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| author |  Dennis Zhou <dennis@kernel.org>
| 2020-01-02 16:26:38 -0500 |
|---|---|---|
| committer |  David Sterba <dsterba@suse.com>
| 2020-01-20 16:40:59 +0100 |
| commit | 19b2a2c71979f849cadc33af3577f739cc95e1f0 (patch) | |
| tree | d39430f1c2faac2d4bb1a5207ff05f0b73a541c6 /fs/btrfs/discard.c | |
| parent | btrfs: limit max discard size for async discard (diff) | |
| download | linux-19b2a2c71979f849cadc33af3577f739cc95e1f0.tar.gz linux-19b2a2c71979f849cadc33af3577f739cc95e1f0.tar.bz2 linux-19b2a2c71979f849cadc33af3577f739cc95e1f0.zip | |
btrfs: make max async discard size tunable
Expose max_discard_size as a tunable via sysfs and switch the current
fixed maximum to the default value.
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/discard.c')
| -rw-r--r-- | fs/btrfs/discard.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c index 565931f9a9aa..5fdd82c356a4 100644 --- a/fs/btrfs/discard.c +++ b/fs/btrfs/discard.c @@ -527,6 +527,7 @@ void btrfs_discard_init(struct btrfs_fs_info *fs_info) discard_ctl->prev_discard = 0; atomic_set(&discard_ctl->discardable_extents, 0); atomic64_set(&discard_ctl->discardable_bytes, 0); + discard_ctl->max_discard_size = BTRFS_ASYNC_DISCARD_DEFAULT_MAX_SIZE; discard_ctl->delay = BTRFS_DISCARD_MAX_DELAY_MSEC; discard_ctl->iops_limit = BTRFS_DISCARD_MAX_IOPS; discard_ctl->kbps_limit = 0; |