diff options
Diffstat (limited to 'drivers/md/raid1.h')
| -rw-r--r-- | drivers/md/raid1.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index aa6af37ca01..f81360d49af 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -116,7 +116,14 @@ struct r1bio_s { * 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) +#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 bios[n] to IO_MADE_GOOD + */ +#define IO_MADE_GOOD ((struct bio *)2) + +#define BIO_SPECIAL(bio) ((unsigned long)bio <= 2) /* bits for r1bio.state */ #define R1BIO_Uptodate 0 @@ -135,6 +142,10 @@ struct r1bio_s { * Record that bi_end_io was called with this flag... */ #define R1BIO_Returned 6 +/* If a write for this request means we can clear some + * known-bad-block records, we set this flag + */ +#define R1BIO_MadeGood 7 extern int md_raid1_congested(mddev_t *mddev, int bits); |