diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2022-03-29 01:56:09 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:03:11 +0200 |
| commit | 3687fcb0752ac9c4630b4aeb5362c6e6f81c528e (patch) | |
| tree | e6b2116374c6bd3f4ac7ed096daf179ef297a374 /fs/btrfs/zoned.h | |
| parent | ef972e7b5edeec9ed5213476186ceae5798b01e8 (diff) | |
btrfs: zoned: make auto-reclaim less aggressive
The current auto-reclaim algorithm starts reclaiming all block groups
with a zone_unusable value above a configured threshold. This is causing
a lot of reclaim IO even if there would be enough free zones on the
device.
Instead of only accounting a block groups zone_unusable value, also take
the ratio of free and not usable (written as well as zone_unusable)
bytes a device has into account.
Tested-by: Pankaj Raghav <p.raghav@samsung.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zoned.h')
| -rw-r--r-- | fs/btrfs/zoned.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 12aaaccf2998..de923fc8449d 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -74,6 +74,7 @@ void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 length); void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg); void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info); +bool btrfs_zoned_should_reclaim(struct btrfs_fs_info *fs_info); #else /* CONFIG_BLK_DEV_ZONED */ static inline int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone) @@ -232,6 +233,11 @@ static inline void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, static inline void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg) { } static inline void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info) { } + +static inline bool btrfs_zoned_should_reclaim(struct btrfs_fs_info *fs_info) +{ + return false; +} #endif static inline bool btrfs_dev_is_sequential(struct btrfs_device *device, u64 pos) |