[PATCH 2/2] ext4: use proper little-endian bitops

[Akinobu Mita <akinobu.mita@gmail.com>]

Using __test_and_{set,clear}_bit_le() with ignoring its return value
can be replaced with __{set,clear}_bit_le().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: linux-ext4@vger.kernel.org
---
 fs/ext4/balloc.c  |    8 ++++----
 fs/ext4/ialloc.c  |    2 +-
 fs/ext4/mballoc.c |    4 ++--
 fs/ext4/resize.c  |   12 ++++++------
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 6230bf0..470bc03 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -144,7 +144,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
 		int flex_bg = 0;
 
 		for (bit = 0; bit < bit_max; bit++)
-			__test_and_set_bit_le(bit, bh->b_data);
+			__set_bit_le(bit, bh->b_data);
 
 		start = ext4_group_first_block_no(sb, block_group);
 
@@ -155,18 +155,18 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
 		/* Set bits for block and inode bitmaps, and inode table */
 		tmp = ext4_block_bitmap(sb, gdp);
 		if (!flex_bg || ext4_block_in_group(sb, tmp, block_group))
-			__test_and_set_bit_le(tmp - start, bh->b_data);
+			__set_bit_le(tmp - start, bh->b_data);
 
 		tmp = ext4_inode_bitmap(sb, gdp);
 		if (!flex_bg || ext4_block_in_group(sb, tmp, block_group))
-			__test_and_set_bit_le(tmp - start, bh->b_data);
+			__set_bit_le(tmp - start, bh->b_data);
 
 		tmp = ext4_inode_table(sb, gdp);
 		for (; tmp < ext4_inode_table(sb, gdp) +
 				sbi->s_itb_per_group; tmp++) {
 			if (!flex_bg ||
 				ext4_block_in_group(sb, tmp, block_group))
-				__test_and_set_bit_le(tmp - start, bh->b_data);
+				__set_bit_le(tmp - start, bh->b_data);
 		}
 		/*
 		 * Also if the number of blocks within the group is
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 450d149..061a2406 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -59,7 +59,7 @@ void ext4_mark_bitmap_end(int start_bit, int end_bit, char *bitmap)
 
 	ext4_debug("mark end bits +%d through +%d used\n", start_bit, end_bit);
 	for (i = start_bit; i < ((start_bit + 7) & ~7UL); i++)
-		__test_and_set_bit_le(i, bitmap);
+		__set_bit_le(i, bitmap);
 	if (i < end_bit)
 		memset(bitmap + (i >> 3), 0xff, (end_bit - i) >> 3);
 }
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 15b1716..80c7eb9 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -384,13 +384,13 @@ static inline int mb_test_bit(int bit, void *addr)
 static inline void mb_set_bit(int bit, void *addr)
 {
 	addr = mb_correct_addr_and_bit(&bit, addr);
-	__test_and_set_bit_le(bit, addr);
+	__set_bit_le(bit, addr);
 }
 
 static inline void mb_clear_bit(int bit, void *addr)
 {
 	addr = mb_correct_addr_and_bit(&bit, addr);
-	__test_and_clear_bit_le(bit, addr);
+	__clear_bit_le(bit, addr);
 }
 
 static inline int mb_find_next_zero_bit(void *addr, int max, int start)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 09e7f54..53d17fa 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -194,7 +194,7 @@ static int setup_new_group_blocks(struct super_block *sb,
 
 	if (ext4_bg_has_super(sb, input->group)) {
 		ext4_debug("mark backup superblock %#04llx (+0)\n", start);
-		__test_and_set_bit_le(0, bh->b_data);
+		__set_bit_le(0, bh->b_data);
 	}
 
 	/* Copy all of the GDT blocks into the backup in this group */
@@ -225,7 +225,7 @@ static int setup_new_group_blocks(struct super_block *sb,
 			brelse(gdb);
 			goto exit_bh;
 		}
-		__test_and_set_bit_le(bit, bh->b_data);
+		__set_bit_le(bit, bh->b_data);
 		brelse(gdb);
 	}
 
@@ -237,14 +237,14 @@ static int setup_new_group_blocks(struct super_block *sb,
 	if (err)
 		goto exit_bh;
 	for (i = 0, bit = gdblocks + 1; i < reserved_gdb; i++, bit++)
-		__test_and_set_bit_le(bit, bh->b_data);
+		__set_bit_le(bit, bh->b_data);
 
 	ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap,
 		   input->block_bitmap - start);
-	__test_and_set_bit_le(input->block_bitmap - start, bh->b_data);
+	__set_bit_le(input->block_bitmap - start, bh->b_data);
 	ext4_debug("mark inode bitmap %#04llx (+%llu)\n", input->inode_bitmap,
 		   input->inode_bitmap - start);
-	__test_and_set_bit_le(input->inode_bitmap - start, bh->b_data);
+	__set_bit_le(input->inode_bitmap - start, bh->b_data);
 
 	/* Zero out all of the inode table blocks */
 	block = input->inode_table;
@@ -255,7 +255,7 @@ static int setup_new_group_blocks(struct super_block *sb,
 		goto exit_bh;
 	for (i = 0, bit = input->inode_table - start;
 	     i < sbi->s_itb_per_group; i++, bit++)
-		__test_and_set_bit_le(bit, bh->b_data);
+		__set_bit_le(bit, bh->b_data);
 
 	if ((err = extend_or_restart_transaction(handle, 2, bh)))
 		goto exit_bh;
-- 
1.7.4.4