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Diffstat (limited to 'fs/btrfs/raid56.c')
-rw-r--r--fs/btrfs/raid56.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 4a88f073fdd7..6a41631cb959 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -912,7 +912,7 @@ static struct page *page_in_rbio(struct btrfs_raid_bio *rbio,
static unsigned long rbio_nr_pages(unsigned long stripe_len, int nr_stripes)
{
unsigned long nr = stripe_len * nr_stripes;
- return (nr + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ return DIV_ROUND_UP(nr, PAGE_CACHE_SIZE);
}
/*
@@ -1416,7 +1416,8 @@ cleanup:
static void async_rmw_stripe(struct btrfs_raid_bio *rbio)
{
- btrfs_init_work(&rbio->work, rmw_work, NULL, NULL);
+ btrfs_init_work(&rbio->work, btrfs_rmw_helper,
+ rmw_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers,
&rbio->work);
@@ -1424,7 +1425,8 @@ static void async_rmw_stripe(struct btrfs_raid_bio *rbio)
static void async_read_rebuild(struct btrfs_raid_bio *rbio)
{
- btrfs_init_work(&rbio->work, read_rebuild_work, NULL, NULL);
+ btrfs_init_work(&rbio->work, btrfs_rmw_helper,
+ read_rebuild_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers,
&rbio->work);
@@ -1440,7 +1442,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)
struct btrfs_bio *bbio = rbio->bbio;
struct bio_list bio_list;
int ret;
- int nr_pages = (rbio->stripe_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ int nr_pages = DIV_ROUND_UP(rbio->stripe_len, PAGE_CACHE_SIZE);
int pagenr;
int stripe;
struct bio *bio;
@@ -1665,7 +1667,8 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule)
plug = container_of(cb, struct btrfs_plug_cb, cb);
if (from_schedule) {
- btrfs_init_work(&plug->work, unplug_work, NULL, NULL);
+ btrfs_init_work(&plug->work, btrfs_rmw_helper,
+ unplug_work, NULL, NULL);
btrfs_queue_work(plug->info->rmw_workers,
&plug->work);
return;
@@ -1722,7 +1725,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
int pagenr, stripe;
void **pointers;
int faila = -1, failb = -1;
- int nr_pages = (rbio->stripe_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ int nr_pages = DIV_ROUND_UP(rbio->stripe_len, PAGE_CACHE_SIZE);
struct page *page;
int err;
int i;
@@ -1937,7 +1940,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
struct btrfs_bio *bbio = rbio->bbio;
struct bio_list bio_list;
int ret;
- int nr_pages = (rbio->stripe_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ int nr_pages = DIV_ROUND_UP(rbio->stripe_len, PAGE_CACHE_SIZE);
int pagenr;
int stripe;
struct bio *bio;