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authorAlex Elder <aelder@sgi.com>2011-08-08 07:06:24 -0500
committerAlex Elder <aelder@sgi.com>2011-08-08 07:06:24 -0500
commit2ddb4e94065470828e131351566102274ea9e83f (patch)
tree3eb237d28e10d7735d57c051880e8173113acef8 /fs/btrfs/btrfs_inode.h
parentc35a549c8b9e85bdff7e531a410d10e36b4b4f32 (diff)
parent322a8b034003c0d46d39af85bf24fee27b902f48 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r--fs/btrfs/btrfs_inode.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 52d7eca8c7bf..502b9e988679 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -34,6 +34,9 @@ struct btrfs_inode {
*/
struct btrfs_key location;
+ /* Lock for counters */
+ spinlock_t lock;
+
/* the extent_tree has caches of all the extent mappings to disk */
struct extent_map_tree extent_tree;
@@ -134,8 +137,8 @@ struct btrfs_inode {
* items we think we'll end up using, and reserved_extents is the number
* of extent items we've reserved metadata for.
*/
- atomic_t outstanding_extents;
- atomic_t reserved_extents;
+ unsigned outstanding_extents;
+ unsigned reserved_extents;
/*
* ordered_data_close is set by truncate when a file that used
@@ -184,4 +187,13 @@ static inline void btrfs_i_size_write(struct inode *inode, u64 size)
BTRFS_I(inode)->disk_i_size = size;
}
+static inline bool btrfs_is_free_space_inode(struct btrfs_root *root,
+ struct inode *inode)
+{
+ if (root == root->fs_info->tree_root ||
+ BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
+ return true;
+ return false;
+}
+
#endif