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target: remove the unused struct iblock_hba

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There is no reason to allocate a struct just to store the host number for
a debug printk in the detach path.  I've simply removed the verbose
debugging given that the calling code thinks the number passed in is
something different from a host ID anyway.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2011-12-21 14:20:10 -05:00 committed by Nicholas Bellinger
parent 3d26fea01d
commit 6e315a066d
2 changed files with 0 additions and 31 deletions
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26
drivers/target/target_core_iblock.c
View File

@ -56,51 +56,25 @@ static void iblock_bio_done(struct bio *, int);
*/ */
static int iblock_attach_hba(struct se_hba *hba, u32 host_id) static int iblock_attach_hba(struct se_hba *hba, u32 host_id)
{ {
struct iblock_hba *ib_host;
ib_host = kzalloc(sizeof(struct iblock_hba), GFP_KERNEL);
if (!ib_host) {
pr_err("Unable to allocate memory for"
" struct iblock_hba\n");
return -ENOMEM;
}
ib_host->iblock_host_id = host_id;
hba->hba_ptr = ib_host;
pr_debug("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, " Generic Target Core Stack %s\n", hba->hba_id,
IBLOCK_VERSION, TARGET_CORE_MOD_VERSION); IBLOCK_VERSION, TARGET_CORE_MOD_VERSION);
pr_debug("CORE_HBA[%d] - Attached iBlock HBA: %u to Generic\n",
hba->hba_id, ib_host->iblock_host_id);
return 0; return 0;
} }
static void iblock_detach_hba(struct se_hba *hba) static void iblock_detach_hba(struct se_hba *hba)
{ {
struct iblock_hba *ib_host = hba->hba_ptr;
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);
hba->hba_ptr = NULL;
} }
static void *iblock_allocate_virtdevice(struct se_hba *hba, const char *name) static void *iblock_allocate_virtdevice(struct se_hba *hba, const char *name)
{ {
struct iblock_dev *ib_dev = NULL; struct iblock_dev *ib_dev = NULL;
struct iblock_hba *ib_host = hba->hba_ptr;
ib_dev = kzalloc(sizeof(struct iblock_dev), GFP_KERNEL); ib_dev = kzalloc(sizeof(struct iblock_dev), GFP_KERNEL);
if (!ib_dev) { if (!ib_dev) {
pr_err("Unable to allocate struct iblock_dev\n"); pr_err("Unable to allocate struct iblock_dev\n");
return NULL; return NULL;
} }
ib_dev->ibd_host = ib_host;
pr_debug( "IBLOCK: Allocated ib_dev for %s\n", name); pr_debug( "IBLOCK: Allocated ib_dev for %s\n", name);

5
drivers/target/target_core_iblock.h
View File

@ -19,11 +19,6 @@ struct iblock_dev {
u32 ibd_flags; u32 ibd_flags;
struct bio_set *ibd_bio_set; struct bio_set *ibd_bio_set;
struct block_device *ibd_bd; struct block_device *ibd_bd;
struct iblock_hba *ibd_host;
} ____cacheline_aligned;
struct iblock_hba {
int iblock_host_id;
} ____cacheline_aligned; } ____cacheline_aligned;
#endif /* TARGET_CORE_IBLOCK_H */ #endif /* TARGET_CORE_IBLOCK_H */