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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 16:24:38 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 16:24:38 +1100
commit24f030175d30f019be41766cdf88c2ff03de19ff (patch)
tree354232a84e82d5a721ed7b1a9af580ff2a59be8f /fs/ocfs2/extent_map.h
parent4aa12f7b927c3cac0e0cf3503642597527d0ece0 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
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Merge commit 'origin/master' into next
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 */