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btrfs: zoned: enable zone append writing for direct IO

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Likewise to buffered IO, enable zone append writing for direct IO when
its used on a zoned block device.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2021-02-04 19:22:06 +09:00 committed by David Sterba
parent d8e3fb106f
commit 544d24f9de
1 changed files with 18 additions and 0 deletions
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18
fs/btrfs/inode.c
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@ -7738,6 +7738,9 @@ 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_use_zone_append(BTRFS_I(inode), em))
iomap->flags |= IOMAP_F_ZONE_APPEND;
free_extent_map(em);
return 0;
@ -7964,6 +7967,8 @@ 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);
}
@ -8124,6 +8129,19 @@ 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) {
status = extract_ordered_extent(BTRFS_I(inode), bio,
file_offset);
if (status) {
bio_put(bio);
goto out_err;
}
}
ASSERT(submit_len >= clone_len);
submit_len -= clone_len;