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 | |||
| 81 | #define In_sync 2 /* device is in_sync with rest of array */ | 81 | #define In_sync 2 /* device is in_sync with rest of array */ |
| 82 | #define WriteMostly 4 /* Avoid reading if at all possible */ | 82 | #define WriteMostly 4 /* Avoid reading if at all possible */ |
| 83 | #define AutoDetected 7 /* added by auto-detect */ | 83 | #define AutoDetected 7 /* added by auto-detect */ |
| 84 | #define Blocked 8 /* An error occurred on an externally | 84 | #define Blocked 8 /* An error occurred but has not yet |
| 85 | * managed array, don't allow writes | 85 | * been acknowledged by the metadata |
| 86 | * handler, so don't allow writes | ||
| 86 | * until it is cleared */ | 87 | * until it is cleared */ |
| 87 | #define WriteErrorSeen 9 /* A write error has been seen on this | 88 | #define WriteErrorSeen 9 /* A write error has been seen on this |
| 88 | * device | 89 | * device |
| 89 | */ | 90 | */ |
| 91 | #define FaultRecorded 10 /* Intermediate state for clearing | ||
| 92 | * Blocked. The Fault is/will-be | ||
| 93 | * recorded in the metadata, but that | ||
| 94 | * metadata hasn't been stored safely | ||
| 95 | * on disk yet. | ||
| 96 | */ | ||
| 97 | #define BlockedBadBlocks 11 /* A writer is blocked because they | ||
| 98 | * found an unacknowledged bad-block. | ||
| 99 | * This can safely be cleared at any | ||
| 100 | * time, and the writer will re-check. | ||
| 101 | * It may be set at any time, and at | ||
| 102 | * worst the writer will timeout and | ||
| 103 | * re-check. So setting it as | ||
| 104 | * accurately as possible is good, but | ||
| 105 | * not absolutely critical. | ||
| 106 | */ | ||
| 90 | wait_queue_head_t blocked_wait; | 107 | wait_queue_head_t blocked_wait; |
| 91 | 108 | ||
| 92 | int desc_nr; /* descriptor index in the superblock */ | 109 | int desc_nr; /* descriptor index in the superblock */ |
| @@ -124,6 +141,10 @@ struct mdk_rdev_s | |||
| 124 | 141 | ||
| 125 | struct badblocks { | 142 | struct badblocks { |
| 126 | int count; /* count of bad blocks */ | 143 | int count; /* count of bad blocks */ |
| 144 | int unacked_exist; /* there probably are unacknowledged | ||
| 145 | * bad blocks. This is only cleared | ||
| 146 | * when a read discovers none | ||
| 147 | */ | ||
| 127 | int shift; /* shift from sectors to block size | 148 | int shift; /* shift from sectors to block size |
| 128 | * a -ve shift means badblocks are | 149 | * a -ve shift means badblocks are |
| 129 | * disabled.*/ | 150 | * disabled.*/ |