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authorJens Axboe <[email protected]>2019-09-13 15:02:04 -0600
committerJens Axboe <[email protected]>2019-09-13 15:02:04 -0600
commit99e5381d548db60ce05f3f39d1ca554caa85db6d (patch)
treeef55a627de233ea52d6deac581d9c32220936c1d /include
parent21fa1004ff5d749c90cef77525b73a49ef5583dc (diff)
parent067df25c83902e2950ef24fed713f0fa38282f34 (diff)
Merge branch 'md-next' of git://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.4/block
Pull MD fixes from Song. * 'md-next' of git://git.kernel.org/pub/scm/linux/kernel/git/song/md: raid5: use bio_end_sector in r5_next_bio raid5: remove STRIPE_OPS_REQ_PENDING md: add feature flag MD_FEATURE_RAID0_LAYOUT md/raid0: avoid RAID0 data corruption due to layout confusion. raid5: don't set STRIPE_HANDLE to stripe which is in batch list raid5: don't increment read_errors on EILSEQ return
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/raid/md_p.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h
index b0d15c73f6d7..1f2d8c81f0e0 100644
--- a/include/uapi/linux/raid/md_p.h
+++ b/include/uapi/linux/raid/md_p.h
@@ -329,6 +329,7 @@ struct mdp_superblock_1 {
#define MD_FEATURE_JOURNAL 512 /* support write cache */
#define MD_FEATURE_PPL 1024 /* support PPL */
#define MD_FEATURE_MULTIPLE_PPLS 2048 /* support for multiple PPLs */
+#define MD_FEATURE_RAID0_LAYOUT 4096 /* layout is meaningful for RAID0 */
#define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET \
|MD_FEATURE_RECOVERY_OFFSET \
|MD_FEATURE_RESHAPE_ACTIVE \
@@ -341,6 +342,7 @@ struct mdp_superblock_1 {
|MD_FEATURE_JOURNAL \
|MD_FEATURE_PPL \
|MD_FEATURE_MULTIPLE_PPLS \
+ |MD_FEATURE_RAID0_LAYOUT \
)
struct r5l_payload_header {