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[PATCH v2 5/9] fput: Don't reinvent the wheel but use existing llist API

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Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
---
 fs/file_table.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/file_table.c b/fs/file_table.c
index 6d982b5..3209da2 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -231,12 +231,10 @@ static void __fput(struct file *file)
 static void delayed_fput(struct work_struct *unused)
 {
 	struct llist_node *node = llist_del_all(&delayed_fput_list);
-	struct llist_node *next;
+	struct file *f, *t;
 
-	for (; node; node = next) {
-		next = llist_next(node);
-		__fput(llist_entry(node, struct file, f_u.fu_llist));
-	}
+	llist_for_each_entry_safe(f, t, node, f_u.fu_llist)
+		__fput(f);
 }
 
 static void ____fput(struct callback_head *work)
@@ -310,7 +308,7 @@ void put_filp(struct file *file)
 }
 
 void __init files_init(void)
-{ 
+{
 	filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
 			SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
 	percpu_counter_init(&nr_files, 0, GFP_KERNEL);
@@ -329,4 +327,4 @@ void __init files_maxfiles_init(void)
 	n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10;
 
 	files_stat.max_files = max_t(unsigned long, n, NR_FILE);
-} 
+}
-- 
1.9.1

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[PATCH v2 0/9] Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 5/9] fput: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 1/9] llist: Provide a safe version for llist_for_each Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
    Re: [PATCH v2 1/9] llist: Provide a safe version for llist_for_each "Huang\, Ying" <ying.huang@intel.com> - 2017-02-13 08:40 +0100
      Re: [PATCH v2 1/9] llist: Provide a safe version for llist_for_each Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:50 +0100
        Re: [PATCH v2 1/9] llist: Provide a safe version for llist_for_each "Huang\, Ying" <ying.huang@intel.com> - 2017-02-13 09:00 +0100
          Re: [PATCH v2 1/9] llist: Provide a safe version for llist_for_each Byungchul Park <byungchul.park@lge.com> - 2017-02-13 09:00 +0100
  [PATCH v2 7/9] irq_work: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 9/9] mm: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 6/9] namespace.c: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 3/9] raid5: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100
  [PATCH v2 2/9] bcache: Don't reinvent the wheel but use existing llist API Byungchul Park <byungchul.park@lge.com> - 2017-02-13 08:30 +0100

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