diff options
Diffstat (limited to 'fs/btrfs/raid56.c')
| -rw-r--r-- | fs/btrfs/raid56.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 333dcb79de74..b30ec77c1724 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -2415,14 +2415,16 @@ void raid56_add_scrub_pages(struct btrfs_raid_bio *rbio, struct page *page, */ static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio) { - int i; - int bit; - int index; - struct page *page; + const u32 sectorsize = rbio->bioc->fs_info->sectorsize; + int stripe; + int sectornr; + + for_each_set_bit(sectornr, rbio->dbitmap, rbio->stripe_nsectors) { + for (stripe = 0; stripe < rbio->real_stripes; stripe++) { + struct page *page; + int index = (stripe * rbio->stripe_nsectors + sectornr) * + sectorsize >> PAGE_SHIFT; - for_each_set_bit(bit, rbio->dbitmap, rbio->stripe_npages) { - for (i = 0; i < rbio->real_stripes; i++) { - index = i * rbio->stripe_npages + bit; if (rbio->stripe_pages[index]) continue; |