diff options
| -rw-r--r-- | fs/drop_caches.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/drop_caches.c b/fs/drop_caches.c index e2c6b6500c7..50f9087635d 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -14,15 +14,21 @@ int sysctl_drop_caches; static void drop_pagecache_sb(struct super_block *sb) { - struct inode *inode; + struct inode *inode, *toput_inode = NULL; spin_lock(&inode_lock); list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { if (inode->i_state & (I_FREEING|I_WILL_FREE)) continue; + __iget(inode); + spin_unlock(&inode_lock); __invalidate_mapping_pages(inode->i_mapping, 0, -1, true); + iput(toput_inode); + toput_inode = inode; + spin_lock(&inode_lock); } spin_unlock(&inode_lock); + iput(toput_inode); } static void drop_pagecache(void) |