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| author | Mike Snitzer <snitzer@redhat.com> | 2016-05-12 16:28:10 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2016-06-10 15:15:44 -0400 |
| commit | 4cc96131afce3eaae7c13dff41c6ba771cf10e96 (patch) | |
| tree | 1015e8bd091d2c108fb3d100cfd275c25c89afb3 /drivers/md/dm.h | |
| parent | 1a89694f7899d39aa58cc6f061e97a17089ac025 (diff) | |
| download | linux-4cc96131afce3eaae7c13dff41c6ba771cf10e96.tar.gz linux-4cc96131afce3eaae7c13dff41c6ba771cf10e96.tar.bz2 linux-4cc96131afce3eaae7c13dff41c6ba771cf10e96.zip | |
dm: move request-based code out to dm-rq.[hc]
Add some seperation between bio-based and request-based DM core code.
'struct mapped_device' and other DM core only structures and functions
have been moved to dm-core.h and all relevant DM core .c files have been
updated to include dm-core.h rather than dm.h
DM targets should _never_ include dm-core.h!
[block core merge conflict resolution from Stephen Rothwell]
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'drivers/md/dm.h')
| -rw-r--r-- | drivers/md/dm.h | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 13a758ec0f88..b611b3064a7c 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -13,6 +13,7 @@ #include <linux/fs.h> #include <linux/device-mapper.h> #include <linux/list.h> +#include <linux/moduleparam.h> #include <linux/blkdev.h> #include <linux/backing-dev.h> #include <linux/hdreg.h> @@ -161,16 +162,6 @@ void dm_interface_exit(void); /* * sysfs interface */ -struct dm_kobject_holder { - struct kobject kobj; - struct completion completion; -}; - -static inline struct completion *dm_get_completion_from_kobject(struct kobject *kobj) -{ - return &container_of(kobj, struct dm_kobject_holder, kobj)->completion; -} - int dm_sysfs_init(struct mapped_device *md); void dm_sysfs_exit(struct mapped_device *md); struct kobject *dm_kobject(struct mapped_device *md); @@ -212,8 +203,6 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, void dm_internal_suspend(struct mapped_device *md); void dm_internal_resume(struct mapped_device *md); -bool dm_use_blk_mq(struct mapped_device *md); - int dm_io_init(void); void dm_io_exit(void); @@ -228,18 +217,8 @@ struct dm_md_mempools *dm_alloc_md_mempools(struct mapped_device *md, unsigned t void dm_free_md_mempools(struct dm_md_mempools *pools); /* - * Helpers that are used by DM core + * Various helpers */ unsigned dm_get_reserved_bio_based_ios(void); -unsigned dm_get_reserved_rq_based_ios(void); - -static inline bool dm_message_test_buffer_overflow(char *result, unsigned maxlen) -{ - return !maxlen || strlen(result) + 1 >= maxlen; -} - -ssize_t dm_attr_rq_based_seq_io_merge_deadline_show(struct mapped_device *md, char *buf); -ssize_t dm_attr_rq_based_seq_io_merge_deadline_store(struct mapped_device *md, - const char *buf, size_t count); #endif |