diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index fa4b607854ac..1e586bb4452e 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -81,12 +81,29 @@ struct mdk_rdev_s #define In_sync 2 /* device is in_sync with rest of array */ #define WriteMostly 4 /* Avoid reading if at all possible */ #define AutoDetected 7 /* added by auto-detect */ -#define Blocked 8 /* An error occurred on an externally - * managed array, don't allow writes +#define Blocked 8 /* An error occurred but has not yet + * been acknowledged by the metadata + * handler, so don't allow writes * until it is cleared */ #define WriteErrorSeen 9 /* A write error has been seen on this * device */ +#define FaultRecorded 10 /* Intermediate state for clearing + * Blocked. The Fault is/will-be + * recorded in the metadata, but that + * metadata hasn't been stored safely + * on disk yet. + */ +#define BlockedBadBlocks 11 /* A writer is blocked because they + * found an unacknowledged bad-block. + * This can safely be cleared at any + * time, and the writer will re-check. + * It may be set at any time, and at + * worst the writer will timeout and + * re-check. So setting it as + * accurately as possible is good, but + * not absolutely critical. + */ wait_queue_head_t blocked_wait; int desc_nr; /* descriptor index in the superblock */ @@ -124,6 +141,10 @@ struct mdk_rdev_s struct badblocks { int count; /* count of bad blocks */ + int unacked_exist; /* there probably are unacknowledged + * bad blocks. This is only cleared + * when a read discovers none + */ int shift; /* shift from sectors to block size * a -ve shift means badblocks are * disabled.*/ |