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| author | Chris Mason | 2007-08-27 22:49:44 +0200 |
|---|---|---|
| committer | David Woodhouse | 2007-08-27 22:49:44 +0200 |
| commit | a52d9a8033c454cd9b4697cfafb467509fc1693f (patch) | |
| tree | 83d8bbf2df29598ea9c60498fadf5990262a11c8 /fs/btrfs/ctree.h | |
| parent | Btrfs: Make sure to cow the root during a snapshot (diff) | |
| download | kernel-qcow2-linux-a52d9a8033c454cd9b4697cfafb467509fc1693f.tar.gz kernel-qcow2-linux-a52d9a8033c454cd9b4697cfafb467509fc1693f.tar.xz kernel-qcow2-linux-a52d9a8033c454cd9b4697cfafb467509fc1693f.zip | |
Btrfs: Extent based page cache code. This uses an rbtree of extents and tests
instead of buffer heads.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index c7f5161271d3..947f061ed118 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1176,7 +1176,14 @@ int btrfs_commit_write(struct file *file, struct page *page, unsigned from, unsigned to); int btrfs_get_block(struct inode *inode, sector_t iblock, struct buffer_head *result, int create); +struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page, + size_t page_offset, u64 start, u64 end, + int create); +int btrfs_update_inode(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct inode *inode); /* file.c */ +int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end); extern struct file_operations btrfs_file_operations; int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, |