Likewise to buffered IO, enable zone append writing for direct IO when its
used on a zoned block device.
Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx>
---
fs/btrfs/inode.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6d40affa833f..bc853a4f22cc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7542,6 +7542,9 @@ static int btrfs_dio_iomap_begin(struct inode *inode, loff_t start,
iomap->bdev = fs_info->fs_devices->latest_bdev;
iomap->length = len;
+ if (write && btrfs_is_zoned(fs_info) && fs_info->max_zone_append_size)
+ iomap->flags |= IOMAP_F_ZONE_APPEND;
+
free_extent_map(em);
return 0;
@@ -7779,6 +7782,8 @@ static void btrfs_end_dio_bio(struct bio *bio)
if (err)
dip->dio_bio->bi_status = err;
+ btrfs_record_physical_zoned(dip->inode, dip->logical_offset, bio);
+
bio_put(bio);
btrfs_dio_private_put(dip);
}
@@ -7933,6 +7938,18 @@ static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
bio->bi_end_io = btrfs_end_dio_bio;
btrfs_io_bio(bio)->logical = file_offset;
+ WARN_ON_ONCE(write && btrfs_is_zoned(fs_info) &&
+ fs_info->max_zone_append_size &&
+ bio_op(bio) != REQ_OP_ZONE_APPEND);
+
+ if (bio_op(bio) == REQ_OP_ZONE_APPEND) {
+ ret = extract_ordered_extent(inode, bio, file_offset);
+ if (ret) {
+ bio_put(bio);
+ goto out_err;
+ }
+ }
+
ASSERT(submit_len >= clone_len);
submit_len -= clone_len;
--
2.27.0
