ext4: export inline xattr functions

The inline data feature will need some inline xattr functions, so
export them from fs/ext4/xattr.c so that inline.c can use them.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 6 insertions, 33 deletions

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index b1adda1b750d..a47dc3883a23 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -61,11 +61,6 @@
 #include "xattr.h"
 #include "acl.h"
 
-#define BHDR(bh) ((struct ext4_xattr_header *)((bh)->b_data))
-#define ENTRY(ptr) ((struct ext4_xattr_entry *)(ptr))
-#define BFIRST(bh) ENTRY(BHDR(bh)+1)
-#define IS_LAST_ENTRY(entry) (*(__u32 *)(entry) == 0)
-
 #ifdef EXT4_XATTR_DEBUG
 # define ea_idebug(inode, f...) do { \
                 printk(KERN_DEBUG "inode %s:%lu: ", \
@@ -312,7 +307,7 @@ cleanup:
         return error;
 }
 
-static int
+int
 ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
                      void *buffer, size_t buffer_size)
 {
@@ -581,21 +576,6 @@ static size_t ext4_xattr_free_space(struct ext4_xattr_entry *last,
         return (*min_offs - ((void *)last - base) - sizeof(__u32));
 }
 
-struct ext4_xattr_info {
-        int name_index;
-        const char *name;
-        const void *value;
-        size_t value_len;
-};
-
-struct ext4_xattr_search {
-        struct ext4_xattr_entry *first;
-        void *base;
-        void *end;
-        struct ext4_xattr_entry *here;
-        int not_found;
-};
-
 static int
 ext4_xattr_set_entry(struct ext4_xattr_info *i, struct ext4_xattr_search *s)
 {
@@ -949,14 +929,8 @@ bad_block:
 #undef header
 }
 
-struct ext4_xattr_ibody_find {
-        struct ext4_xattr_search s;
-        struct ext4_iloc iloc;
-};
-
-static int
-ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
-                      struct ext4_xattr_ibody_find *is)
+int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
+                          struct ext4_xattr_ibody_find *is)
 {
         struct ext4_xattr_ibody_header *header;
         struct ext4_inode *raw_inode;
@@ -984,10 +958,9 @@ ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
         return 0;
 }
 
-static int
-ext4_xattr_ibody_set(handle_t *handle, struct inode *inode,
-                     struct ext4_xattr_info *i,
-                     struct ext4_xattr_ibody_find *is)
+int ext4_xattr_ibody_set(handle_t *handle, struct inode *inode,
+                         struct ext4_xattr_info *i,
+                         struct ext4_xattr_ibody_find *is)
 {
         struct ext4_xattr_ibody_header *header;
         struct ext4_xattr_search *s = &is->s;