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authorChris Mason <chris.mason@oracle.com>2008-11-19 15:59:28 -0500
committerChris Mason <chris.mason@oracle.com>2008-11-19 15:59:28 -0500
commitae20a6afec1cf21919d97303f2d8b737eac5acc7 (patch)
treea4ddf02d4f19bdee1119dcc8a0f54edb40fb5986 /fs/btrfs/compat.h
parent9bf1a2445f3c569098b8de7097ca324e65abecc2 (diff)
parent07103a3cdb24099324a11be1f35279b463cdfc31 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Diffstat (limited to 'fs/btrfs/compat.h')
-rw-r--r--fs/btrfs/compat.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h
new file mode 100644
index 00000000000..cd6598b169d
--- /dev/null
+++ b/fs/btrfs/compat.h
@@ -0,0 +1,24 @@
+#ifndef _COMPAT_H_
+#define _COMPAT_H_
+
+#define btrfs_drop_nlink(inode) drop_nlink(inode)
+#define btrfs_inc_nlink(inode) inc_nlink(inode)
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
+static inline struct dentry *d_obtain_alias(struct inode *inode)
+{
+ struct dentry *d;
+
+ if (!inode)
+ return NULL;
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+
+ d = d_alloc_anon(inode);
+ if (!d)
+ iput(inode);
+ return d;
+}
+#endif
+
+#endif /* _COMPAT_H_ */