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Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/inode.c b/fs/inode.c
index ae2727ab0c3a..efc43979709f 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -103,7 +103,6 @@ static DECLARE_RWSEM(iprune_sem);
struct inodes_stat_t inodes_stat;
static struct percpu_counter nr_inodes __cacheline_aligned_in_smp;
-static struct percpu_counter nr_inodes_unused __cacheline_aligned_in_smp;
static struct kmem_cache *inode_cachep __read_mostly;
@@ -114,7 +113,7 @@ static inline int get_nr_inodes(void)
static inline int get_nr_inodes_unused(void)
{
- return percpu_counter_sum_positive(&nr_inodes_unused);
+ return inodes_stat.nr_unused;
}
int get_nr_dirty_inodes(void)
@@ -132,7 +131,6 @@ int proc_nr_inodes(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
inodes_stat.nr_inodes = get_nr_inodes();
- inodes_stat.nr_unused = get_nr_inodes_unused();
return proc_dointvec(table, write, buffer, lenp, ppos);
}
#endif
@@ -335,7 +333,7 @@ static void inode_lru_list_add(struct inode *inode)
{
if (list_empty(&inode->i_lru)) {
list_add(&inode->i_lru, &inode_lru);
- percpu_counter_inc(&nr_inodes_unused);
+ inodes_stat.nr_unused++;
}
}
@@ -343,7 +341,7 @@ static void inode_lru_list_del(struct inode *inode)
{
if (!list_empty(&inode->i_lru)) {
list_del_init(&inode->i_lru);
- percpu_counter_dec(&nr_inodes_unused);
+ inodes_stat.nr_unused--;
}
}
@@ -513,7 +511,7 @@ void evict_inodes(struct super_block *sb)
list_move(&inode->i_lru, &dispose);
list_del_init(&inode->i_wb_list);
if (!(inode->i_state & (I_DIRTY | I_SYNC)))
- percpu_counter_dec(&nr_inodes_unused);
+ inodes_stat.nr_unused--;
}
spin_unlock(&inode_lock);
@@ -554,7 +552,7 @@ int invalidate_inodes(struct super_block *sb)
list_move(&inode->i_lru, &dispose);
list_del_init(&inode->i_wb_list);
if (!(inode->i_state & (I_DIRTY | I_SYNC)))
- percpu_counter_dec(&nr_inodes_unused);
+ inodes_stat.nr_unused--;
}
spin_unlock(&inode_lock);
@@ -616,7 +614,7 @@ static void prune_icache(int nr_to_scan)
if (atomic_read(&inode->i_count) ||
(inode->i_state & ~I_REFERENCED)) {
list_del_init(&inode->i_lru);
- percpu_counter_dec(&nr_inodes_unused);
+ inodes_stat.nr_unused--;
continue;
}
@@ -650,7 +648,7 @@ static void prune_icache(int nr_to_scan)
*/
list_move(&inode->i_lru, &freeable);
list_del_init(&inode->i_wb_list);
- percpu_counter_dec(&nr_inodes_unused);
+ inodes_stat.nr_unused--;
}
if (current_is_kswapd())
__count_vm_events(KSWAPD_INODESTEAL, reap);
@@ -1649,7 +1647,6 @@ void __init inode_init(void)
init_once);
register_shrinker(&icache_shrinker);
percpu_counter_init(&nr_inodes, 0);
- percpu_counter_init(&nr_inodes_unused, 0);
/* Hash may have been set up in inode_init_early */
if (!hashdist)