diff options
| -rw-r--r-- | drivers/md/md.h | 53 | ||||
| -rw-r--r-- | drivers/md/raid1-10.c | 62 | ||||
| -rw-r--r-- | drivers/md/raid1.c | 9 | ||||
| -rw-r--r-- | drivers/md/raid10.c | 9 |
4 files changed, 62 insertions, 71 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 991769cc3615..09db03455801 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -731,57 +731,4 @@ static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio !bdev_get_queue(bio->bi_bdev)->limits.max_write_zeroes_sectors) mddev->queue->limits.max_write_zeroes_sectors = 0; } - -/* Maximum size of each resync request */ -#define RESYNC_BLOCK_SIZE (64*1024) -#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) - -/* for managing resync I/O pages */ -struct resync_pages { - void *raid_bio; - struct page *pages[RESYNC_PAGES]; -}; - -static inline int resync_alloc_pages(struct resync_pages *rp, - gfp_t gfp_flags) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) { - rp->pages[i] = alloc_page(gfp_flags); - if (!rp->pages[i]) - goto out_free; - } - - return 0; - -out_free: - while (--i >= 0) - put_page(rp->pages[i]); - return -ENOMEM; -} - -static inline void resync_free_pages(struct resync_pages *rp) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) - put_page(rp->pages[i]); -} - -static inline void resync_get_all_pages(struct resync_pages *rp) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) - get_page(rp->pages[i]); -} - -static inline struct page *resync_fetch_page(struct resync_pages *rp, - unsigned idx) -{ - if (WARN_ON_ONCE(idx >= RESYNC_PAGES)) - return NULL; - return rp->pages[idx]; -} #endif /* _MD_MD_H */ diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c index 3adb5b9dc4b4..9f2670b45f31 100644 --- a/drivers/md/raid1-10.c +++ b/drivers/md/raid1-10.c @@ -1,3 +1,65 @@ +/* Maximum size of each resync request */ +#define RESYNC_BLOCK_SIZE (64*1024) +#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) + +/* for managing resync I/O pages */ +struct resync_pages { + void *raid_bio; + struct page *pages[RESYNC_PAGES]; +}; + +static inline int resync_alloc_pages(struct resync_pages *rp, + gfp_t gfp_flags) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) { + rp->pages[i] = alloc_page(gfp_flags); + if (!rp->pages[i]) + goto out_free; + } + + return 0; + +out_free: + while (--i >= 0) + put_page(rp->pages[i]); + return -ENOMEM; +} + +static inline void resync_free_pages(struct resync_pages *rp) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) + put_page(rp->pages[i]); +} + +static inline void resync_get_all_pages(struct resync_pages *rp) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) + get_page(rp->pages[i]); +} + +static inline struct page *resync_fetch_page(struct resync_pages *rp, + unsigned idx) +{ + if (WARN_ON_ONCE(idx >= RESYNC_PAGES)) + return NULL; + return rp->pages[idx]; +} + +/* + * 'strct resync_pages' stores actual pages used for doing the resync + * IO, and it is per-bio, so make .bi_private points to it. + */ +static inline struct resync_pages *get_resync_pages(struct bio *bio) +{ + return bio->bi_private; +} + /* generally called after bio_reset() for reseting bvec */ static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp, int size) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index fe86ab18961b..8387eb1540cd 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -84,15 +84,6 @@ static void lower_barrier(struct r1conf *conf, sector_t sector_nr); #include "raid1-10.c" /* - * 'strct resync_pages' stores actual pages used for doing the resync - * IO, and it is per-bio, so make .bi_private points to it. - */ -static inline struct resync_pages *get_resync_pages(struct bio *bio) -{ - return bio->bi_private; -} - -/* * for resync bio, r1bio pointer can be retrieved from the per-bio * 'struct resync_pages'. */ diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 9952721e1cde..e2617d0f37dc 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -113,15 +113,6 @@ static void end_reshape(struct r10conf *conf); #include "raid1-10.c" /* - * 'strct resync_pages' stores actual pages used for doing the resync - * IO, and it is per-bio, so make .bi_private points to it. - */ -static inline struct resync_pages *get_resync_pages(struct bio *bio) -{ - return bio->bi_private; -} - -/* * for resync bio, r10bio pointer can be retrieved from the per-bio * 'struct resync_pages'. */ |