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[v4,7/7] btrfs: stripe-tree: also look at commit root on relocation

Message ID 20240705-b4-rst-updates-v4-7-f3eed3f2cfad@kernel.org (mailing list archive)
State New, archived
Headers show
Series btrfs: rst: updates for RAID stripe tree | expand

Commit Message

Johannes Thumshirn July 5, 2024, 3:13 p.m. UTC 
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>

When doing reads on a raid stripe tree enabled system while relocation
is ongoinig, also look at the commit root. The data we're interested
in could've just been relocated to another place in the current
transaction.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 fs/btrfs/bio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index 5f36c75a2457..948509ac343e 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.commit_root = !bbio->inode;
+	smap.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,