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authorIngo Molnar <mingo@kernel.org>2021-03-29 15:56:48 +0200
committerIngo Molnar <mingo@kernel.org>2021-03-29 15:56:48 +0200
commitfeecb81732d8f271440d907beb082425e109f877 (patch)
treeaf55ca33d43cf3b3c2b82e9860df7d01be061a0f /include/linux/device-mapper.h
parentbd9a5fc2edb0bdcb0756298daa31ddd6a02f0634 (diff)
parenta5e13c6df0e41702d2b2c77c8ad41677ebb065b3 (diff)
downloadcachepc-linux-feecb81732d8f271440d907beb082425e109f877.tar.gz
cachepc-linux-feecb81732d8f271440d907beb082425e109f877.zip
Merge tag 'v5.12-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 7f4ac87c0b32..5c641f930caf 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -253,7 +253,11 @@ struct target_type {
#define dm_target_passes_integrity(type) ((type)->features & DM_TARGET_PASSES_INTEGRITY)
/*
- * Indicates that a target supports host-managed zoned block devices.
+ * Indicates support for zoned block devices:
+ * - DM_TARGET_ZONED_HM: the target also supports host-managed zoned
+ * block devices but does not support combining different zoned models.
+ * - DM_TARGET_MIXED_ZONED_MODEL: the target supports combining multiple
+ * devices with different zoned models.
*/
#ifdef CONFIG_BLK_DEV_ZONED
#define DM_TARGET_ZONED_HM 0x00000040
@@ -275,6 +279,15 @@ struct target_type {
#define DM_TARGET_PASSES_CRYPTO 0x00000100
#define dm_target_passes_crypto(type) ((type)->features & DM_TARGET_PASSES_CRYPTO)
+#ifdef CONFIG_BLK_DEV_ZONED
+#define DM_TARGET_MIXED_ZONED_MODEL 0x00000200
+#define dm_target_supports_mixed_zoned_model(type) \
+ ((type)->features & DM_TARGET_MIXED_ZONED_MODEL)
+#else
+#define DM_TARGET_MIXED_ZONED_MODEL 0x00000000
+#define dm_target_supports_mixed_zoned_model(type) (false)
+#endif
+
struct dm_target {
struct dm_table *table;
struct target_type *type;