ext4: Add ext4_find_next_bit()

This function is used by the ext4 multi block allocator patches.

Also add generic_find_next_le_bit

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h
index 34d9a6357c38..dba6fecad0be 100644
--- a/include/asm-s390/bitops.h
+++ b/include/asm-s390/bitops.h
@@ -772,6 +772,8 @@ static inline int sched_find_first_bit(unsigned long *b)
         test_and_clear_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr)
 #define ext2_test_bit(nr, addr)      \
         test_bit((nr)^(__BITOPS_WORDSIZE - 8), (unsigned long *)addr)
+#define ext2_find_next_bit(addr, size, off) \
+        generic_find_next_le_bit((unsigned long *)(addr), (size), (off))
 
 #ifndef __s390x__