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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /include/linux/device-mapper.h
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index a90222e3297d..08d783592b73 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -13,7 +13,6 @@
struct dm_target;
struct dm_table;
-struct dm_dev;
struct mapped_device;
struct bio_vec;
@@ -84,6 +83,12 @@ void dm_error(const char *message);
*/
void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev);
+struct dm_dev {
+ struct block_device *bdev;
+ int mode;
+ char name[16];
+};
+
/*
* Constructors should call these functions to ensure destination devices
* are opened/closed correctly.
@@ -202,6 +207,7 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid);
struct gendisk *dm_disk(struct mapped_device *md);
int dm_suspended(struct mapped_device *md);
int dm_noflush_suspending(struct dm_target *ti);
+union map_info *dm_get_mapinfo(struct bio *bio);
/*
* Geometry functions.
@@ -232,6 +238,11 @@ int dm_table_add_target(struct dm_table *t, const char *type,
int dm_table_complete(struct dm_table *t);
/*
+ * Unplug all devices in a table.
+ */
+void dm_table_unplug_all(struct dm_table *t);
+
+/*
* Table reference counting.
*/
struct dm_table *dm_get_table(struct mapped_device *md);
@@ -256,6 +267,11 @@ void dm_table_event(struct dm_table *t);
*/
int dm_swap_table(struct mapped_device *md, struct dm_table *t);
+/*
+ * A wrapper around vmalloc.
+ */
+void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
+
/*-----------------------------------------------------------------
* Macros.
*---------------------------------------------------------------*/