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authorIngo Molnar <mingo@elte.hu>2009-01-06 09:53:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-06 09:53:05 +0100
commit3d7a96f5a485b7d06c2379f343d7312af89ec9e2 (patch)
tree5f097f68eb0f9fd3fa4a10f38672e300e9127b10 /fs/ocfs2/extent_map.h
parentkmemtrace: Remove the relay version of kmemtrace (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm (diff)
downloadlinux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.tar.xz
linux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.zip
Merge branch 'linus' into tracing/kmemtrace2
Diffstat (limited to 'fs/ocfs2/extent_map.h')
-rw-r--r--fs/ocfs2/extent_map.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 1c4aa8b06f34..b7dd9731b462 100644
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -57,4 +57,28 @@ int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
u32 *p_cluster, u32 *num_clusters,
struct ocfs2_extent_list *el);
+int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
+ struct buffer_head *bhs[], int flags,
+ int (*validate)(struct super_block *sb,
+ struct buffer_head *bh));
+static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block,
+ struct buffer_head **bh,
+ int (*validate)(struct super_block *sb,
+ struct buffer_head *bh))
+{
+ int status = 0;
+
+ if (bh == NULL) {
+ printk("ocfs2: bh == NULL\n");
+ status = -EINVAL;
+ goto bail;
+ }
+
+ status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate);
+
+bail:
+ return status;
+}
+
+
#endif /* _EXTENT_MAP_H */