diff options
Diffstat (limited to 'drivers/md/dm.h')
| -rw-r--r-- | drivers/md/dm.h | 36 |
1 files changed, 4 insertions, 32 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 13a758ec0f88..f0aad08b9654 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> @@ -33,14 +34,6 @@ #define DM_STATUS_NOFLUSH_FLAG (1 << 0) /* - * Type of table and mapped_device's mempool - */ -#define DM_TYPE_NONE 0 -#define DM_TYPE_BIO_BASED 1 -#define DM_TYPE_REQUEST_BASED 2 -#define DM_TYPE_MQ_REQUEST_BASED 3 - -/* * List of devices that a metadevice uses and should open/close. */ struct dm_dev_internal { @@ -75,8 +68,9 @@ unsigned dm_table_get_type(struct dm_table *t); struct target_type *dm_table_get_immutable_target_type(struct dm_table *t); struct dm_target *dm_table_get_immutable_target(struct dm_table *t); struct dm_target *dm_table_get_wildcard_target(struct dm_table *t); +bool dm_table_bio_based(struct dm_table *t); bool dm_table_request_based(struct dm_table *t); -bool dm_table_mq_request_based(struct dm_table *t); +bool dm_table_all_blk_mq_devices(struct dm_table *t); void dm_table_free_md_mempools(struct dm_table *t); struct dm_md_mempools *dm_table_get_md_mempools(struct dm_table *t); @@ -161,16 +155,6 @@ 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 +196,6 @@ 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 +210,8 @@ 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 |