This function isn't needed - a NULL pointer in the cftype read
function will result in the same EINVAL response to userspace.
Signed-off-by: Paul Menage <[EMAIL PROTECTED]>
---
mm/memcontrol.c | 14 --------------
1 file changed, 14 deletions(-)
Index: cgroup-2.6.25-rc2-mm1/mm/memcontrol.c
===================================================================
--- cgroup-2.6.25-rc2-mm1.orig/mm/memcontrol.c
+++ cgroup-2.6.25-rc2-mm1/mm/memcontrol.c
@@ -950,19 +950,6 @@ static ssize_t mem_force_empty_write(str
return ret;
}
-/*
- * Note: This should be removed if cgroup supports write-only file.
- */
-
-static ssize_t mem_force_empty_read(struct cgroup *cont,
- struct cftype *cft,
- struct file *file, char __user *userbuf,
- size_t nbytes, loff_t *ppos)
-{
- return -EINVAL;
-}
-
-
static const struct mem_cgroup_stat_desc {
const char *msg;
u64 unit;
@@ -1019,7 +1006,6 @@ static struct cftype mem_cgroup_files[]
{
.name = "force_empty",
.write = mem_force_empty_write,
- .read = mem_force_empty_read,
},
{
.name = "stat",
--
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