ext4: consolidate in_range() definitions
There are duplicate macro definitions of in_range() in mballoc.h and
balloc.c. This consolidates these two definitions into ext4.h, and
changes extents.c to use in_range() as well.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger@sun.com>
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3d85bbb..9b17916 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1819,6 +1819,8 @@
set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state);
}
+#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
+
#endif /* __KERNEL__ */
#endif /* _EXT4_H */