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btrfs: check and enable ZONED mode

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Introduce function btrfs_check_zoned_mode() to check if ZONED flag is
enabled on the file system and if the file system consists of zoned
devices with equal zone size.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.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 2020-11-10 20:26:08 +09:00 • committed by David Sterba
parent 5b31646898
commit b70f509774
7 changed files with 143 additions and 0 deletions
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7
fs/btrfs/dev-replace.c
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@ -260,6 +260,13 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
return PTR_ERR(bdev);
}
if (!btrfs_check_device_zone_type(fs_info, bdev)) {
btrfs_err(fs_info,
"dev-replace: zoned type of target device mismatch with filesystem");
ret = -EINVAL;
goto error;
}
sync_blockdev(bdev);
list_for_each_entry(device, &fs_info->fs_devices->devices, dev_list) {