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Diffstat (limited to 'fs')
-rw-r--r--fs/fs-writeback.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 1fcce8345da3..6f9c9f6f5157 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -990,8 +990,10 @@ void sb_mark_inode_writeback(struct inode *inode)
if (list_empty(&inode->i_wb_list)) {
spin_lock_irqsave(&sb->s_inode_wblist_lock, flags);
- if (list_empty(&inode->i_wb_list))
+ if (list_empty(&inode->i_wb_list)) {
list_add_tail(&inode->i_wb_list, &sb->s_inodes_wb);
+ trace_sb_mark_inode_writeback(inode);
+ }
spin_unlock_irqrestore(&sb->s_inode_wblist_lock, flags);
}
}
@@ -1006,7 +1008,10 @@ void sb_clear_inode_writeback(struct inode *inode)
if (!list_empty(&inode->i_wb_list)) {
spin_lock_irqsave(&sb->s_inode_wblist_lock, flags);
- list_del_init(&inode->i_wb_list);
+ if (!list_empty(&inode->i_wb_list)) {
+ list_del_init(&inode->i_wb_list);
+ trace_sb_clear_inode_writeback(inode);
+ }
spin_unlock_irqrestore(&sb->s_inode_wblist_lock, flags);
}
}