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| author |   Josef Bacik <josef@toxicpanda.com> | 2019-06-20 15:37:47 -0400 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2019-09-09 14:59:04 +0200 |
| commit | 3eeb3226a8891544ea4a9baf27ba3d73e8a42991 (patch) | |
| tree | 0bc3752557d3c3c21085876227da6908317d26b3 /fs/btrfs/block-group.h | |
| parent | btrfs: migrate the block group ref counting stuff (diff) | |
| download | linux-dev-3eeb3226a8891544ea4a9baf27ba3d73e8a42991.tar.xz linux-dev-3eeb3226a8891544ea4a9baf27ba3d73e8a42991.zip | |
btrfs: migrate nocow and reservation helpers
These are relatively straightforward as well.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/block-group.h')
| -rw-r--r-- | fs/btrfs/block-group.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h index f7c7d1ac6d9b..73147cce7952 100644 --- a/fs/btrfs/block-group.h +++ b/fs/btrfs/block-group.h @@ -159,5 +159,11 @@ struct btrfs_block_group_cache *btrfs_next_block_group( struct btrfs_block_group_cache *cache); void btrfs_get_block_group(struct btrfs_block_group_cache *cache); void btrfs_put_block_group(struct btrfs_block_group_cache *cache); +void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, + const u64 start); +void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg); +bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr); +void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr); +void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg); #endif /* BTRFS_BLOCK_GROUP_H */ |