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md: merge mddev faillast_dev into mddev_flags

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There is not need to use a separate field in struct mddev, there are no
functional changes.

Link: https://lore.kernel.org/linux-raid/20260114171241.3043364-4-yukuai@fnnas.com
Signed-off-by: Yu Kuai <yukuai@fnnas.com>
Reviewed-by: Li Nan <linan122@huawei.com>
This commit is contained in:
Yu Kuai
2026-01-15 01:12:31 +08:00
parent fba4a98040
commit 4f6d2e648c
6 changed files with 18 additions and 11 deletions
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3
drivers/md/md.h
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@@ -341,6 +341,7 @@ struct md_cluster_operations;
* @MD_BROKEN: This is used to stop writes and mark array as failed.
* @MD_DELETED: This device is being deleted
* @MD_HAS_SUPERBLOCK: There is persistence sb in member disks.
* @MD_FAILLAST_DEV: Allow last rdev to be removed.
*
* change UNSUPPORTED_MDDEV_FLAGS for each array type if new flag is added
*/
@@ -358,6 +359,7 @@ enum mddev_flags {
MD_DO_DELETE,
MD_DELETED,
MD_HAS_SUPERBLOCK,
MD_FAILLAST_DEV,
};
enum mddev_sb_flags {
@@ -625,7 +627,6 @@ struct mddev {
/* The sequence number for sync thread */
atomic_t sync_seq;
bool fail_last_dev:1;
bool serialize_policy:1;
};