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| author | Chris Mason <chris.mason@oracle.com> | 2008-01-24 21:13:08 (GMT) |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 15:03:59 (GMT) |
| commit | d1310b2e0cd98eb1348553e69b73827b436dca7b (patch) | |
| tree | f55e9c380df0f3a7e9fb792b2308b52b632b90aa /fs/btrfs/btrfs_inode.h | |
| parent | 5f56406aabdf5444d040c5955effc665b1d0dbaf (diff) | |
| download | linux-d1310b2e0cd98eb1348553e69b73827b436dca7b.tar.xz | |
Btrfs: Split the extent_map code into two parts
There is now extent_map for mapping offsets in the file to disk and
extent_io for state tracking, IO submission and extent_bufers.
The new extent_map code shifts from [start,end] pairs to [start,len], and
pushes the locking out into the caller. This allows a few performance
optimizations and is easier to use.
A number of extent_map usage bugs were fixed, mostly with failing
to remove extent_map entries when changing the file.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
| -rw-r--r-- | fs/btrfs/btrfs_inode.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 9fc9988..9a0647d 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -20,6 +20,7 @@ #define __BTRFS_I__ #include "extent_map.h" +#include "extent_io.h" /* in memory btrfs inode */ struct btrfs_inode { @@ -27,6 +28,7 @@ struct btrfs_inode { struct btrfs_block_group_cache *block_group; struct btrfs_key location; struct extent_map_tree extent_tree; + struct extent_io_tree io_tree; struct inode vfs_inode; u64 ordered_trans; |