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| author | Filipe Manana <fdmanana@suse.com> | 2016-04-26 15:36:38 +0100 |
|---|---|---|
| committer | Filipe Manana <fdmanana@suse.com> | 2016-05-13 01:59:14 +0100 |
| commit | 578def7c50f236432ba140d35bb7ca4ef0a1b20b (patch) | |
| tree | c6b2e052c0ba5b95d1659f0e95651445951426e1 /fs/btrfs/ordered-data.h | |
| parent | 3f9749f6e9edcf8ec569fb542efc3be35e06e84a (diff) | |
| download | lwn-578def7c50f236432ba140d35bb7ca4ef0a1b20b.tar.gz lwn-578def7c50f236432ba140d35bb7ca4ef0a1b20b.zip | |
Btrfs: don't wait for unrelated IO to finish before relocation
Before the relocation process of a block group starts, it sets the block
group to readonly mode, then flushes all delalloc writes and then finally
it waits for all ordered extents to complete. This last step includes
waiting for ordered extents destinated at extents allocated in other block
groups, making us waste unecessary time.
So improve this by waiting only for ordered extents that fall into the
block group's range.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Diffstat (limited to 'fs/btrfs/ordered-data.h')
| -rw-r--r-- | fs/btrfs/ordered-data.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 23c96059cef2..8ef12623d65c 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -197,8 +197,10 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, struct btrfs_ordered_extent *ordered); int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr, u32 *sum, int len); -int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr); -void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr); +int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr, + const u64 range_start, const u64 range_len); +void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr, + const u64 range_start, const u64 range_len); void btrfs_get_logged_extents(struct inode *inode, struct list_head *logged_list, const loff_t start, |