diff options
Diffstat (limited to 'drivers/md/raid10.h')
| -rw-r--r-- | drivers/md/raid10.h | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 135b1b0..1054cf6 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -1,7 +1,7 @@ #ifndef _RAID10_H #define _RAID10_H -struct mirror_info { +struct raid10_info { struct md_rdev *rdev, *replacement; sector_t head_position; int recovery_disabled; /* matches @@ -13,8 +13,8 @@ struct mirror_info { struct r10conf { struct mddev *mddev; - struct mirror_info *mirrors; - struct mirror_info *mirrors_new, *mirrors_old; + struct raid10_info *mirrors; + struct raid10_info *mirrors_new, *mirrors_old; spinlock_t device_lock; /* geometry */ @@ -110,7 +110,7 @@ struct r10bio { * We choose the number when they are allocated. * We sometimes need an extra bio to write to the replacement. */ - struct { + struct r10dev { struct bio *bio; union { struct bio *repl_bio; /* used for resync and @@ -123,20 +123,6 @@ struct r10bio { } devs[0]; }; -/* 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) -/* When we successfully write to a known bad-block, we need to remove the - * bad-block marking which must be done from process context. So we record - * the success by setting devs[n].bio to IO_MADE_GOOD - */ -#define IO_MADE_GOOD ((struct bio *)2) - -#define BIO_SPECIAL(bio) ((unsigned long)bio <= 2) - /* bits for r10bio.state */ enum r10bio_state { R10BIO_Uptodate, @@ -159,4 +145,7 @@ enum r10bio_state { */ R10BIO_Previous, }; + +extern int md_raid10_congested(struct mddev *mddev, int bits); + #endif |