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, 0 insertions, 3 deletions

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 6bd11fba71f7..f731cb545a03 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -140,9 +140,6 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
         return 0;
 }
 
-extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
-                __u64 start, __u64 len);
-
 const struct file_operations ext4_file_operations = {
         .llseek         = generic_file_llseek,
         .read           = do_sync_read,