ext4: let fiemap work with inline data
fiemap is used to find the disk layout of a file, as for inline data,
let us just pretend like a file with just one extent.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index f6c3ca6..5c7e55e 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -184,6 +184,9 @@
extern struct buffer_head *ext4_get_first_inline_block(struct inode *inode,
struct ext4_dir_entry_2 **parent_de,
int *retval);
+extern int ext4_inline_data_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo,
+ int *has_inline);
# else /* CONFIG_EXT4_FS_XATTR */
static inline int
@@ -398,6 +401,13 @@
{
return NULL;
}
+
+static inline int ext4_inline_data_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo,
+ int *has_inline)
+{
+ return 0;
+}
# endif /* CONFIG_EXT4_FS_XATTR */
#ifdef CONFIG_EXT4_FS_SECURITY