staging/lustre: Remove now obsolete memory tracking sysctls

In the past when Lustre did its own allocation amounts tracking
the results were shown in sysctl as current and overall max
number of bytes and pages allocated. Now that we don't
track these, remove the sysctls.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
index b9a7d2faf04968a3ec7e93faffb757344490efd8..e800bd6c54914ddfca6133b95b2f986a33e033b0 100644 (file)
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
@@ -66,102 +66,6 @@ static int proc_set_timeout(struct ctl_table *table, int write,
        return rc;
 }
 
-static int proc_memory_alloc(struct ctl_table *table, int write,
-                       void __user *buffer, size_t *lenp, loff_t *ppos)
-{
-       char buf[22];
-       int len;
-
-       if (!*lenp || (*ppos && !write)) {
-               *lenp = 0;
-               return 0;
-       }
-       if (write)
-               return -EINVAL;
-
-       len = snprintf(buf, sizeof(buf), "%llu\n", obd_memory_sum());
-       if (len > *lenp)
-               len = *lenp;
-       buf[len] = '\0';
-       if (copy_to_user(buffer, buf, len))
-               return -EFAULT;
-       *lenp = len;
-       *ppos += *lenp;
-       return 0;
-}
-
-static int proc_pages_alloc(struct ctl_table *table, int write,
-                       void __user *buffer, size_t *lenp, loff_t *ppos)
-{
-       char buf[22];
-       int len;
-
-       if (!*lenp || (*ppos && !write)) {
-               *lenp = 0;
-               return 0;
-       }
-       if (write)
-               return -EINVAL;
-
-       len = snprintf(buf, sizeof(buf), "%llu\n", obd_pages_sum());
-       if (len > *lenp)
-               len = *lenp;
-       buf[len] = '\0';
-       if (copy_to_user(buffer, buf, len))
-               return -EFAULT;
-       *lenp = len;
-       *ppos += *lenp;
-       return 0;
-}
-
-static int proc_mem_max(struct ctl_table *table, int write, void __user *buffer,
-                size_t *lenp, loff_t *ppos)
-{
-       char buf[22];
-       int len;
-
-       if (!*lenp || (*ppos && !write)) {
-               *lenp = 0;
-               return 0;
-       }
-       if (write)
-               return -EINVAL;
-
-       len = snprintf(buf, sizeof(buf), "%llu\n", obd_memory_max());
-       if (len > *lenp)
-               len = *lenp;
-       buf[len] = '\0';
-       if (copy_to_user(buffer, buf, len))
-               return -EFAULT;
-       *lenp = len;
-       *ppos += *lenp;
-       return 0;
-}
-
-static int proc_pages_max(struct ctl_table *table, int write,
-                       void __user *buffer, size_t *lenp, loff_t *ppos)
-{
-       char buf[22];
-       int len;
-
-       if (!*lenp || (*ppos && !write)) {
-               *lenp = 0;
-               return 0;
-       }
-       if (write)
-               return -EINVAL;
-
-       len = snprintf(buf, sizeof(buf), "%llu\n", obd_pages_max());
-       if (len > *lenp)
-               len = *lenp;
-       buf[len] = '\0';
-       if (copy_to_user(buffer, buf, len))
-               return -EFAULT;
-       *lenp = len;
-       *ppos += *lenp;
-       return 0;
-}
-
 static int proc_max_dirty_pages_in_mb(struct ctl_table *table, int write,
                               void __user *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -232,34 +136,6 @@ static struct ctl_table obd_table[] = {
                .mode     = 0644,
                .proc_handler = &proc_dointvec
        },
-       {
-               .procname = "memused",
-               .data     = NULL,
-               .maxlen   = 0,
-               .mode     = 0444,
-               .proc_handler = &proc_memory_alloc
-       },
-       {
-               .procname = "pagesused",
-               .data     = NULL,
-               .maxlen   = 0,
-               .mode     = 0444,
-               .proc_handler = &proc_pages_alloc
-       },
-       {
-               .procname = "memused_max",
-               .data     = NULL,
-               .maxlen   = 0,
-               .mode     = 0444,
-               .proc_handler = &proc_mem_max
-       },
-       {
-               .procname = "pagesused_max",
-               .data     = NULL,
-               .maxlen   = 0,
-               .mode     = 0444,
-               .proc_handler = &proc_pages_max
-       },
        {
                .procname = "ldlm_timeout",
                .data     = &ldlm_timeout,