summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/raid56.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/raid56.c')
-rw-r--r--fs/btrfs/raid56.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 5e4ad134b9ad..27ed47a23f26 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -260,7 +260,7 @@ static void cache_rbio_pages(struct btrfs_raid_bio *rbio)
s = kmap(rbio->bio_pages[i]);
d = kmap(rbio->stripe_pages[i]);
- memcpy(d, s, PAGE_SIZE);
+ copy_page(d, s);
kunmap(rbio->bio_pages[i]);
kunmap(rbio->stripe_pages[i]);
@@ -1275,7 +1275,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
pointers);
} else {
/* raid5 */
- memcpy(pointers[nr_data], pointers[0], PAGE_SIZE);
+ copy_page(pointers[nr_data], pointers[0]);
run_xor(pointers + 1, nr_data - 1, PAGE_SIZE);
}
@@ -1941,9 +1941,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
BUG_ON(failb != -1);
pstripe:
/* Copy parity block into failed block to start with */
- memcpy(pointers[faila],
- pointers[rbio->nr_data],
- PAGE_SIZE);
+ copy_page(pointers[faila], pointers[rbio->nr_data]);
/* rearrange the pointer array */
p = pointers[faila];
@@ -2448,7 +2446,7 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
pointers);
} else {
/* raid5 */
- memcpy(pointers[nr_data], pointers[0], PAGE_SIZE);
+ copy_page(pointers[nr_data], pointers[0]);
run_xor(pointers + 1, nr_data - 1, PAGE_SIZE);
}
@@ -2456,7 +2454,7 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
p = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
parity = kmap(p);
if (memcmp(parity, pointers[rbio->scrubp], PAGE_SIZE))
- memcpy(parity, pointers[rbio->scrubp], PAGE_SIZE);
+ copy_page(parity, pointers[rbio->scrubp]);
else
/* Parity is right, needn't writeback */
bitmap_clear(rbio->dbitmap, pagenr, 1);