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| author | Ming Lei <ming.lei@redhat.com> | 2017-07-14 10:14:44 +0200 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2017-07-21 21:47:20 +0200 |
| commit | be453e7761d0e72d8a1b2fcfde6d1a7e53881190 (patch) | |
| tree | 4d279fad43fde03e4c7eafb3225e440088ac16ef /drivers/md/md.h | |
| parent | md: raid1/raid10: initialize bvec table via bio_add_page() (diff) | |
| download | linux-be453e7761d0e72d8a1b2fcfde6d1a7e53881190.tar.xz linux-be453e7761d0e72d8a1b2fcfde6d1a7e53881190.zip | |
md: raid1-10: move raid1/raid10 common code into raid1-10.c
No function change, just move 'struct resync_pages' and related
helpers into raid1-10.c
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 53 |
1 files changed, 0 insertions, 53 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 */ |