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authorChris Mason <chris.mason@oracle.com>2008-01-24 16:13:08 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:59 -0400
commitd1310b2e0cd98eb1348553e69b73827b436dca7b (patch)
treef55e9c380df0f3a7e9fb792b2308b52b632b90aa /fs/btrfs/transaction.h
parent5f56406aabdf5444d040c5955effc665b1d0dbaf (diff)
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/transaction.h')
-rw-r--r--fs/btrfs/transaction.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index fd52e9b23922..c3172ddb3321 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -29,7 +29,7 @@ struct btrfs_transaction {
int use_count;
int commit_done;
struct list_head list;
- struct extent_map_tree dirty_pages;
+ struct extent_io_tree dirty_pages;
unsigned long start_time;
struct btrfs_ordered_inode_tree ordered_inode_tree;
wait_queue_head_t writer_wait;