1/* 2 * Copyright (c) 2000-2003 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18#include "xfs.h" 19#include "xfs_fs.h" 20#include "xfs_bit.h" 21#include "xfs_log.h" 22#include "xfs_inum.h" 23#include "xfs_trans.h" 24#include "xfs_sb.h" 25#include "xfs_ag.h" 26#include "xfs_alloc.h" 27#include "xfs_quota.h" 28#include "xfs_mount.h" 29#include "xfs_bmap_btree.h" 30#include "xfs_inode.h" 31#include "xfs_itable.h" 32#include "xfs_bmap.h" 33#include "xfs_rtalloc.h" 34#include "xfs_error.h" 35#include "xfs_attr.h" 36#include "xfs_buf_item.h" 37#include "xfs_qm.h" 38 39struct xqmstats xqmstats; 40 41static int xqm_proc_show(struct seq_file *m, void *v) 42{ 43 /* maximum; incore; ratio free to inuse; freelist */ 44 seq_printf(m, "%d\t%d\t%d\t%u\n", 45 ndquot, 46 xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0, 47 xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0, 48 xfs_Gqm? xfs_Gqm->qm_dqfrlist_cnt : 0); 49 return 0; 50} 51 52static int xqm_proc_open(struct inode *inode, struct file *file) 53{ 54 return single_open(file, xqm_proc_show, NULL); 55} 56 57static const struct file_operations xqm_proc_fops = { 58 .owner = THIS_MODULE, 59 .open = xqm_proc_open, 60 .read = seq_read, 61 .llseek = seq_lseek, 62 .release = single_release, 63}; 64 65static int xqmstat_proc_show(struct seq_file *m, void *v) 66{ 67 /* quota performance statistics */ 68 seq_printf(m, "qm %u %u %u %u %u %u %u %u\n", 69 xqmstats.xs_qm_dqreclaims, 70 xqmstats.xs_qm_dqreclaim_misses, 71 xqmstats.xs_qm_dquot_dups, 72 xqmstats.xs_qm_dqcachemisses, 73 xqmstats.xs_qm_dqcachehits, 74 xqmstats.xs_qm_dqwants, 75 xqmstats.xs_qm_dqshake_reclaims, 76 xqmstats.xs_qm_dqinact_reclaims); 77 return 0; 78} 79 80static int xqmstat_proc_open(struct inode *inode, struct file *file) 81{ 82 return single_open(file, xqmstat_proc_show, NULL); 83} 84 85static const struct file_operations xqmstat_proc_fops = { 86 .owner = THIS_MODULE, 87 .open = xqmstat_proc_open, 88 .read = seq_read, 89 .llseek = seq_lseek, 90 .release = single_release, 91}; 92 93void 94xfs_qm_init_procfs(void) 95{ 96 proc_create("fs/xfs/xqmstat", 0, NULL, &xqmstat_proc_fops); 97 proc_create("fs/xfs/xqm", 0, NULL, &xqm_proc_fops); 98} 99 100void 101xfs_qm_cleanup_procfs(void) 102{ 103 remove_proc_entry("fs/xfs/xqm", NULL); 104 remove_proc_entry("fs/xfs/xqmstat", NULL); 105} 106