[PATCH v3 3/5] btrfs: set rst_search_commit_root in case of relocation

[Johannes Thumshirn <jth@kernel.org>]

From: Johannes Thumshirn <johannes.thumshirn@wdc.com>

Set rst_search_commit_root in the btrfs_io_stripe we're passing to
btrfs_map_block() in case we're doing data relocation.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 fs/btrfs/bio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index dfb32f7d3fc2..c6563616c813 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -679,7 +679,8 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num)
 	blk_status_t ret;
 	int error;
 
-	smap.rst_search_commit_root = !bbio->inode;
+	smap.rst_search_commit_root =
+		(!bbio->inode || btrfs_is_data_reloc_root(inode->root));
 
 	btrfs_bio_counter_inc_blocked(fs_info);
 	error = btrfs_map_block(fs_info, btrfs_op(bio), logical, &map_length,

-- 
2.43.0