diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/md.h | 76 | ||||
| -rw-r--r-- | drivers/md/raid1.h | 18 |
2 files changed, 46 insertions, 48 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 21bd94fad96a..af6b33c30d2d 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -192,6 +192,25 @@ extern int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors, int is_new); struct md_cluster_info; +enum mddev_flags { + MD_CHANGE_DEVS, /* Some device status has changed */ + MD_CHANGE_CLEAN, /* transition to or from 'clean' */ + MD_CHANGE_PENDING, /* switch from 'clean' to 'active' in progress */ + MD_ARRAY_FIRST_USE, /* First use of array, needs initialization */ + MD_CLOSING, /* If set, we are closing the array, do not open + * it then */ + MD_JOURNAL_CLEAN, /* A raid with journal is already clean */ + MD_HAS_JOURNAL, /* The raid array has journal feature set */ + MD_RELOAD_SB, /* Reload the superblock because another node + * updated it. + */ + MD_CLUSTER_RESYNC_LOCKED, /* cluster raid only, which means node + * already took resync lock, need to + * release the lock */ +}; +#define MD_UPDATE_SB_FLAGS (BIT(MD_CHANGE_DEVS) | \ + BIT(MD_CHANGE_CLEAN) | \ + BIT(MD_CHANGE_PENDING)) /* If these are set, md_update_sb needed */ struct mddev { void *private; struct md_personality *pers; @@ -199,21 +218,6 @@ struct mddev { int md_minor; struct list_head disks; unsigned long flags; -#define MD_CHANGE_DEVS 0 /* Some device status has changed */ -#define MD_CHANGE_CLEAN 1 /* transition to or from 'clean' */ -#define MD_CHANGE_PENDING 2 /* switch from 'clean' to 'active' in progress */ -#define MD_UPDATE_SB_FLAGS (1 | 2 | 4) /* If these are set, md_update_sb needed */ -#define MD_ARRAY_FIRST_USE 3 /* First use of array, needs initialization */ -#define MD_CLOSING 4 /* If set, we are closing the array, do not open - * it then */ -#define MD_JOURNAL_CLEAN 5 /* A raid with journal is already clean */ -#define MD_HAS_JOURNAL 6 /* The raid array has journal feature set */ -#define MD_RELOAD_SB 7 /* Reload the superblock because another node - * updated it. - */ -#define MD_CLUSTER_RESYNC_LOCKED 8 /* cluster raid only, which means node - * already took resync lock, need to - * release the lock */ int suspended; atomic_t active_io; @@ -307,31 +311,6 @@ struct mddev { int parallel_resync; int ok_start_degraded; - /* recovery/resync flags - * NEEDED: we might need to start a resync/recover - * RUNNING: a thread is running, or about to be started - * SYNC: actually doing a resync, not a recovery - * RECOVER: doing recovery, or need to try it. - * INTR: resync needs to be aborted for some reason - * DONE: thread is done and is waiting to be reaped - * REQUEST: user-space has requested a sync (used with SYNC) - * CHECK: user-space request for check-only, no repair - * RESHAPE: A reshape is happening - * ERROR: sync-action interrupted because io-error - * - * If neither SYNC or RESHAPE are set, then it is a recovery. - */ -#define MD_RECOVERY_RUNNING 0 -#define MD_RECOVERY_SYNC 1 -#define MD_RECOVERY_RECOVER 2 -#define MD_RECOVERY_INTR 3 -#define MD_RECOVERY_DONE 4 -#define MD_RECOVERY_NEEDED 5 -#define MD_RECOVERY_REQUESTED 6 -#define MD_RECOVERY_CHECK 7 -#define MD_RECOVERY_RESHAPE 8 -#define MD_RECOVERY_FROZEN 9 -#define MD_RECOVERY_ERROR 10 unsigned long recovery; /* If a RAID personality determines that recovery (of a particular @@ -445,6 +424,23 @@ struct mddev { unsigned int good_device_nr; /* good device num within cluster raid */ }; +enum recovery_flags { + /* + * If neither SYNC or RESHAPE are set, then it is a recovery. + */ + MD_RECOVERY_RUNNING, /* a thread is running, or about to be started */ + MD_RECOVERY_SYNC, /* actually doing a resync, not a recovery */ + MD_RECOVERY_RECOVER, /* doing recovery, or need to try it. */ + MD_RECOVERY_INTR, /* resync needs to be aborted for some reason */ + MD_RECOVERY_DONE, /* thread is done and is waiting to be reaped */ + MD_RECOVERY_NEEDED, /* we might need to start a resync/recover */ + MD_RECOVERY_REQUESTED, /* user-space has requested a sync (used with SYNC) */ + MD_RECOVERY_CHECK, /* user-space request for check-only, no repair */ + MD_RECOVERY_RESHAPE, /* A reshape is happening */ + MD_RECOVERY_FROZEN, /* User request to abort, and not restart, any action */ + MD_RECOVERY_ERROR, /* sync-action interrupted because io-error */ +}; + static inline int __must_check mddev_lock(struct mddev *mddev) { return mutex_lock_interruptible(&mddev->reconfig_mutex); diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index 61c39b390cd8..5ec19449779d 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -161,14 +161,15 @@ struct r1bio { }; /* bits for r1bio.state */ -#define R1BIO_Uptodate 0 -#define R1BIO_IsSync 1 -#define R1BIO_Degraded 2 -#define R1BIO_BehindIO 3 +enum r1bio_state { + R1BIO_Uptodate, + R1BIO_IsSync, + R1BIO_Degraded, + R1BIO_BehindIO, /* Set ReadError on bios that experience a readerror so that * raid1d knows what to do with them. */ -#define R1BIO_ReadError 4 + R1BIO_ReadError, /* For write-behind requests, we call bi_end_io when * the last non-write-behind device completes, providing * any write was successful. Otherwise we call when @@ -176,10 +177,11 @@ struct r1bio { * with failure when last write completes (and all failed). * Record that bi_end_io was called with this flag... */ -#define R1BIO_Returned 6 + R1BIO_Returned, /* If a write for this request means we can clear some * known-bad-block records, we set this flag */ -#define R1BIO_MadeGood 7 -#define R1BIO_WriteError 8 + R1BIO_MadeGood, + R1BIO_WriteError, +}; #endif |