1 files changed, 105 insertions, 0 deletions

diff --git a/fs/xfs/xfs_qm_stats.c b/fs/xfs/xfs_qm_stats.c
new file mode 100644
index 000000000000..8671a0b32644
--- /dev/null
+++ b/fs/xfs/xfs_qm_stats.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_bit.h"
+#include "xfs_log.h"
+#include "xfs_inum.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
+#include "xfs_alloc.h"
+#include "xfs_quota.h"
+#include "xfs_mount.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "xfs_itable.h"
+#include "xfs_bmap.h"
+#include "xfs_rtalloc.h"
+#include "xfs_error.h"
+#include "xfs_attr.h"
+#include "xfs_buf_item.h"
+#include "xfs_qm.h"
+
+struct xqmstats xqmstats;
+
+static int xqm_proc_show(struct seq_file *m, void *v)
+{
+        /* maximum; incore; ratio free to inuse; freelist */
+        seq_printf(m, "%d\t%d\t%d\t%u\n",
+                        ndquot,
+                        xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0,
+                        xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0,
+                        xfs_Gqm? xfs_Gqm->qm_dqfrlist_cnt : 0);
+        return 0;
+}
+
+static int xqm_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, xqm_proc_show, NULL);
+}
+
+static const struct file_operations xqm_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = xqm_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int xqmstat_proc_show(struct seq_file *m, void *v)
+{
+        /* quota performance statistics */
+        seq_printf(m, "qm %u %u %u %u %u %u %u %u\n",
+                        xqmstats.xs_qm_dqreclaims,
+                        xqmstats.xs_qm_dqreclaim_misses,
+                        xqmstats.xs_qm_dquot_dups,
+                        xqmstats.xs_qm_dqcachemisses,
+                        xqmstats.xs_qm_dqcachehits,
+                        xqmstats.xs_qm_dqwants,
+                        xqmstats.xs_qm_dqshake_reclaims,
+                        xqmstats.xs_qm_dqinact_reclaims);
+        return 0;
+}
+
+static int xqmstat_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, xqmstat_proc_show, NULL);
+}
+
+static const struct file_operations xqmstat_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = xqmstat_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+void
+xfs_qm_init_procfs(void)
+{
+        proc_create("fs/xfs/xqmstat", 0, NULL, &xqmstat_proc_fops);
+        proc_create("fs/xfs/xqm", 0, NULL, &xqm_proc_fops);
+}
+
+void
+xfs_qm_cleanup_procfs(void)
+{
+        remove_proc_entry("fs/xfs/xqm", NULL);
+        remove_proc_entry("fs/xfs/xqmstat", NULL);
+}