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-rw-r--r--fs/f2fs/f2fs.h18
-rw-r--r--fs/f2fs/super.c11
2 files changed, 15 insertions, 14 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c8833c802ea9..02f0656cb2ab 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -801,7 +801,6 @@ struct f2fs_sb_info {
unsigned int total_sections; /* total section count */
unsigned int total_node_count; /* total node block count */
unsigned int total_valid_node_count; /* valid node block count */
- unsigned int total_valid_inode_count; /* valid inode count */
loff_t max_file_blocks; /* max block index of file */
int active_logs; /* # of active logs */
int dir_level; /* directory level */
@@ -818,6 +817,9 @@ struct f2fs_sb_info {
/* # of allocated blocks */
struct percpu_counter alloc_valid_block_count;
+ /* valid inode count */
+ struct percpu_counter total_valid_inode_count;
+
struct f2fs_mount_info mount_opt; /* mount options */
/* for cleaning operations */
@@ -1325,23 +1327,17 @@ static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
{
- spin_lock(&sbi->stat_lock);
- f2fs_bug_on(sbi, sbi->total_valid_inode_count == sbi->total_node_count);
- sbi->total_valid_inode_count++;
- spin_unlock(&sbi->stat_lock);
+ percpu_counter_inc(&sbi->total_valid_inode_count);
}
static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
{
- spin_lock(&sbi->stat_lock);
- f2fs_bug_on(sbi, !sbi->total_valid_inode_count);
- sbi->total_valid_inode_count--;
- spin_unlock(&sbi->stat_lock);
+ percpu_counter_dec(&sbi->total_valid_inode_count);
}
-static inline unsigned int valid_inode_count(struct f2fs_sb_info *sbi)
+static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
{
- return sbi->total_valid_inode_count;
+ return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
}
static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 43e3e9c382d8..173cf3a1c29d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -618,6 +618,7 @@ static void destroy_percpu_info(struct f2fs_sb_info *sbi)
for (i = 0; i < NR_COUNT_TYPE; i++)
percpu_counter_destroy(&sbi->nr_pages[i]);
percpu_counter_destroy(&sbi->alloc_valid_block_count);
+ percpu_counter_destroy(&sbi->total_valid_inode_count);
}
static void f2fs_put_super(struct super_block *sb)
@@ -1384,7 +1385,11 @@ static int init_percpu_info(struct f2fs_sb_info *sbi)
return err;
}
- return percpu_counter_init(&sbi->alloc_valid_block_count, 0,
+ err = percpu_counter_init(&sbi->alloc_valid_block_count, 0, GFP_KERNEL);
+ if (err)
+ return err;
+
+ return percpu_counter_init(&sbi->total_valid_inode_count, 0,
GFP_KERNEL);
}
@@ -1598,8 +1603,8 @@ try_onemore:
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
- sbi->total_valid_inode_count =
- le32_to_cpu(sbi->ckpt->valid_inode_count);
+ percpu_counter_set(&sbi->total_valid_inode_count,
+ le32_to_cpu(sbi->ckpt->valid_inode_count));
sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count);
sbi->total_valid_block_count =
le64_to_cpu(sbi->ckpt->valid_block_count);