lib: percpu_counter_add
Peter Zijlstra [Wed, 17 Oct 2007 06:25:42 +0000 (23:25 -0700)]
 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
fs/ext2/ialloc.c
fs/ext3/balloc.c
fs/ext3/resize.c
fs/ext4/balloc.c
fs/ext4/resize.c
include/linux/percpu_counter.h
lib/percpu_counter.c

index baf71dd..53be251 100644 (file)
@@ -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;
        }
 }
index 2cb545b..4a9746b 100644 (file)
@@ -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);
 
index ca8aee6..df57567 100644 (file)
@@ -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);
index 2c97e09..a4693c0 100644 (file)
@@ -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);
index e53b4af..a141456 100644 (file)
@@ -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);
index aa11d7d..472fc0d 100644 (file)
@@ -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);
index 3d9f709..b84fc86 100644 (file)
@@ -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 */
index cf22c61..5f36ad7 100644 (file)
@@ -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