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-rw-r--r--fs/btrfs/scrub.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 14a8d7100018..439545710d76 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1648,14 +1648,20 @@ static void scrub_reset_stripe(struct scrub_stripe *stripe)
}
}
+static u32 stripe_length(const struct scrub_stripe *stripe)
+{
+ ASSERT(stripe->bg);
+
+ return min(BTRFS_STRIPE_LEN,
+ stripe->bg->start + stripe->bg->length - stripe->logical);
+}
+
static void scrub_submit_extent_sector_read(struct scrub_ctx *sctx,
struct scrub_stripe *stripe)
{
struct btrfs_fs_info *fs_info = stripe->bg->fs_info;
struct btrfs_bio *bbio = NULL;
- unsigned int nr_sectors = min(BTRFS_STRIPE_LEN, stripe->bg->start +
- stripe->bg->length - stripe->logical) >>
- fs_info->sectorsize_bits;
+ unsigned int nr_sectors = stripe_length(stripe) >> fs_info->sectorsize_bits;
u64 stripe_len = BTRFS_STRIPE_LEN;
int mirror = stripe->mirror_num;
int i;
@@ -1729,9 +1735,7 @@ static void scrub_submit_initial_read(struct scrub_ctx *sctx,
{
struct btrfs_fs_info *fs_info = sctx->fs_info;
struct btrfs_bio *bbio;
- unsigned int nr_sectors = min(BTRFS_STRIPE_LEN, stripe->bg->start +
- stripe->bg->length - stripe->logical) >>
- fs_info->sectorsize_bits;
+ unsigned int nr_sectors = stripe_length(stripe) >> fs_info->sectorsize_bits;
int mirror = stripe->mirror_num;
ASSERT(stripe->bg);