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-rw-r--r--fs/btrfs/scrub.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index afd6932f5e..d7caa3732f 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1688,20 +1688,24 @@ static void scrub_submit_extent_sector_read(struct scrub_ctx *sctx,
(i << fs_info->sectorsize_bits);
int err;
- bbio = btrfs_bio_alloc(stripe->nr_sectors, REQ_OP_READ,
- fs_info, scrub_read_endio, stripe);
- bbio->bio.bi_iter.bi_sector = logical >> SECTOR_SHIFT;
-
io_stripe.is_scrub = true;
+ stripe_len = (nr_sectors - i) << fs_info->sectorsize_bits;
+ /*
+ * For RST cases, we need to manually split the bbio to
+ * follow the RST boundary.
+ */
err = btrfs_map_block(fs_info, BTRFS_MAP_READ, logical,
- &stripe_len, &bioc, &io_stripe,
- &mirror);
+ &stripe_len, &bioc, &io_stripe, &mirror);
btrfs_put_bioc(bioc);
- if (err) {
- btrfs_bio_end_io(bbio,
- errno_to_blk_status(err));
- return;
+ if (err < 0) {
+ set_bit(i, &stripe->io_error_bitmap);
+ set_bit(i, &stripe->error_bitmap);
+ continue;
}
+
+ bbio = btrfs_bio_alloc(stripe->nr_sectors, REQ_OP_READ,
+ fs_info, scrub_read_endio, stripe);
+ bbio->bio.bi_iter.bi_sector = logical >> SECTOR_SHIFT;
}
__bio_add_page(&bbio->bio, page, fs_info->sectorsize, pgoff);