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authorYan Zheng <zheng.yan@oracle.com>2008-07-28 23:32:19 +0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 19:04:05 +0400
commit31153d81284934601d08110ac7698fd9a535e4c0 (patch)
tree38f873fea3012a58d2a8f4d439a9546443617878 /fs/btrfs/Makefile
parent3a115f520f391b4ab14041bdd6eedb370d944fa6 (diff)
downloadlinux-31153d81284934601d08110ac7698fd9a535e4c0.tar.xz
Btrfs: Add a leaf reference cache
Much of the IO done while dropping snapshots is done looking up leaves in the filesystem trees to see if they point to any extents and to drop the references on any extents found. This creates a cache so that IO isn't required. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/Makefile')
-rw-r--r--fs/btrfs/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 5a0fd7b0e3e7..a4b38177abdb 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -6,7 +6,8 @@ btrfs-y := super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
hash.o file-item.o inode-item.o inode-map.o disk-io.o \
transaction.o bit-radix.o inode.o file.o tree-defrag.o \
extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \
- extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o
+ extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \
+ ref-cache.o
btrfs-$(CONFIG_FS_POSIX_ACL) += acl.o
else