ext4: sparse fixes

* Change EXT4_HAS_*_FEATURE to return a boolean
* Add a function prototype for ext4_fiemap() in ext4.h
* Make ext4_ext_fiemap_cb() and ext4_xattr_fiemap() be static functions
* Add lock annotations to mb_free_blocks()

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 6 insertions, 3 deletions

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 558545d1fea..5125c1f6e7e 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -727,11 +727,11 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
  */
 
 #define EXT4_HAS_COMPAT_FEATURE(sb,mask)                        \
-        (EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask))
+        ((EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask)) != 0)
 #define EXT4_HAS_RO_COMPAT_FEATURE(sb,mask)                     \
-        (EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask))
+        ((EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask)) != 0)
 #define EXT4_HAS_INCOMPAT_FEATURE(sb,mask)                      \
-        (EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask))
+        ((EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask)) != 0)
 #define EXT4_SET_COMPAT_FEATURE(sb,mask)                        \
         EXT4_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
 #define EXT4_SET_RO_COMPAT_FEATURE(sb,mask)                     \
@@ -1286,6 +1286,9 @@ extern int ext4_get_blocks_wrap(handle_t *handle, struct inode *inode,
                         sector_t block, unsigned int max_blocks,
                         struct buffer_head *bh, int create,
                         int extend_disksize, int flag);
+extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+                        __u64 start, __u64 len);
+
 #endif  /* __KERNEL__ */
 
 #endif  /* _EXT4_H */