diff options
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index d13fe45d6960..ed8e1362ab36 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -276,6 +276,7 @@ struct stripe_head_state { struct md_rdev *blocked_rdev; int handle_bad_blocks; int log_failed; + int waiting_extra_page; }; /* Flags for struct r5dev.flags */ @@ -439,6 +440,7 @@ enum { struct disk_info { struct md_rdev *rdev, *replacement; + struct page *extra_page; /* extra page to use in prexor */ }; /* @@ -559,6 +561,9 @@ enum r5_cache_state { * only process stripes that are already * occupying the log */ + R5C_EXTRA_PAGE_IN_USE, /* a stripe is using disk_info.extra_page + * for prexor + */ }; struct r5conf { @@ -765,6 +770,7 @@ extern void r5c_finish_stripe_write_out(struct r5conf *conf, struct stripe_head *sh, struct stripe_head_state *s); extern void r5c_release_extra_page(struct stripe_head *sh); +extern void r5c_use_extra_page(struct stripe_head *sh); extern void r5l_wake_reclaim(struct r5l_log *log, sector_t space); extern void r5c_handle_cached_data_endio(struct r5conf *conf, struct stripe_head *sh, int disks, struct bio_list *return_bi); |