diff options
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 509b49410943..77d466b13fef 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -913,11 +913,12 @@ static void shrink_dentry_list(struct list_head *list) * This function may fail to free any resources if all the dentries are in * use. */ -void prune_dcache_sb(struct super_block *sb, int count) +long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan) { struct dentry *dentry; LIST_HEAD(referenced); LIST_HEAD(tmp); + long freed = 0; relock: spin_lock(&sb->s_dentry_lru_lock); @@ -942,7 +943,8 @@ relock: this_cpu_dec(nr_dentry_unused); sb->s_nr_dentry_unused--; spin_unlock(&dentry->d_lock); - if (!--count) + freed++; + if (!--nr_to_scan) break; } cond_resched_lock(&sb->s_dentry_lru_lock); @@ -952,6 +954,7 @@ relock: spin_unlock(&sb->s_dentry_lru_lock); shrink_dentry_list(&tmp); + return freed; } /* |