lib: percpu_counter_sum_positive
s/percpu_counter_sum/&_positive/
Because its consitent with percpu_counter_read*
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>
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 9537316..c5a52c9 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2472,13 +2472,13 @@
buf->f_type = EXT3_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(es->s_blocks_count) - sbi->s_overhead_last;
- buf->f_bfree = percpu_counter_sum(&sbi->s_freeblocks_counter);
+ buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter);
es->s_free_blocks_count = cpu_to_le32(buf->f_bfree);
buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count);
if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
- buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter);
+ buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
es->s_free_inodes_count = cpu_to_le32(buf->f_ffree);
buf->f_namelen = EXT3_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3c1397f..1814d4b8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2592,13 +2592,13 @@
buf->f_type = EXT4_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = ext4_blocks_count(es) - sbi->s_overhead_last;
- buf->f_bfree = percpu_counter_sum(&sbi->s_freeblocks_counter);
+ buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter);
es->s_free_blocks_count = cpu_to_le32(buf->f_bfree);
buf->f_bavail = buf->f_bfree - ext4_r_blocks_count(es);
if (buf->f_bfree < ext4_r_blocks_count(es))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
- buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter);
+ buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
es->s_free_inodes_count = cpu_to_le32(buf->f_ffree);
buf->f_namelen = EXT4_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
diff --git a/fs/file_table.c b/fs/file_table.c
index d17fd691..287fdce 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -98,7 +98,7 @@
* percpu_counters are inaccurate. Do an expensive check before
* we go and fail.
*/
- if (percpu_counter_sum(&nr_files) >= files_stat.max_files)
+ if (percpu_counter_sum_positive(&nr_files) >= files_stat.max_files)
goto over;
}
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 2da92e8..dd89eb9 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -34,7 +34,7 @@
void percpu_counter_destroy(struct percpu_counter *fbc);
void percpu_counter_set(struct percpu_counter *fbc, s64 amount);
void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch);
-s64 percpu_counter_sum(struct percpu_counter *fbc);
+s64 percpu_counter_sum_positive(struct percpu_counter *fbc);
static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount)
{
@@ -102,7 +102,7 @@
return fbc->count;
}
-static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
+static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc)
{
return percpu_counter_read_positive(fbc);
}
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index c9708db..b0d80ea 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -52,7 +52,7 @@
* Add up all the per-cpu counts, return the result. This is a more accurate
* but much slower version of percpu_counter_read_positive()
*/
-s64 percpu_counter_sum(struct percpu_counter *fbc)
+s64 percpu_counter_sum_positive(struct percpu_counter *fbc)
{
s64 ret;
int cpu;
@@ -66,7 +66,7 @@
spin_unlock(&fbc->lock);
return ret < 0 ? 0 : ret;
}
-EXPORT_SYMBOL(percpu_counter_sum);
+EXPORT_SYMBOL(percpu_counter_sum_positive);
void percpu_counter_init(struct percpu_counter *fbc, s64 amount)
{