diff options
| author | Christoph Hellwig <hch@infradead.org> | 2011-10-14 07:30:17 -0400 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-10-24 03:21:31 +0000 |
| commit | f55918fa3202a646dad2404f7de008108edc5048 (patch) | |
| tree | 6b39361985ad31ce9511763e504dfdf89e92412b /drivers/target/target_core_iblock.c | |
| parent | df5fa691ce61aedd3e4dbcf960ee44f05b797d8b (diff) | |
target: clean up the backend interface to caching parameters
Remove the dpo_emulated, fua_write_emulated, fua_read_emulated and
write_cache_emulated methods, and replace them with a simple bitfields in
se_subsystem_api in those cases where they ever returned one.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index d9ad2a216ea..41ad02b5fb8 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -351,34 +351,6 @@ static void iblock_emulate_sync_cache(struct se_task *task) submit_bio(WRITE_FLUSH, bio); } -/* - * Tell TCM Core that we are capable of WriteCache emulation for - * an underlying struct se_device. - */ -static int iblock_emulated_write_cache(struct se_device *dev) -{ - return 1; -} - -static int iblock_emulated_dpo(struct se_device *dev) -{ - return 0; -} - -/* - * Tell TCM Core that we will be emulating Forced Unit Access (FUA) for WRITEs - * for TYPE_DISK. - */ -static int iblock_emulated_fua_write(struct se_device *dev) -{ - return 1; -} - -static int iblock_emulated_fua_read(struct se_device *dev) -{ - return 0; -} - static int iblock_do_discard(struct se_device *dev, sector_t lba, u32 range) { struct iblock_dev *ibd = dev->dev_ptr; @@ -679,15 +651,13 @@ static struct se_subsystem_api iblock_template = { .name = "iblock", .owner = THIS_MODULE, .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, + .write_cache_emulated = 1, + .fua_write_emulated = 1, .attach_hba = iblock_attach_hba, .detach_hba = iblock_detach_hba, .allocate_virtdevice = iblock_allocate_virtdevice, .create_virtdevice = iblock_create_virtdevice, .free_device = iblock_free_device, - .dpo_emulated = iblock_emulated_dpo, - .fua_write_emulated = iblock_emulated_fua_write, - .fua_read_emulated = iblock_emulated_fua_read, - .write_cache_emulated = iblock_emulated_write_cache, .alloc_task = iblock_alloc_task, .do_task = iblock_do_task, .do_discard = iblock_do_discard, |