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authorChris Mason <chris.mason@oracle.com>2007-08-27 16:49:44 -0400
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-08-27 16:49:44 -0400
commitb888db2bd7b67f190b32934e6a86181f262ac3ec (patch)
tree7eb4472c65b6a634db6be689eedca09f09a40cd5 /fs/btrfs/extent_map.h
parenta52d9a8033c454cd9b4697cfafb467509fc1693f (diff)
downloadlwn-b888db2bd7b67f190b32934e6a86181f262ac3ec.tar.gz
lwn-b888db2bd7b67f190b32934e6a86181f262ac3ec.zip
Btrfs: Add delayed allocation to the extent based page tree code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 108944aab4bd..e91a2e9619ee 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -11,6 +11,7 @@ struct extent_map_tree {
struct rb_root state;
struct address_space *mapping;
rwlock_t lock;
+ int (*fill_delalloc)(struct inode *inode, u64 start, u64 end);
};
/* note, this must start with the same fields as fs/extent_map.c:tree_entry */
@@ -74,6 +75,8 @@ int set_extent_new(struct extent_map_tree *tree, u64 start, u64 end,
gfp_t mask);
int set_extent_dirty(struct extent_map_tree *tree, u64 start, u64 end,
gfp_t mask);
+int set_extent_delalloc(struct extent_map_tree *tree, u64 start, u64 end,
+ gfp_t mask);
int extent_invalidatepage(struct extent_map_tree *tree,
struct page *page, unsigned long offset);
int extent_write_full_page(struct extent_map_tree *tree, struct page *page,