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-rw-r--r--fs/fs-writeback.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 2cfcd74faf87..32a8bbd7a9ad 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1188,6 +1188,17 @@ static int __init start_dirtytime_writeback(void)
}
__initcall(start_dirtytime_writeback);
+int dirtytime_interval_handler(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ int ret;
+
+ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ if (ret == 0 && write)
+ mod_delayed_work(system_wq, &dirtytime_work, 0);
+ return ret;
+}
+
static noinline void block_dump___mark_inode_dirty(struct inode *inode)
{
if (inode->i_ino || strcmp(inode->i_sb->s_id, "bdev")) {