#include "target_core_iblock.h"
-#if 0
-#define DEBUG_IBLOCK(x...) printk(x)
-#else
-#define DEBUG_IBLOCK(x...)
-#endif
-
static struct se_subsystem_api iblock_template;
static void iblock_bio_done(struct bio *, int);
struct iblock_hba *ib_host;
ib_host = kzalloc(sizeof(struct iblock_hba), GFP_KERNEL);
- if (!(ib_host)) {
- printk(KERN_ERR "Unable to allocate memory for"
+ if (!ib_host) {
+ pr_err("Unable to allocate memory for"
" struct iblock_hba\n");
return -ENOMEM;
}
hba->hba_ptr = ib_host;
- printk(KERN_INFO "CORE_HBA[%d] - TCM iBlock HBA Driver %s on"
+ pr_debug("CORE_HBA[%d] - TCM iBlock HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
IBLOCK_VERSION, TARGET_CORE_MOD_VERSION);
- printk(KERN_INFO "CORE_HBA[%d] - Attached iBlock HBA: %u to Generic\n",
+ pr_debug("CORE_HBA[%d] - Attached iBlock HBA: %u to Generic\n",
hba->hba_id, ib_host->iblock_host_id);
return 0;
{
struct iblock_hba *ib_host = hba->hba_ptr;
- printk(KERN_INFO "CORE_HBA[%d] - Detached iBlock HBA: %u from Generic"
+ pr_debug("CORE_HBA[%d] - Detached iBlock HBA: %u from Generic"
" Target Core\n", hba->hba_id, ib_host->iblock_host_id);
kfree(ib_host);
struct iblock_hba *ib_host = hba->hba_ptr;
ib_dev = kzalloc(sizeof(struct iblock_dev), GFP_KERNEL);
- if (!(ib_dev)) {
- printk(KERN_ERR "Unable to allocate struct iblock_dev\n");
+ if (!ib_dev) {
+ pr_err("Unable to allocate struct iblock_dev\n");
return NULL;
}
ib_dev->ibd_host = ib_host;
- printk(KERN_INFO "IBLOCK: Allocated ib_dev for %s\n", name);
+ pr_debug( "IBLOCK: Allocated ib_dev for %s\n", name);
return ib_dev;
}
u32 dev_flags = 0;
int ret = -EINVAL;
- if (!(ib_dev)) {
- printk(KERN_ERR "Unable to locate struct iblock_dev parameter\n");
+ if (!ib_dev) {
+ pr_err("Unable to locate struct iblock_dev parameter\n");
return ERR_PTR(ret);
}
memset(&dev_limits, 0, sizeof(struct se_dev_limits));
* These settings need to be made tunable..
*/
ib_dev->ibd_bio_set = bioset_create(32, 64);
- if (!(ib_dev->ibd_bio_set)) {
- printk(KERN_ERR "IBLOCK: Unable to create bioset()\n");
+ if (!ib_dev->ibd_bio_set) {
+ pr_err("IBLOCK: Unable to create bioset()\n");
return ERR_PTR(-ENOMEM);
}
- printk(KERN_INFO "IBLOCK: Created bio_set()\n");
+ pr_debug("IBLOCK: Created bio_set()\n");
/*
* iblock_check_configfs_dev_params() ensures that ib_dev->ibd_udev_path
* must already have been set in order for echo 1 > $HBA/$DEV/enable to run.
*/
- printk(KERN_INFO "IBLOCK: Claiming struct block_device: %s\n",
+ pr_debug( "IBLOCK: Claiming struct block_device: %s\n",
ib_dev->ibd_udev_path);
bd = blkdev_get_by_path(ib_dev->ibd_udev_path,
dev = transport_add_device_to_core_hba(hba,
&iblock_template, se_dev, dev_flags, ib_dev,
&dev_limits, "IBLOCK", IBLOCK_VERSION);
- if (!(dev))
+ if (!dev)
goto failed;
/*
dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
q->limits.discard_alignment;
- printk(KERN_INFO "IBLOCK: BLOCK Discard support available,"
+ pr_debug("IBLOCK: BLOCK Discard support available,"
" disabled by default\n");
}
}
static struct se_task *
-iblock_alloc_task(struct se_cmd *cmd)
+iblock_alloc_task(unsigned char *cdb)
{
struct iblock_req *ib_req;
ib_req = kzalloc(sizeof(struct iblock_req), GFP_KERNEL);
- if (!(ib_req)) {
- printk(KERN_ERR "Unable to allocate memory for struct iblock_req\n");
+ if (!ib_req) {
+ pr_err("Unable to allocate memory for struct iblock_req\n");
return NULL;
}
- ib_req->ib_dev = cmd->se_dev->dev_ptr;
atomic_set(&ib_req->ib_bio_cnt, 0);
return &ib_req->ib_task;
}
*/
ret = blkdev_issue_flush(ib_dev->ibd_bd, GFP_KERNEL, &error_sector);
if (ret != 0) {
- printk(KERN_ERR "IBLOCK: block_issue_flush() failed: %d "
+ pr_err("IBLOCK: block_issue_flush() failed: %d "
" error_sector: %llu\n", ret,
(unsigned long long)error_sector);
}
while (bio) {
nbio = bio->bi_next;
bio->bi_next = NULL;
- DEBUG_IBLOCK("Calling submit_bio() task: %p bio: %p"
- " bio->bi_sector: %llu\n", task, bio, bio->bi_sector);
+ pr_debug("Calling submit_bio() task: %p bio: %p"
+ " bio->bi_sector: %llu\n", task, bio,
+ (unsigned long long)bio->bi_sector);
submit_bio(rw, bio);
bio = nbio;
switch (token) {
case Opt_udev_path:
if (ib_dev->ibd_bd) {
- printk(KERN_ERR "Unable to set udev_path= while"
+ pr_err("Unable to set udev_path= while"
" ib_dev->ibd_bd exists\n");
ret = -EEXIST;
goto out;
snprintf(ib_dev->ibd_udev_path, SE_UDEV_PATH_LEN,
"%s", arg_p);
kfree(arg_p);
- printk(KERN_INFO "IBLOCK: Referencing UDEV path: %s\n",
+ pr_debug("IBLOCK: Referencing UDEV path: %s\n",
ib_dev->ibd_udev_path);
ib_dev->ibd_flags |= IBDF_HAS_UDEV_PATH;
break;
struct iblock_dev *ibd = se_dev->se_dev_su_ptr;
if (!(ibd->ibd_flags & IBDF_HAS_UDEV_PATH)) {
- printk(KERN_ERR "Missing udev_path= parameters for IBLOCK\n");
+ pr_err("Missing udev_path= parameters for IBLOCK\n");
return -EINVAL;
}
struct bio *bio;
bio = bio_alloc_bioset(GFP_NOIO, sg_num, ib_dev->ibd_bio_set);
- if (!(bio)) {
- printk(KERN_ERR "Unable to allocate memory for bio\n");
+ if (!bio) {
+ pr_err("Unable to allocate memory for bio\n");
*ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
return NULL;
}
- DEBUG_IBLOCK("Allocated bio: %p task_sg_num: %u using ibd_bio_set:"
- " %p\n", bio, task->task_sg_num, ib_dev->ibd_bio_set);
- DEBUG_IBLOCK("Allocated bio: %p task_size: %u\n", bio, task->task_size);
+ pr_debug("Allocated bio: %p task_sg_nents: %u using ibd_bio_set:"
+ " %p\n", bio, task->task_sg_nents, ib_dev->ibd_bio_set);
+ pr_debug("Allocated bio: %p task_size: %u\n", bio, task->task_size);
bio->bi_bdev = ib_dev->ibd_bd;
bio->bi_private = task;
bio->bi_sector = lba;
atomic_inc(&ib_req->ib_bio_cnt);
- DEBUG_IBLOCK("Set bio->bi_sector: %llu\n", bio->bi_sector);
- DEBUG_IBLOCK("Set ib_req->ib_bio_cnt: %d\n",
+ pr_debug("Set bio->bi_sector: %llu\n", (unsigned long long)bio->bi_sector);
+ pr_debug("Set ib_req->ib_bio_cnt: %d\n",
atomic_read(&ib_req->ib_bio_cnt));
return bio;
}
struct bio *bio = NULL, *hbio = NULL, *tbio = NULL;
struct scatterlist *sg;
int ret = 0;
- u32 i, sg_num = task->task_sg_num;
+ u32 i, sg_num = task->task_sg_nents;
sector_t block_lba;
/*
* Do starting conversion up from non 512-byte blocksize with
else if (dev->se_sub_dev->se_dev_attrib.block_size == 512)
block_lba = task->task_lba;
else {
- printk(KERN_ERR "Unsupported SCSI -> BLOCK LBA conversion:"
+ pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
" %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
return PYX_TRANSPORT_LU_COMM_FAILURE;
}
bio = iblock_get_bio(task, ib_req, ib_dev, &ret, block_lba, sg_num);
- if (!(bio))
+ if (!bio)
return ret;
ib_req->ib_bio = bio;
* Use fs/bio.c:bio_add_pages() to setup the bio_vec maplist
* from task->task_sg -> struct scatterlist memory.
*/
- for_each_sg(task->task_sg, sg, task->task_sg_num, i) {
- DEBUG_IBLOCK("task: %p bio: %p Calling bio_add_page(): page:"
+ for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+ pr_debug("task: %p bio: %p Calling bio_add_page(): page:"
" %p len: %u offset: %u\n", task, bio, sg_page(sg),
sg->length, sg->offset);
again:
ret = bio_add_page(bio, sg_page(sg), sg->length, sg->offset);
if (ret != sg->length) {
- DEBUG_IBLOCK("*** Set bio->bi_sector: %llu\n",
- bio->bi_sector);
- DEBUG_IBLOCK("** task->task_size: %u\n",
+ pr_debug("*** Set bio->bi_sector: %llu\n",
+ (unsigned long long)bio->bi_sector);
+ pr_debug("** task->task_size: %u\n",
task->task_size);
- DEBUG_IBLOCK("*** bio->bi_max_vecs: %u\n",
+ pr_debug("*** bio->bi_max_vecs: %u\n",
bio->bi_max_vecs);
- DEBUG_IBLOCK("*** bio->bi_vcnt: %u\n",
+ pr_debug("*** bio->bi_vcnt: %u\n",
bio->bi_vcnt);
bio = iblock_get_bio(task, ib_req, ib_dev, &ret,
block_lba, sg_num);
- if (!(bio))
+ if (!bio)
goto fail;
tbio = tbio->bi_next = bio;
- DEBUG_IBLOCK("-----------------> Added +1 bio: %p to"
+ pr_debug("-----------------> Added +1 bio: %p to"
" list, Going to again\n", bio);
goto again;
}
/* Always in 512 byte units for Linux/Block */
block_lba += sg->length >> IBLOCK_LBA_SHIFT;
sg_num--;
- DEBUG_IBLOCK("task: %p bio-add_page() passed!, decremented"
+ pr_debug("task: %p bio-add_page() passed!, decremented"
" sg_num to %u\n", task, sg_num);
- DEBUG_IBLOCK("task: %p bio_add_page() passed!, increased lba"
- " to %llu\n", task, block_lba);
- DEBUG_IBLOCK("task: %p bio_add_page() passed!, bio->bi_vcnt:"
+ pr_debug("task: %p bio_add_page() passed!, increased lba"
+ " to %llu\n", task, (unsigned long long)block_lba);
+ pr_debug("task: %p bio_add_page() passed!, bio->bi_vcnt:"
" %u\n", task, bio->bi_vcnt);
}
/*
* Set -EIO if !BIO_UPTODATE and the passed is still err=0
*/
- if (!(test_bit(BIO_UPTODATE, &bio->bi_flags)) && !(err))
+ if (!test_bit(BIO_UPTODATE, &bio->bi_flags) && !err)
err = -EIO;
if (err != 0) {
- printk(KERN_ERR "test_bit(BIO_UPTODATE) failed for bio: %p,"
+ pr_err("test_bit(BIO_UPTODATE) failed for bio: %p,"
" err: %d\n", bio, err);
/*
* Bump the ib_bio_err_cnt and release bio.
/*
* Wait to complete the task until the last bio as completed.
*/
- if (!(atomic_dec_and_test(&ibr->ib_bio_cnt)))
+ if (!atomic_dec_and_test(&ibr->ib_bio_cnt))
return;
ibr->ib_bio = NULL;
transport_complete_task(task, 0);
return;
}
- DEBUG_IBLOCK("done[%p] bio: %p task_lba: %llu bio_lba: %llu err=%d\n",
- task, bio, task->task_lba, bio->bi_sector, err);
+ pr_debug("done[%p] bio: %p task_lba: %llu bio_lba: %llu err=%d\n",
+ task, bio, task->task_lba, (unsigned long long)bio->bi_sector, err);
/*
* bio_put() will call iblock_bio_destructor() to release the bio back
* to ibr->ib_bio_set.
/*
* Wait to complete the task until the last bio as completed.
*/
- if (!(atomic_dec_and_test(&ibr->ib_bio_cnt)))
+ if (!atomic_dec_and_test(&ibr->ib_bio_cnt))
return;
/*
* Return GOOD status for task if zero ib_bio_err_cnt exists.
git.openpandora.org / pandora-kernel.git / blobdiff