diff options
| author | Naohiro Aota <naohiro.aota@wdc.com> | 2020-11-10 20:26:07 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-12-09 19:15:57 +0100 |
| commit | 5b316468983dfa9473ff0f1c42e4e30b4c267141 (patch) | |
| tree | e0cf013f3157d8de117911c4a995604f59af7e4f /fs/btrfs/dev-replace.c | |
| parent | 7b3d5a90cbb9bc6a48c82fd7c146d24d6fceb0fa (diff) | |
btrfs: get zone information of zoned block devices
If a zoned block device is found, get its zone information (number of
zones and zone size). To avoid costly run-time zone report
commands to test the device zones type during block allocation, attach
the seq_zones bitmap to the device structure to indicate if a zone is
sequential or accept random writes. Also it attaches the empty_zones
bitmap to indicate if a zone is empty or not.
This patch also introduces the helper function btrfs_dev_is_sequential()
to test if the zone storing a block is a sequential write required zone
and btrfs_dev_is_empty_zone() to test if the zone is a empty zone.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Anand Jain <anand.jain@oracle.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>
Diffstat (limited to 'fs/btrfs/dev-replace.c')
| -rw-r--r-- | fs/btrfs/dev-replace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index dc3481014f16..71a1bddcbc76 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -21,6 +21,7 @@ #include "rcu-string.h" #include "dev-replace.h" #include "sysfs.h" +#include "zoned.h" /* * Device replace overview @@ -313,6 +314,10 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE); device->fs_devices = fs_info->fs_devices; + ret = btrfs_get_dev_zone_info(device); + if (ret) + goto error; + mutex_lock(&fs_info->fs_devices->device_list_mutex); list_add(&device->dev_list, &fs_info->fs_devices->devices); fs_info->fs_devices->num_devices++; |