8 or 12 byte descriptor continue on to
* see if a 16 byte one is available. If we find a
* 16 byte descriptor we're done.
*/
if (id_len == 16)
break;
}
out_put_request:
blk_put_request(rq);
out_free_buf:
kfree(buf);
return error;
}
#define NFSD_MDS_PR_KEY 0x0100000000000000ULL
/*
@@ -325,6 +219,31 @@ static u64 nfsd4_scsi_pr_key(struct nfs4_client *clp)
return ((u64)clp->cl_clientid.cl_boot << 32) | clp->cl_clientid.cl_id;
}
static const u8 designator_types[] = {
PS_DESIGNATOR_EUI64,
PS_DESIGNATOR_NAA,
};
static int
nfsd4_block_get_unique_id(struct gendisk *disk, struct pnfs_block_volume *b)
{
int ret, i;
for (i = 0; i < ARRAY_SIZE(designator_types); i++) {
u8 type = designator_types[i];
ret = disk->fops->get_unique_id(disk, b->scsi.designator, type);
if (ret > 0) {
b->scsi.code_set = PS_CODE_SET_BINARY;
b->scsi.designator_type = type;
b->scsi.designator_len = ret;
return 0;
}
}
return -EINVAL;
}
static int
nfsd4_block_get_device_info_scsi(struct super_block *sb,
struct nfs4_client *clp,
@@ -333,7 +252,7 @@ nfsd4_block_get_device_info_scsi(struct super_block *sb,
struct pnfs_block_deviceaddr *dev;
struct pnfs_block_volume *b;
const struct pr_ops *ops;
int error;
int ret;
dev = kzalloc(sizeof(struct pnfs_block_deviceaddr) +
sizeof(struct pnfs_block_volume), GFP_KERNEL);
@@ -347,33 +266,38 @@ nfsd4_block_get_device_info_scsi(struct super_block *sb,
b->type = PNFS_BLOCK_VOLUME_SCSI;
b->scsi.pr_key = nfsd4_scsi_pr_key(clp);
error = nfsd4_scsi_identify_device(sb->s_bdev, b);
if (error)
return error;
ret = nfsd4_block_get_unique_id(sb->s_bdev->bd_disk, b);
if (ret < 0)
goto out_free_dev;
ret = -EINVAL;
ops = sb->s_bdev->bd_disk->fops->pr_ops;
if (!ops) {
pr_err("pNFS: device %s does not support PRs.\n",
sb->s_id);
return -EINVAL;
goto out_free_dev;
}
error = ops->pr_register(sb->s_bdev, 0, NFSD_MDS_PR_KEY, true);
if (error) {
ret = ops->pr_register(sb->s_bdev, 0, NFSD_MDS_PR_KEY, true);
if (ret) {
pr_err("pNFS: failed to register key for device %s.\n",
sb->s_id);
return -EINVAL;
goto out_free_dev;
}
error = ops->pr_reserve(sb->s_bdev, NFSD_MDS_PR_KEY,
ret = ops->pr_reserve(sb->s_bdev, NFSD_MDS_PR_KEY,
PR_EXCLUSIVE_ACCESS_REG_ONLY, 0);
if (error) {
if (ret) {
pr_err("pNFS: failed to reserve device %s.\n",
sb->s_id);
return -EINVAL;
goto out_free_dev;
}
return 0;
out_free_dev:
kfree(dev);
return ret;
}
static __be32
fs/nfsd/nfs4layouts.c
+3 -2
View File
@@ -145,8 +145,9 @@ void nfsd4_setup_layout_type(struct svc_export *exp)
#ifdef CONFIG_NFSD_SCSILAYOUT
if (sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks &&
sb->s_bdev && sb->s_bdev->bd_disk->fops->pr_ops &&
blk_queue_scsi_passthrough(sb->s_bdev->bd_disk->queue))
sb->s_bdev &&
sb->s_bdev->bd_disk->fops->pr_ops &&
sb->s_bdev->bd_disk->fops->get_unique_id)
exp->ex_layout_types |= 1 << LAYOUT_SCSI;
#endif
}
fs/ntfs3/inode.c
+1 -1
View File
@@ -1046,7 +1046,7 @@ int ntfs_flush_inodes(struct super_block *sb, struct inode *i1,
if (!ret && i2)
ret = writeback_inode(i2);
if (!ret)
ret = filemap_flush(sb->s_bdev->bd_inode->i_mapping);
ret = sync_blockdev_nowait(sb->s_bdev);
return ret;
}
fs/overlayfs/file.c
+2 -2
View File
@@ -258,14 +258,14 @@ static void ovl_aio_cleanup_handler(struct ovl_aio_req *aio_req)
kmem_cache_free(ovl_aio_request_cachep, aio_req);
}
static void ovl_aio_rw_complete(struct kiocb *iocb, long res, long res2)
static void ovl_aio_rw_complete(struct kiocb *iocb, long res)
{
struct ovl_aio_req *aio_req = container_of(iocb,
struct ovl_aio_req, iocb);
struct kiocb *orig_iocb = aio_req->orig_iocb;
ovl_aio_cleanup_handler(aio_req);
orig_iocb->ki_complete(orig_iocb, res, res2);
orig_iocb->ki_complete(orig_iocb, res);
}
static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter)
fs/sync.c
+22 -40
View File
@@ -3,6 +3,7 @@
* High-level sync()-related operations
*/
#include <linux/blkdev.h>
#include <linux/kernel.h>
#include <linux/file.h>
#include <linux/fs.h>
@@ -21,25 +22,6 @@
#define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
SYNC_FILE_RANGE_WAIT_AFTER)
/*
* Do the filesystem syncing work. For simple filesystems
* writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
* submit IO for these buffers via __sync_blockdev(). This also speeds up the
* wait == 1 case since in that case write_inode() functions do
* sync_dirty_buffer() and thus effectively write one block at a time.
*/
static int __sync_filesystem(struct super_block *sb, int wait)
{
if (wait)
sync_inodes_sb(sb);
else
writeback_inodes_sb(sb, WB_REASON_SYNC);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, wait);
return __sync_blockdev(sb->s_bdev, wait);
}
/*
* Write out and wait upon all dirty data associated with this
* superblock. Filesystem data as well as the underlying block
@@ -61,10 +43,25 @@ int sync_filesystem(struct super_block *sb)
if (sb_rdonly(sb))
return 0;
ret = __sync_filesystem(sb, 0);
/*
* Do the filesystem syncing work. For simple filesystems
* writeback_inodes_sb(sb) just dirties buffers with inodes so we have
* to submit I/O for these buffers via sync_blockdev(). This also
* speeds up the wait == 1 case since in that case write_inode()
* methods call sync_dirty_buffer() and thus effectively write one block
* at a time.
*/
writeback_inodes_sb(sb, WB_REASON_SYNC);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, 0);
ret = sync_blockdev_nowait(sb->s_bdev);
if (ret < 0)
return ret;
return __sync_filesystem(sb, 1);
sync_inodes_sb(sb);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, 1);
return sync_blockdev(sb->s_bdev);
}
EXPORT_SYMBOL(sync_filesystem);
@@ -81,21 +78,6 @@ static void sync_fs_one_sb(struct super_block *sb, void *arg)
sb->s_op->sync_fs(sb, *(int *)arg);
}
static void fdatawrite_one_bdev(struct block_device *bdev, void *arg)
{
filemap_fdatawrite(bdev->bd_inode->i_mapping);
}
static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
{
/*
* We keep the error status of individual mapping so that
* applications can catch the writeback error using fsync(2).
* See filemap_fdatawait_keep_errors() for details.
*/
filemap_fdatawait_keep_errors(bdev->bd_inode->i_mapping);
}
/*
* Sync everything. We start by waking flusher threads so that most of
* writeback runs on all devices in parallel. Then we sync all inodes reliably
@@ -114,8 +96,8 @@ void ksys_sync(void)
iterate_supers(sync_inodes_one_sb, NULL);
iterate_supers(sync_fs_one_sb, &nowait);
iterate_supers(sync_fs_one_sb, &wait);
iterate_bdevs(fdatawrite_one_bdev, NULL);
iterate_bdevs(fdatawait_one_bdev, NULL);
sync_bdevs(false);
sync_bdevs(true);
if (unlikely(laptop_mode))
laptop_sync_completion();
}
@@ -136,10 +118,10 @@ static void do_sync_work(struct work_struct *work)
*/
iterate_supers(sync_inodes_one_sb, &nowait);
iterate_supers(sync_fs_one_sb, &nowait);
iterate_bdevs(fdatawrite_one_bdev, NULL);
sync_bdevs(false);
iterate_supers(sync_inodes_one_sb, &nowait);
iterate_supers(sync_fs_one_sb, &nowait);
iterate_bdevs(fdatawrite_one_bdev, NULL);
sync_bdevs(false);
printk("Emergency Sync complete\n");
kfree(work);
}
include/linux/blk-mq.h
-8
View File
@@ -566,11 +566,6 @@ struct blk_mq_ops {
void (*exit_request)(struct blk_mq_tag_set *set, struct request *,
unsigned int);
/**
* @initialize_rq_fn: Called from inside blk_get_request().
*/
void (*initialize_rq_fn)(struct request *rq);
/**
* @cleanup_rq: Called before freeing one request which isn't completed
* yet, and usually for freeing the driver private data.
@@ -897,9 +892,6 @@ static inline bool rq_is_sync(struct request *rq)
}
void blk_rq_init(struct request_queue *q, struct request *rq);
void blk_put_request(struct request *rq);
struct request *blk_get_request(struct request_queue *q, unsigned int op,
blk_mq_req_flags_t flags);
int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
struct bio_set *bs, gfp_t gfp_mask,
int (*bio_ctr)(struct bio *, struct bio *, void *), void *data);
include/linux/blkdev.h
+20 -3
View File
@@ -399,7 +399,6 @@ struct request_queue {
#define QUEUE_FLAG_STATS 20 /* track IO start and completion times */
#define QUEUE_FLAG_POLL_STATS 21 /* collecting stats for hybrid polling */
#define QUEUE_FLAG_REGISTERED 22 /* queue has been registered to a disk */
#define QUEUE_FLAG_SCSI_PASSTHROUGH 23 /* queue supports SCSI commands */
#define QUEUE_FLAG_QUIESCED 24 /* queue has been quiesced */
#define QUEUE_FLAG_PCI_P2PDMA 25 /* device supports PCI p2p requests */
#define QUEUE_FLAG_ZONE_RESETALL 26 /* supports Zone Reset All */
@@ -433,8 +432,6 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q);
#define blk_queue_secure_erase(q) \
(test_bit(QUEUE_FLAG_SECERASE, &(q)->queue_flags))
#define blk_queue_dax(q) test_bit(QUEUE_FLAG_DAX, &(q)->queue_flags)
#define blk_queue_scsi_passthrough(q) \
test_bit(QUEUE_FLAG_SCSI_PASSTHROUGH, &(q)->queue_flags)
#define blk_queue_pci_p2pdma(q) \
test_bit(QUEUE_FLAG_PCI_P2PDMA, &(q)->queue_flags)
#ifdef CONFIG_BLK_RQ_ALLOC_TIME
@@ -1188,6 +1185,14 @@ static inline void blk_crypto_unregister(struct request_queue *q) { }
#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
enum blk_unique_id {
/* these match the Designator Types specified in SPC */
BLK_UID_T10 = 1,
BLK_UID_EUI64 = 2,
BLK_UID_NAA = 3,
};
#define NFL4_UFLG_MASK 0x0000003F
struct block_device_operations {
void (*submit_bio)(struct bio *bio);
@@ -1206,6 +1211,9 @@ struct block_device_operations {
int (*report_zones)(struct gendisk *, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
char *(*devnode)(struct gendisk *disk, umode_t *mode);
/* returns the length of the identifier or a negative errno: */
int (*get_unique_id)(struct gendisk *disk, u8 id[16],
enum blk_unique_id id_type);
struct module *owner;
const struct pr_ops *pr_ops;
@@ -1296,6 +1304,8 @@ int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
#ifdef CONFIG_BLOCK
void invalidate_bdev(struct block_device *bdev);
int sync_blockdev(struct block_device *bdev);
int sync_blockdev_nowait(struct block_device *bdev);
void sync_bdevs(bool wait);
#else
static inline void invalidate_bdev(struct block_device *bdev)
{
@@ -1304,6 +1314,13 @@ static inline int sync_blockdev(struct block_device *bdev)
{
return 0;
}
static inline int sync_blockdev_nowait(struct block_device *bdev)
{
return 0;
}
static inline void sync_bdevs(bool wait)
{
}
#endif
int fsync_bdev(struct block_device *bdev);
include/linux/fs.h
+1 -1
View File
@@ -330,7 +330,7 @@ struct kiocb {
randomized_struct_fields_start
loff_t ki_pos;
void (*ki_complete)(struct kiocb *iocb, long ret, long ret2);
void (*ki_complete)(struct kiocb *iocb, long ret);
void *private;
int ki_flags;
u16 ki_hint;
include/scsi/scsi_cmnd.h
+3
View File
@@ -396,4 +396,7 @@ static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
extern void scsi_build_sense(struct scsi_cmnd *scmd, int desc,
u8 key, u8 asc, u8 ascq);
struct request *scsi_alloc_request(struct request_queue *q,
unsigned int op, blk_mq_req_flags_t flags);
#endif /* _SCSI_SCSI_CMND_H */