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| author |   Dennis Zhou <dennis@kernel.org> | 2020-01-02 16:26:41 -0500 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2020-01-20 16:41:00 +0100 |
| commit | 9ddf648f9c2a492cef4e41e31c50515a817d0562 (patch) | |
| tree | 64ecae153d63e8392660d0e73e5d99391010795b /fs/btrfs/ctree.h | |
| parent | btrfs: only keep track of data extents for async discard (diff) | |
| download | linux-dev-9ddf648f9c2a492cef4e41e31c50515a817d0562.tar.xz linux-dev-9ddf648f9c2a492cef4e41e31c50515a817d0562.zip | |
btrfs: keep track of discard reuse stats
Keep track of how much we are discarding and how often we are reusing
with async discard. The discard_*_bytes values don't need any special
protection because the work item provides the single threaded access.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
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 '')
| -rw-r--r-- | fs/btrfs/ctree.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 486b9d1532eb..569931dd0ce5 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -473,6 +473,9 @@ struct btrfs_discard_ctl { unsigned long delay; u32 iops_limit; u32 kbps_limit; + u64 discard_extent_bytes; + u64 discard_bitmap_bytes; + atomic64_t discard_bytes_saved; }; /* delayed seq elem */ |