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authorChristoph Hellwig <hch@infradead.org>2011-10-14 07:30:17 -0400
committerNicholas Bellinger <nab@linux-iscsi.org>2011-10-24 03:21:31 +0000
commitf55918fa3202a646dad2404f7de008108edc5048 (patch)
tree6b39361985ad31ce9511763e504dfdf89e92412b /drivers/target/target_core_file.c
parentdf5fa691ce61aedd3e4dbcf960ee44f05b797d8b (diff)
downloadvexpress-lsk-f55918fa3202a646dad2404f7de008108edc5048.tar.gz
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_file.c')
-rw-r--r--drivers/target/target_core_file.c33
1 files changed, 2 insertions, 31 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 98aa5836448..19a0be9c657 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -400,33 +400,6 @@ static void fd_emulate_sync_cache(struct se_task *task)
}
/*
- * Tell TCM Core that we are capable of WriteCache emulation for
- * an underlying struct se_device.
- */
-static int fd_emulated_write_cache(struct se_device *dev)
-{
- return 1;
-}
-
-static int fd_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 fd_emulated_fua_write(struct se_device *dev)
-{
- return 1;
-}
-
-static int fd_emulated_fua_read(struct se_device *dev)
-{
- return 0;
-}
-
-/*
* WRITE Force Unit Access (FUA) emulation on a per struct se_task
* LBA range basis..
*/
@@ -640,15 +613,13 @@ static struct se_subsystem_api fileio_template = {
.name = "fileio",
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
+ .write_cache_emulated = 1,
+ .fua_write_emulated = 1,
.attach_hba = fd_attach_hba,
.detach_hba = fd_detach_hba,
.allocate_virtdevice = fd_allocate_virtdevice,
.create_virtdevice = fd_create_virtdevice,
.free_device = fd_free_device,
- .dpo_emulated = fd_emulated_dpo,
- .fua_write_emulated = fd_emulated_fua_write,
- .fua_read_emulated = fd_emulated_fua_read,
- .write_cache_emulated = fd_emulated_write_cache,
.alloc_task = fd_alloc_task,
.do_task = fd_do_task,
.do_sync_cache = fd_emulate_sync_cache,