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| author | Arne Jansen <sensille@gmx.net> | 2011-05-23 14:30:00 +0200 |
|---|---|---|
| committer | Arne Jansen <sensille@gmx.net> | 2011-10-02 08:48:30 +0200 |
| commit | 90519d66abbccc251d14719ac76f191f70826e40 (patch) | |
| tree | 93cad519db9f4f0c97abd89d405ea1e0fec306a7 /fs/btrfs/ctree.h | |
| parent | ab0fff03055d2d1b01a7581badeba18db9c4f55c (diff) | |
btrfs: state information for readahead
Add state information for readahead to btrfs_fs_info and btrfs_device
Changes v2:
- don't wait in radix_trees
- add own set of workers for readahead
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Arne Jansen <sensille@gmx.net>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 03912c5c6f4..f71fd24cc15 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1036,6 +1036,7 @@ struct btrfs_fs_info { struct btrfs_workers endio_freespace_worker; struct btrfs_workers submit_workers; struct btrfs_workers caching_workers; + struct btrfs_workers readahead_workers; /* * fixup workers take dirty pages that didn't properly go through @@ -1119,6 +1120,10 @@ struct btrfs_fs_info { u64 fs_state; struct btrfs_delayed_root *delayed_root; + + /* readahead tree */ + spinlock_t reada_lock; + struct radix_tree_root reada_tree; }; /* |