lib: percpu_counter_add

 s/percpu_counter_mod/percpu_counter_add/

Because its a better name, _mod implies modulo.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ext2/balloc.c

@@ -124,7 +124,7 @@ static int reserve_blocks(struct super_block *sb, int count)
 			return 0;
 	}
 
-	percpu_counter_mod(&sbi->s_freeblocks_counter, -count);
+	percpu_counter_add(&sbi->s_freeblocks_counter, -count);
 	sb->s_dirt = 1;
 	return count;
 }
@@ -134,7 +134,7 @@ static void release_blocks(struct super_block *sb, int count)
 	if (count) {
 		struct ext2_sb_info *sbi = EXT2_SB(sb);
 
-		percpu_counter_mod(&sbi->s_freeblocks_counter, count);
+		percpu_counter_add(&sbi->s_freeblocks_counter, count);
 		sb->s_dirt = 1;
 	}
 }

fs/ext2/ialloc.c

@@ -542,7 +542,7 @@ got:
 		goto fail;
 	}
 
-	percpu_counter_mod(&sbi->s_freeinodes_counter, -1);
+	percpu_counter_add(&sbi->s_freeinodes_counter, -1);
 	if (S_ISDIR(mode))
 		percpu_counter_inc(&sbi->s_dirs_counter);
 

fs/ext3/balloc.c

@@ -570,7 +570,7 @@ do_more:
 		cpu_to_le16(le16_to_cpu(desc->bg_free_blocks_count) +
 			group_freed);
 	spin_unlock(sb_bgl_lock(sbi, block_group));
-	percpu_counter_mod(&sbi->s_freeblocks_counter, count);
+	percpu_counter_add(&sbi->s_freeblocks_counter, count);
 
 	/* We dirtied the bitmap block */
 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");
@@ -1633,7 +1633,7 @@ allocated:
 	gdp->bg_free_blocks_count =
 			cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)-num);
 	spin_unlock(sb_bgl_lock(sbi, group_no));
-	percpu_counter_mod(&sbi->s_freeblocks_counter, -num);
+	percpu_counter_add(&sbi->s_freeblocks_counter, -num);
 
 	BUFFER_TRACE(gdp_bh, "journal_dirty_metadata for group descriptor");
 	err = ext3_journal_dirty_metadata(handle, gdp_bh);

fs/ext3/resize.c

@@ -884,9 +884,9 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
 		input->reserved_blocks);
 
 	/* Update the free space counts */
-	percpu_counter_mod(&sbi->s_freeblocks_counter,
+	percpu_counter_add(&sbi->s_freeblocks_counter,
 			   input->free_blocks_count);
-	percpu_counter_mod(&sbi->s_freeinodes_counter,
+	percpu_counter_add(&sbi->s_freeinodes_counter,
 			   EXT3_INODES_PER_GROUP(sb));
 
 	ext3_journal_dirty_metadata(handle, sbi->s_sbh);

fs/ext4/balloc.c

@@ -587,7 +587,7 @@ do_more:
 		cpu_to_le16(le16_to_cpu(desc->bg_free_blocks_count) +
 			group_freed);
 	spin_unlock(sb_bgl_lock(sbi, block_group));
-	percpu_counter_mod(&sbi->s_freeblocks_counter, count);
+	percpu_counter_add(&sbi->s_freeblocks_counter, count);
 
 	/* We dirtied the bitmap block */
 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");
@@ -1647,7 +1647,7 @@ allocated:
 	gdp->bg_free_blocks_count =
 			cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)-num);
 	spin_unlock(sb_bgl_lock(sbi, group_no));
-	percpu_counter_mod(&sbi->s_freeblocks_counter, -num);
+	percpu_counter_add(&sbi->s_freeblocks_counter, -num);
 
 	BUFFER_TRACE(gdp_bh, "journal_dirty_metadata for group descriptor");
 	err = ext4_journal_dirty_metadata(handle, gdp_bh);

fs/ext4/resize.c

@@ -893,9 +893,9 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 		input->reserved_blocks);
 
 	/* Update the free space counts */
-	percpu_counter_mod(&sbi->s_freeblocks_counter,
+	percpu_counter_add(&sbi->s_freeblocks_counter,
 			   input->free_blocks_count);
-	percpu_counter_mod(&sbi->s_freeinodes_counter,
+	percpu_counter_add(&sbi->s_freeinodes_counter,
 			   EXT4_INODES_PER_GROUP(sb));
 
 	ext4_journal_dirty_metadata(handle, sbi->s_sbh);

include/linux/percpu_counter.h

@@ -32,7 +32,7 @@ struct percpu_counter {
 
 void percpu_counter_init(struct percpu_counter *fbc, s64 amount);
 void percpu_counter_destroy(struct percpu_counter *fbc);
-void percpu_counter_mod(struct percpu_counter *fbc, s32 amount);
+void percpu_counter_add(struct percpu_counter *fbc, s32 amount);
 s64 percpu_counter_sum(struct percpu_counter *fbc);
 
 static inline s64 percpu_counter_read(struct percpu_counter *fbc)
@@ -71,7 +71,7 @@ static inline void percpu_counter_destroy(struct percpu_counter *fbc)
 }
 
 static inline void
-percpu_counter_mod(struct percpu_counter *fbc, s32 amount)
+percpu_counter_add(struct percpu_counter *fbc, s32 amount)
 {
 	preempt_disable();
 	fbc->count += amount;
@@ -97,12 +97,12 @@ static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
 
 static inline void percpu_counter_inc(struct percpu_counter *fbc)
 {
-	percpu_counter_mod(fbc, 1);
+	percpu_counter_add(fbc, 1);
 }
 
 static inline void percpu_counter_dec(struct percpu_counter *fbc)
 {
-	percpu_counter_mod(fbc, -1);
+	percpu_counter_add(fbc, -1);
 }
 
 #endif /* _LINUX_PERCPU_COUNTER_H */

lib/percpu_counter.c

@@ -14,7 +14,7 @@ static LIST_HEAD(percpu_counters);
 static DEFINE_MUTEX(percpu_counters_lock);
 #endif
 
-void percpu_counter_mod(struct percpu_counter *fbc, s32 amount)
+void percpu_counter_add(struct percpu_counter *fbc, s32 amount)
 {
 	long count;
 	s32 *pcount;
@@ -32,7 +32,7 @@ void percpu_counter_mod(struct percpu_counter *fbc, s32 amount)
 	}
 	put_cpu();
 }
-EXPORT_SYMBOL(percpu_counter_mod);
+EXPORT_SYMBOL(percpu_counter_add);
 
 /*
  * Add up all the per-cpu counts, return the result.  This is a more accurate