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| author | Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 19:39:33 +0300 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 19:39:33 +0300 |
| commit | 944d79559d154c12becde0dab327016cf438f46c (patch) | |
| tree | 50c101806f4d3b6585222dda060559eb4f3e005a /include/linux/raid/raid1.h | |
| parent | d087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (diff) | |
| parent | 0f36b018b2e314d45af86449f1a97facb1fbe300 (diff) | |
| download | linux-944d79559d154c12becde0dab327016cf438f46c.tar.xz | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/linux/raid/raid1.h')
| -rw-r--r-- | include/linux/raid/raid1.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h index 292b98f2b408..9d5494aaac0f 100644 --- a/include/linux/raid/raid1.h +++ b/include/linux/raid/raid1.h @@ -45,6 +45,8 @@ struct r1_private_data_s { spinlock_t resync_lock; int nr_pending; + int nr_waiting; + int nr_queued; int barrier; sector_t next_resync; int fullsync; /* set to 1 if a full sync is needed, @@ -52,11 +54,12 @@ struct r1_private_data_s { * Cleared when a sync completes. */ - wait_queue_head_t wait_idle; - wait_queue_head_t wait_resume; + wait_queue_head_t wait_barrier; struct pool_info *poolinfo; + struct page *tmppage; + mempool_t *r1bio_pool; mempool_t *r1buf_pool; }; @@ -106,6 +109,13 @@ struct r1bio_s { /* DO NOT PUT ANY NEW FIELDS HERE - bios array is contiguously alloced*/ }; +/* when we get a read error on a read-only array, we redirect to another + * device without failing the first device, or trying to over-write to + * correct the read error. To keep track of bad blocks on a per-bio + * level, we store IO_BLOCKED in the appropriate 'bios' pointer + */ +#define IO_BLOCKED ((struct bio*)1) + /* bits for r1bio.state */ #define R1BIO_Uptodate 0 #define R1BIO_IsSync 1 |