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authorYan, Zheng <zheng.yan@oracle.com>2010-05-16 18:48:47 +0400
committerChris Mason <chris.mason@oracle.com>2010-05-25 18:34:51 +0400
commit0ca1f7ceb1991099ed5273885ebcf4323948c72e (patch)
tree10758d6a55c529aced177da3f6bf45cf26361913 /fs/btrfs/btrfs_inode.h
parenta22285a6a32390195235171b89d157ed1a1fe932 (diff)
downloadlinux-0ca1f7ceb1991099ed5273885ebcf4323948c72e.tar.xz
Btrfs: Update metadata reservation for delayed allocation
Introduce metadata reservation context for delayed allocation and update various related functions. This patch also introduces EXTENT_FIRST_DELALLOC control bit for set/clear_extent_bit. It tells set/clear_bit_hook whether they are processing the first extent_state with EXTENT_DELALLOC bit set. This change is important if set/clear_extent_bit involves multiple extent_state. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r--fs/btrfs/btrfs_inode.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 7a4dee199832..40510d9351f5 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -137,8 +137,8 @@ struct btrfs_inode {
* of extent items we've reserved metadata for.
*/
spinlock_t accounting_lock;
+ atomic_t outstanding_extents;
int reserved_extents;
- int outstanding_extents;
/*
* ordered_data_close is set by truncate when a file that used