nilfs2: avoid bare use of 'unsigned'

This fixes checkpatch.pl warning "WARNING: Prefer 'unsigned int' to
bare use of 'unsigned'".

Link: http://lkml.kernel.org/r/1462886671-3521-5-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index bdd5ac5..698f582 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -53,7 +53,7 @@
  * @inode: inode of metadata file using this allocator
  * @entry_size: size of the persistent object
  */
-int nilfs_palloc_init_blockgroup(struct inode *inode, unsigned entry_size)
+int nilfs_palloc_init_blockgroup(struct inode *inode, unsigned int entry_size)
 {
 	struct nilfs_mdt_info *mi = NILFS_MDT(inode);
 
@@ -384,7 +384,7 @@
  */
 static int nilfs_palloc_find_available_slot(unsigned char *bitmap,
 					    unsigned long target,
-					    unsigned bsize,
+					    unsigned int bsize,
 					    spinlock_t *lock)
 {
 	int pos, end = bsize;
@@ -735,8 +735,8 @@
 	unsigned long group, group_offset;
 	__u64 group_min_nr, last_nrs[8];
 	const unsigned long epg = nilfs_palloc_entries_per_group(inode);
-	const unsigned epb = NILFS_MDT(inode)->mi_entries_per_block;
-	unsigned entry_start, end, pos;
+	const unsigned int epb = NILFS_MDT(inode)->mi_entries_per_block;
+	unsigned int entry_start, end, pos;
 	spinlock_t *lock;
 	int i, j, k, ret;
 	u32 nfree;