1b3b94faaSDavid Teigland /* 2b3b94faaSDavid Teigland * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 33a8a9a10SSteven Whitehouse * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 4b3b94faaSDavid Teigland * 5b3b94faaSDavid Teigland * This copyrighted material is made available to anyone wishing to use, 6b3b94faaSDavid Teigland * modify, copy, or redistribute it subject to the terms and conditions 7e9fc2aa0SSteven Whitehouse * of the GNU General Public License version 2. 8b3b94faaSDavid Teigland */ 9b3b94faaSDavid Teigland 10b3b94faaSDavid Teigland #include <linux/sched.h> 11b3b94faaSDavid Teigland #include <linux/slab.h> 12b3b94faaSDavid Teigland #include <linux/spinlock.h> 13b3b94faaSDavid Teigland #include <linux/completion.h> 14b3b94faaSDavid Teigland #include <linux/buffer_head.h> 15b3b94faaSDavid Teigland #include <linux/module.h> 16b3b94faaSDavid Teigland #include <linux/kobject.h> 17b3b94faaSDavid Teigland #include <asm/uaccess.h> 18f057f6cdSSteven Whitehouse #include <linux/gfs2_ondisk.h> 19b3b94faaSDavid Teigland 20b3b94faaSDavid Teigland #include "gfs2.h" 215c676f6dSSteven Whitehouse #include "incore.h" 22b3b94faaSDavid Teigland #include "sys.h" 23b3b94faaSDavid Teigland #include "super.h" 24b3b94faaSDavid Teigland #include "glock.h" 25b3b94faaSDavid Teigland #include "quota.h" 265c676f6dSSteven Whitehouse #include "util.h" 27*64d576baSSteven Whitehouse #include "glops.h" 28b3b94faaSDavid Teigland 29b3b94faaSDavid Teigland static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) 30b3b94faaSDavid Teigland { 31c7227e46SBob Peterson return snprintf(buf, PAGE_SIZE, "%u:%u\n", 32c7227e46SBob Peterson MAJOR(sdp->sd_vfs->s_dev), MINOR(sdp->sd_vfs->s_dev)); 33b3b94faaSDavid Teigland } 34b3b94faaSDavid Teigland 35b3b94faaSDavid Teigland static ssize_t fsname_show(struct gfs2_sbd *sdp, char *buf) 36b3b94faaSDavid Teigland { 373204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_fsname); 38b3b94faaSDavid Teigland } 39b3b94faaSDavid Teigland 4002e3cc70SSteven Whitehouse static int gfs2_uuid_valid(const u8 *uuid) 4102e3cc70SSteven Whitehouse { 4202e3cc70SSteven Whitehouse int i; 4302e3cc70SSteven Whitehouse 4402e3cc70SSteven Whitehouse for (i = 0; i < 16; i++) { 4502e3cc70SSteven Whitehouse if (uuid[i]) 4602e3cc70SSteven Whitehouse return 1; 4702e3cc70SSteven Whitehouse } 4802e3cc70SSteven Whitehouse return 0; 4902e3cc70SSteven Whitehouse } 5002e3cc70SSteven Whitehouse 5102e3cc70SSteven Whitehouse static ssize_t uuid_show(struct gfs2_sbd *sdp, char *buf) 5202e3cc70SSteven Whitehouse { 5302e3cc70SSteven Whitehouse const u8 *uuid = sdp->sd_sb.sb_uuid; 5402e3cc70SSteven Whitehouse buf[0] = '\0'; 5502e3cc70SSteven Whitehouse if (!gfs2_uuid_valid(uuid)) 5602e3cc70SSteven Whitehouse return 0; 5702e3cc70SSteven Whitehouse return snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X-%02X%02X-" 5802e3cc70SSteven Whitehouse "%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n", 5902e3cc70SSteven Whitehouse uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], 6002e3cc70SSteven Whitehouse uuid[6], uuid[7], uuid[8], uuid[9], uuid[10], uuid[11], 6102e3cc70SSteven Whitehouse uuid[12], uuid[13], uuid[14], uuid[15]); 6202e3cc70SSteven Whitehouse } 6302e3cc70SSteven Whitehouse 64b3b94faaSDavid Teigland static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf) 65b3b94faaSDavid Teigland { 66b3b94faaSDavid Teigland unsigned int count; 67b3b94faaSDavid Teigland 68f55ab26aSSteven Whitehouse mutex_lock(&sdp->sd_freeze_lock); 69b3b94faaSDavid Teigland count = sdp->sd_freeze_count; 70f55ab26aSSteven Whitehouse mutex_unlock(&sdp->sd_freeze_lock); 71b3b94faaSDavid Teigland 723204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, "%u\n", count); 73b3b94faaSDavid Teigland } 74b3b94faaSDavid Teigland 75b3b94faaSDavid Teigland static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len) 76b3b94faaSDavid Teigland { 77b3b94faaSDavid Teigland ssize_t ret = len; 78b3b94faaSDavid Teigland int error = 0; 79b3b94faaSDavid Teigland int n = simple_strtol(buf, NULL, 0); 80b3b94faaSDavid Teigland 81b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 82b3b94faaSDavid Teigland return -EACCES; 83b3b94faaSDavid Teigland 84b3b94faaSDavid Teigland switch (n) { 85b3b94faaSDavid Teigland case 0: 86b3b94faaSDavid Teigland gfs2_unfreeze_fs(sdp); 87b3b94faaSDavid Teigland break; 88b3b94faaSDavid Teigland case 1: 89b3b94faaSDavid Teigland error = gfs2_freeze_fs(sdp); 90b3b94faaSDavid Teigland break; 91b3b94faaSDavid Teigland default: 92b3b94faaSDavid Teigland ret = -EINVAL; 93b3b94faaSDavid Teigland } 94b3b94faaSDavid Teigland 95b3b94faaSDavid Teigland if (error) 96b3b94faaSDavid Teigland fs_warn(sdp, "freeze %d error %d", n, error); 97b3b94faaSDavid Teigland 98b3b94faaSDavid Teigland return ret; 99b3b94faaSDavid Teigland } 100b3b94faaSDavid Teigland 101b3b94faaSDavid Teigland static ssize_t withdraw_show(struct gfs2_sbd *sdp, char *buf) 102b3b94faaSDavid Teigland { 103b3b94faaSDavid Teigland unsigned int b = test_bit(SDF_SHUTDOWN, &sdp->sd_flags); 1043204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, "%u\n", b); 105b3b94faaSDavid Teigland } 106b3b94faaSDavid Teigland 107b3b94faaSDavid Teigland static ssize_t withdraw_store(struct gfs2_sbd *sdp, const char *buf, size_t len) 108b3b94faaSDavid Teigland { 109b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 110b3b94faaSDavid Teigland return -EACCES; 111b3b94faaSDavid Teigland 112b3b94faaSDavid Teigland if (simple_strtol(buf, NULL, 0) != 1) 113b3b94faaSDavid Teigland return -EINVAL; 114b3b94faaSDavid Teigland 115b3b94faaSDavid Teigland gfs2_lm_withdraw(sdp, 116b3b94faaSDavid Teigland "GFS2: fsid=%s: withdrawing from cluster at user's request\n", 117b3b94faaSDavid Teigland sdp->sd_fsname); 118b3b94faaSDavid Teigland return len; 119b3b94faaSDavid Teigland } 120b3b94faaSDavid Teigland 121b3b94faaSDavid Teigland static ssize_t statfs_sync_store(struct gfs2_sbd *sdp, const char *buf, 122b3b94faaSDavid Teigland size_t len) 123b3b94faaSDavid Teigland { 124b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 125b3b94faaSDavid Teigland return -EACCES; 126b3b94faaSDavid Teigland 127b3b94faaSDavid Teigland if (simple_strtol(buf, NULL, 0) != 1) 128b3b94faaSDavid Teigland return -EINVAL; 129b3b94faaSDavid Teigland 130b3b94faaSDavid Teigland gfs2_statfs_sync(sdp); 131b3b94faaSDavid Teigland return len; 132b3b94faaSDavid Teigland } 133b3b94faaSDavid Teigland 134b3b94faaSDavid Teigland static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf, 135b3b94faaSDavid Teigland size_t len) 136b3b94faaSDavid Teigland { 137b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 138b3b94faaSDavid Teigland return -EACCES; 139b3b94faaSDavid Teigland 140b3b94faaSDavid Teigland if (simple_strtol(buf, NULL, 0) != 1) 141b3b94faaSDavid Teigland return -EINVAL; 142b3b94faaSDavid Teigland 143b3b94faaSDavid Teigland gfs2_quota_sync(sdp); 144b3b94faaSDavid Teigland return len; 145b3b94faaSDavid Teigland } 146b3b94faaSDavid Teigland 147b3b94faaSDavid Teigland static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf, 148b3b94faaSDavid Teigland size_t len) 149b3b94faaSDavid Teigland { 150cd915493SSteven Whitehouse u32 id; 151b3b94faaSDavid Teigland 152b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 153b3b94faaSDavid Teigland return -EACCES; 154b3b94faaSDavid Teigland 155b3b94faaSDavid Teigland id = simple_strtoul(buf, NULL, 0); 156b3b94faaSDavid Teigland 157b3b94faaSDavid Teigland gfs2_quota_refresh(sdp, 1, id); 158b3b94faaSDavid Teigland return len; 159b3b94faaSDavid Teigland } 160b3b94faaSDavid Teigland 161b3b94faaSDavid Teigland static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf, 162b3b94faaSDavid Teigland size_t len) 163b3b94faaSDavid Teigland { 164cd915493SSteven Whitehouse u32 id; 165b3b94faaSDavid Teigland 166b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 167b3b94faaSDavid Teigland return -EACCES; 168b3b94faaSDavid Teigland 169b3b94faaSDavid Teigland id = simple_strtoul(buf, NULL, 0); 170b3b94faaSDavid Teigland 171b3b94faaSDavid Teigland gfs2_quota_refresh(sdp, 0, id); 172b3b94faaSDavid Teigland return len; 173b3b94faaSDavid Teigland } 174b3b94faaSDavid Teigland 175*64d576baSSteven Whitehouse static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len) 176*64d576baSSteven Whitehouse { 177*64d576baSSteven Whitehouse struct gfs2_glock *gl; 178*64d576baSSteven Whitehouse const struct gfs2_glock_operations *glops; 179*64d576baSSteven Whitehouse unsigned int glmode; 180*64d576baSSteven Whitehouse unsigned int gltype; 181*64d576baSSteven Whitehouse unsigned long long glnum; 182*64d576baSSteven Whitehouse char mode[16]; 183*64d576baSSteven Whitehouse int rv; 184*64d576baSSteven Whitehouse 185*64d576baSSteven Whitehouse if (!capable(CAP_SYS_ADMIN)) 186*64d576baSSteven Whitehouse return -EACCES; 187*64d576baSSteven Whitehouse 188*64d576baSSteven Whitehouse rv = sscanf(buf, "%u:%llu %15s", &gltype, &glnum, 189*64d576baSSteven Whitehouse mode); 190*64d576baSSteven Whitehouse if (rv != 3) 191*64d576baSSteven Whitehouse return -EINVAL; 192*64d576baSSteven Whitehouse 193*64d576baSSteven Whitehouse if (strcmp(mode, "EX") == 0) 194*64d576baSSteven Whitehouse glmode = LM_ST_UNLOCKED; 195*64d576baSSteven Whitehouse else if ((strcmp(mode, "CW") == 0) || (strcmp(mode, "DF") == 0)) 196*64d576baSSteven Whitehouse glmode = LM_ST_DEFERRED; 197*64d576baSSteven Whitehouse else if ((strcmp(mode, "PR") == 0) || (strcmp(mode, "SH") == 0)) 198*64d576baSSteven Whitehouse glmode = LM_ST_SHARED; 199*64d576baSSteven Whitehouse else 200*64d576baSSteven Whitehouse return -EINVAL; 201*64d576baSSteven Whitehouse 202*64d576baSSteven Whitehouse if (gltype > LM_TYPE_JOURNAL) 203*64d576baSSteven Whitehouse return -EINVAL; 204*64d576baSSteven Whitehouse glops = gfs2_glops_list[gltype]; 205*64d576baSSteven Whitehouse if (glops == NULL) 206*64d576baSSteven Whitehouse return -EINVAL; 207*64d576baSSteven Whitehouse rv = gfs2_glock_get(sdp, glnum, glops, 0, &gl); 208*64d576baSSteven Whitehouse if (rv) 209*64d576baSSteven Whitehouse return rv; 210*64d576baSSteven Whitehouse gfs2_glock_cb(gl, glmode); 211*64d576baSSteven Whitehouse gfs2_glock_put(gl); 212*64d576baSSteven Whitehouse return len; 213*64d576baSSteven Whitehouse } 214*64d576baSSteven Whitehouse 215b3b94faaSDavid Teigland struct gfs2_attr { 216b3b94faaSDavid Teigland struct attribute attr; 217b3b94faaSDavid Teigland ssize_t (*show)(struct gfs2_sbd *, char *); 218b3b94faaSDavid Teigland ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); 219b3b94faaSDavid Teigland }; 220b3b94faaSDavid Teigland 221b3b94faaSDavid Teigland #define GFS2_ATTR(name, mode, show, store) \ 222b3b94faaSDavid Teigland static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store) 223b3b94faaSDavid Teigland 224b3b94faaSDavid Teigland GFS2_ATTR(id, 0444, id_show, NULL); 225b3b94faaSDavid Teigland GFS2_ATTR(fsname, 0444, fsname_show, NULL); 22602e3cc70SSteven Whitehouse GFS2_ATTR(uuid, 0444, uuid_show, NULL); 227b3b94faaSDavid Teigland GFS2_ATTR(freeze, 0644, freeze_show, freeze_store); 228b3b94faaSDavid Teigland GFS2_ATTR(withdraw, 0644, withdraw_show, withdraw_store); 229b3b94faaSDavid Teigland GFS2_ATTR(statfs_sync, 0200, NULL, statfs_sync_store); 230b3b94faaSDavid Teigland GFS2_ATTR(quota_sync, 0200, NULL, quota_sync_store); 231b3b94faaSDavid Teigland GFS2_ATTR(quota_refresh_user, 0200, NULL, quota_refresh_user_store); 232b3b94faaSDavid Teigland GFS2_ATTR(quota_refresh_group, 0200, NULL, quota_refresh_group_store); 233*64d576baSSteven Whitehouse GFS2_ATTR(demote_rq, 0200, NULL, demote_rq_store); 234b3b94faaSDavid Teigland 235b3b94faaSDavid Teigland static struct attribute *gfs2_attrs[] = { 236b3b94faaSDavid Teigland &gfs2_attr_id.attr, 237b3b94faaSDavid Teigland &gfs2_attr_fsname.attr, 23802e3cc70SSteven Whitehouse &gfs2_attr_uuid.attr, 239b3b94faaSDavid Teigland &gfs2_attr_freeze.attr, 240b3b94faaSDavid Teigland &gfs2_attr_withdraw.attr, 241b3b94faaSDavid Teigland &gfs2_attr_statfs_sync.attr, 242b3b94faaSDavid Teigland &gfs2_attr_quota_sync.attr, 243b3b94faaSDavid Teigland &gfs2_attr_quota_refresh_user.attr, 244b3b94faaSDavid Teigland &gfs2_attr_quota_refresh_group.attr, 245*64d576baSSteven Whitehouse &gfs2_attr_demote_rq.attr, 246b3b94faaSDavid Teigland NULL, 247b3b94faaSDavid Teigland }; 248b3b94faaSDavid Teigland 249b3b94faaSDavid Teigland static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr, 250b3b94faaSDavid Teigland char *buf) 251b3b94faaSDavid Teigland { 252b3b94faaSDavid Teigland struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); 253b3b94faaSDavid Teigland struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); 254b3b94faaSDavid Teigland return a->show ? a->show(sdp, buf) : 0; 255b3b94faaSDavid Teigland } 256b3b94faaSDavid Teigland 257b3b94faaSDavid Teigland static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr, 258b3b94faaSDavid Teigland const char *buf, size_t len) 259b3b94faaSDavid Teigland { 260b3b94faaSDavid Teigland struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); 261b3b94faaSDavid Teigland struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); 262b3b94faaSDavid Teigland return a->store ? a->store(sdp, buf, len) : len; 263b3b94faaSDavid Teigland } 264b3b94faaSDavid Teigland 265b3b94faaSDavid Teigland static struct sysfs_ops gfs2_attr_ops = { 266b3b94faaSDavid Teigland .show = gfs2_attr_show, 267b3b94faaSDavid Teigland .store = gfs2_attr_store, 268b3b94faaSDavid Teigland }; 269b3b94faaSDavid Teigland 270b3b94faaSDavid Teigland static struct kobj_type gfs2_ktype = { 271b3b94faaSDavid Teigland .default_attrs = gfs2_attrs, 272b3b94faaSDavid Teigland .sysfs_ops = &gfs2_attr_ops, 273b3b94faaSDavid Teigland }; 274b3b94faaSDavid Teigland 2759bec101aSGreg Kroah-Hartman static struct kset *gfs2_kset; 276b3b94faaSDavid Teigland 277b3b94faaSDavid Teigland /* 278b3b94faaSDavid Teigland * display struct lm_lockstruct fields 279b3b94faaSDavid Teigland */ 280b3b94faaSDavid Teigland 281b3b94faaSDavid Teigland struct lockstruct_attr { 282b3b94faaSDavid Teigland struct attribute attr; 283b3b94faaSDavid Teigland ssize_t (*show)(struct gfs2_sbd *, char *); 284b3b94faaSDavid Teigland }; 285b3b94faaSDavid Teigland 286b3b94faaSDavid Teigland #define LOCKSTRUCT_ATTR(name, fmt) \ 287b3b94faaSDavid Teigland static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ 288b3b94faaSDavid Teigland { \ 2893204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \ 290b3b94faaSDavid Teigland } \ 291b3b94faaSDavid Teigland static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name) 292b3b94faaSDavid Teigland 293b3b94faaSDavid Teigland LOCKSTRUCT_ATTR(jid, "%u\n"); 294b3b94faaSDavid Teigland LOCKSTRUCT_ATTR(first, "%u\n"); 295b3b94faaSDavid Teigland 296b3b94faaSDavid Teigland static struct attribute *lockstruct_attrs[] = { 297b3b94faaSDavid Teigland &lockstruct_attr_jid.attr, 298b3b94faaSDavid Teigland &lockstruct_attr_first.attr, 299f057f6cdSSteven Whitehouse NULL, 300f057f6cdSSteven Whitehouse }; 301f057f6cdSSteven Whitehouse 302f057f6cdSSteven Whitehouse /* 303f057f6cdSSteven Whitehouse * lock_module. Originally from lock_dlm 304f057f6cdSSteven Whitehouse */ 305f057f6cdSSteven Whitehouse 306f057f6cdSSteven Whitehouse static ssize_t proto_name_show(struct gfs2_sbd *sdp, char *buf) 307f057f6cdSSteven Whitehouse { 308f057f6cdSSteven Whitehouse const struct lm_lockops *ops = sdp->sd_lockstruct.ls_ops; 309f057f6cdSSteven Whitehouse return sprintf(buf, "%s\n", ops->lm_proto_name); 310f057f6cdSSteven Whitehouse } 311f057f6cdSSteven Whitehouse 312f057f6cdSSteven Whitehouse static ssize_t block_show(struct gfs2_sbd *sdp, char *buf) 313f057f6cdSSteven Whitehouse { 314f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 315f057f6cdSSteven Whitehouse ssize_t ret; 316f057f6cdSSteven Whitehouse int val = 0; 317f057f6cdSSteven Whitehouse 318f057f6cdSSteven Whitehouse if (test_bit(DFL_BLOCK_LOCKS, &ls->ls_flags)) 319f057f6cdSSteven Whitehouse val = 1; 320f057f6cdSSteven Whitehouse ret = sprintf(buf, "%d\n", val); 321f057f6cdSSteven Whitehouse return ret; 322f057f6cdSSteven Whitehouse } 323f057f6cdSSteven Whitehouse 324f057f6cdSSteven Whitehouse static ssize_t block_store(struct gfs2_sbd *sdp, const char *buf, size_t len) 325f057f6cdSSteven Whitehouse { 326f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 327f057f6cdSSteven Whitehouse ssize_t ret = len; 328f057f6cdSSteven Whitehouse int val; 329f057f6cdSSteven Whitehouse 330f057f6cdSSteven Whitehouse val = simple_strtol(buf, NULL, 0); 331f057f6cdSSteven Whitehouse 332f057f6cdSSteven Whitehouse if (val == 1) 333f057f6cdSSteven Whitehouse set_bit(DFL_BLOCK_LOCKS, &ls->ls_flags); 334f057f6cdSSteven Whitehouse else if (val == 0) { 335f057f6cdSSteven Whitehouse clear_bit(DFL_BLOCK_LOCKS, &ls->ls_flags); 336f057f6cdSSteven Whitehouse smp_mb__after_clear_bit(); 337f057f6cdSSteven Whitehouse gfs2_glock_thaw(sdp); 338f057f6cdSSteven Whitehouse } else { 339f057f6cdSSteven Whitehouse ret = -EINVAL; 340f057f6cdSSteven Whitehouse } 341f057f6cdSSteven Whitehouse return ret; 342f057f6cdSSteven Whitehouse } 343f057f6cdSSteven Whitehouse 344f057f6cdSSteven Whitehouse static ssize_t lkid_show(struct gfs2_sbd *sdp, char *buf) 345f057f6cdSSteven Whitehouse { 346f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 347f057f6cdSSteven Whitehouse return sprintf(buf, "%u\n", ls->ls_id); 348f057f6cdSSteven Whitehouse } 349f057f6cdSSteven Whitehouse 350f057f6cdSSteven Whitehouse static ssize_t lkfirst_show(struct gfs2_sbd *sdp, char *buf) 351f057f6cdSSteven Whitehouse { 352f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 353f057f6cdSSteven Whitehouse return sprintf(buf, "%d\n", ls->ls_first); 354f057f6cdSSteven Whitehouse } 355f057f6cdSSteven Whitehouse 356f057f6cdSSteven Whitehouse static ssize_t first_done_show(struct gfs2_sbd *sdp, char *buf) 357f057f6cdSSteven Whitehouse { 358f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 359f057f6cdSSteven Whitehouse return sprintf(buf, "%d\n", ls->ls_first_done); 360f057f6cdSSteven Whitehouse } 361f057f6cdSSteven Whitehouse 362f057f6cdSSteven Whitehouse static ssize_t recover_show(struct gfs2_sbd *sdp, char *buf) 363f057f6cdSSteven Whitehouse { 364f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 365f057f6cdSSteven Whitehouse return sprintf(buf, "%d\n", ls->ls_recover_jid); 366f057f6cdSSteven Whitehouse } 367f057f6cdSSteven Whitehouse 368f057f6cdSSteven Whitehouse static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid) 369f057f6cdSSteven Whitehouse { 370f057f6cdSSteven Whitehouse struct gfs2_jdesc *jd; 371f057f6cdSSteven Whitehouse 372f057f6cdSSteven Whitehouse spin_lock(&sdp->sd_jindex_spin); 373f057f6cdSSteven Whitehouse list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { 374f057f6cdSSteven Whitehouse if (jd->jd_jid != jid) 375f057f6cdSSteven Whitehouse continue; 376f057f6cdSSteven Whitehouse jd->jd_dirty = 1; 377f057f6cdSSteven Whitehouse break; 378f057f6cdSSteven Whitehouse } 379f057f6cdSSteven Whitehouse spin_unlock(&sdp->sd_jindex_spin); 380f057f6cdSSteven Whitehouse } 381f057f6cdSSteven Whitehouse 382f057f6cdSSteven Whitehouse static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len) 383f057f6cdSSteven Whitehouse { 384f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 385f057f6cdSSteven Whitehouse ls->ls_recover_jid = simple_strtol(buf, NULL, 0); 386f057f6cdSSteven Whitehouse gfs2_jdesc_make_dirty(sdp, ls->ls_recover_jid); 387f057f6cdSSteven Whitehouse if (sdp->sd_recoverd_process) 388f057f6cdSSteven Whitehouse wake_up_process(sdp->sd_recoverd_process); 389f057f6cdSSteven Whitehouse return len; 390f057f6cdSSteven Whitehouse } 391f057f6cdSSteven Whitehouse 392f057f6cdSSteven Whitehouse static ssize_t recover_done_show(struct gfs2_sbd *sdp, char *buf) 393f057f6cdSSteven Whitehouse { 394f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 395f057f6cdSSteven Whitehouse return sprintf(buf, "%d\n", ls->ls_recover_jid_done); 396f057f6cdSSteven Whitehouse } 397f057f6cdSSteven Whitehouse 398f057f6cdSSteven Whitehouse static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf) 399f057f6cdSSteven Whitehouse { 400f057f6cdSSteven Whitehouse struct lm_lockstruct *ls = &sdp->sd_lockstruct; 401f057f6cdSSteven Whitehouse return sprintf(buf, "%d\n", ls->ls_recover_jid_status); 402f057f6cdSSteven Whitehouse } 403f057f6cdSSteven Whitehouse 404f057f6cdSSteven Whitehouse struct gdlm_attr { 405f057f6cdSSteven Whitehouse struct attribute attr; 406f057f6cdSSteven Whitehouse ssize_t (*show)(struct gfs2_sbd *sdp, char *); 407f057f6cdSSteven Whitehouse ssize_t (*store)(struct gfs2_sbd *sdp, const char *, size_t); 408f057f6cdSSteven Whitehouse }; 409f057f6cdSSteven Whitehouse 410f057f6cdSSteven Whitehouse #define GDLM_ATTR(_name,_mode,_show,_store) \ 411f057f6cdSSteven Whitehouse static struct gdlm_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store) 412f057f6cdSSteven Whitehouse 413f057f6cdSSteven Whitehouse GDLM_ATTR(proto_name, 0444, proto_name_show, NULL); 414f057f6cdSSteven Whitehouse GDLM_ATTR(block, 0644, block_show, block_store); 415f057f6cdSSteven Whitehouse GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store); 416f057f6cdSSteven Whitehouse GDLM_ATTR(id, 0444, lkid_show, NULL); 417f057f6cdSSteven Whitehouse GDLM_ATTR(first, 0444, lkfirst_show, NULL); 418f057f6cdSSteven Whitehouse GDLM_ATTR(first_done, 0444, first_done_show, NULL); 419f057f6cdSSteven Whitehouse GDLM_ATTR(recover, 0644, recover_show, recover_store); 420f057f6cdSSteven Whitehouse GDLM_ATTR(recover_done, 0444, recover_done_show, NULL); 421f057f6cdSSteven Whitehouse GDLM_ATTR(recover_status, 0444, recover_status_show, NULL); 422f057f6cdSSteven Whitehouse 423f057f6cdSSteven Whitehouse static struct attribute *lock_module_attrs[] = { 424f057f6cdSSteven Whitehouse &gdlm_attr_proto_name.attr, 425f057f6cdSSteven Whitehouse &gdlm_attr_block.attr, 426f057f6cdSSteven Whitehouse &gdlm_attr_withdraw.attr, 427f057f6cdSSteven Whitehouse &gdlm_attr_id.attr, 428f057f6cdSSteven Whitehouse &lockstruct_attr_jid.attr, 429f057f6cdSSteven Whitehouse &gdlm_attr_first.attr, 430f057f6cdSSteven Whitehouse &gdlm_attr_first_done.attr, 431f057f6cdSSteven Whitehouse &gdlm_attr_recover.attr, 432f057f6cdSSteven Whitehouse &gdlm_attr_recover_done.attr, 433f057f6cdSSteven Whitehouse &gdlm_attr_recover_status.attr, 434ea67eedbSSteven Whitehouse NULL, 435b3b94faaSDavid Teigland }; 436b3b94faaSDavid Teigland 437b3b94faaSDavid Teigland /* 438b3b94faaSDavid Teigland * display struct gfs2_args fields 439b3b94faaSDavid Teigland */ 440b3b94faaSDavid Teigland 441b3b94faaSDavid Teigland struct args_attr { 442b3b94faaSDavid Teigland struct attribute attr; 443b3b94faaSDavid Teigland ssize_t (*show)(struct gfs2_sbd *, char *); 444b3b94faaSDavid Teigland }; 445b3b94faaSDavid Teigland 446b3b94faaSDavid Teigland #define ARGS_ATTR(name, fmt) \ 447b3b94faaSDavid Teigland static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ 448b3b94faaSDavid Teigland { \ 4493204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \ 450b3b94faaSDavid Teigland } \ 451b3b94faaSDavid Teigland static struct args_attr args_attr_##name = __ATTR_RO(name) 452b3b94faaSDavid Teigland 453b3b94faaSDavid Teigland ARGS_ATTR(lockproto, "%s\n"); 454b3b94faaSDavid Teigland ARGS_ATTR(locktable, "%s\n"); 455b3b94faaSDavid Teigland ARGS_ATTR(hostdata, "%s\n"); 456b3b94faaSDavid Teigland ARGS_ATTR(spectator, "%d\n"); 457b3b94faaSDavid Teigland ARGS_ATTR(ignore_local_fs, "%d\n"); 458b3b94faaSDavid Teigland ARGS_ATTR(localcaching, "%d\n"); 459b3b94faaSDavid Teigland ARGS_ATTR(localflocks, "%d\n"); 460b3b94faaSDavid Teigland ARGS_ATTR(debug, "%d\n"); 461b3b94faaSDavid Teigland ARGS_ATTR(upgrade, "%d\n"); 462b3b94faaSDavid Teigland ARGS_ATTR(posix_acl, "%d\n"); 463b3b94faaSDavid Teigland ARGS_ATTR(quota, "%u\n"); 464b3b94faaSDavid Teigland ARGS_ATTR(suiddir, "%d\n"); 465b3b94faaSDavid Teigland ARGS_ATTR(data, "%d\n"); 466b3b94faaSDavid Teigland 467b3b94faaSDavid Teigland static struct attribute *args_attrs[] = { 468b3b94faaSDavid Teigland &args_attr_lockproto.attr, 469b3b94faaSDavid Teigland &args_attr_locktable.attr, 470b3b94faaSDavid Teigland &args_attr_hostdata.attr, 471b3b94faaSDavid Teigland &args_attr_spectator.attr, 472b3b94faaSDavid Teigland &args_attr_ignore_local_fs.attr, 473b3b94faaSDavid Teigland &args_attr_localcaching.attr, 474b3b94faaSDavid Teigland &args_attr_localflocks.attr, 475b3b94faaSDavid Teigland &args_attr_debug.attr, 476b3b94faaSDavid Teigland &args_attr_upgrade.attr, 477b3b94faaSDavid Teigland &args_attr_posix_acl.attr, 478b3b94faaSDavid Teigland &args_attr_quota.attr, 479b3b94faaSDavid Teigland &args_attr_suiddir.attr, 480b3b94faaSDavid Teigland &args_attr_data.attr, 481ea67eedbSSteven Whitehouse NULL, 482b3b94faaSDavid Teigland }; 483b3b94faaSDavid Teigland 484b3b94faaSDavid Teigland /* 485b3b94faaSDavid Teigland * get and set struct gfs2_tune fields 486b3b94faaSDavid Teigland */ 487b3b94faaSDavid Teigland 488b3b94faaSDavid Teigland static ssize_t quota_scale_show(struct gfs2_sbd *sdp, char *buf) 489b3b94faaSDavid Teigland { 4903204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, "%u %u\n", 4913204a6c0SDavid Teigland sdp->sd_tune.gt_quota_scale_num, 492b3b94faaSDavid Teigland sdp->sd_tune.gt_quota_scale_den); 493b3b94faaSDavid Teigland } 494b3b94faaSDavid Teigland 495b3b94faaSDavid Teigland static ssize_t quota_scale_store(struct gfs2_sbd *sdp, const char *buf, 496b3b94faaSDavid Teigland size_t len) 497b3b94faaSDavid Teigland { 498b3b94faaSDavid Teigland struct gfs2_tune *gt = &sdp->sd_tune; 499b3b94faaSDavid Teigland unsigned int x, y; 500b3b94faaSDavid Teigland 501b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 502b3b94faaSDavid Teigland return -EACCES; 503b3b94faaSDavid Teigland 504b3b94faaSDavid Teigland if (sscanf(buf, "%u %u", &x, &y) != 2 || !y) 505b3b94faaSDavid Teigland return -EINVAL; 506b3b94faaSDavid Teigland 507b3b94faaSDavid Teigland spin_lock(>->gt_spin); 508b3b94faaSDavid Teigland gt->gt_quota_scale_num = x; 509b3b94faaSDavid Teigland gt->gt_quota_scale_den = y; 510b3b94faaSDavid Teigland spin_unlock(>->gt_spin); 511b3b94faaSDavid Teigland return len; 512b3b94faaSDavid Teigland } 513b3b94faaSDavid Teigland 514b3b94faaSDavid Teigland static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field, 515b3b94faaSDavid Teigland int check_zero, const char *buf, size_t len) 516b3b94faaSDavid Teigland { 517b3b94faaSDavid Teigland struct gfs2_tune *gt = &sdp->sd_tune; 518b3b94faaSDavid Teigland unsigned int x; 519b3b94faaSDavid Teigland 520b3b94faaSDavid Teigland if (!capable(CAP_SYS_ADMIN)) 521b3b94faaSDavid Teigland return -EACCES; 522b3b94faaSDavid Teigland 523b3b94faaSDavid Teigland x = simple_strtoul(buf, NULL, 0); 524b3b94faaSDavid Teigland 525b3b94faaSDavid Teigland if (check_zero && !x) 526b3b94faaSDavid Teigland return -EINVAL; 527b3b94faaSDavid Teigland 528b3b94faaSDavid Teigland spin_lock(>->gt_spin); 529b3b94faaSDavid Teigland *field = x; 530b3b94faaSDavid Teigland spin_unlock(>->gt_spin); 531b3b94faaSDavid Teigland return len; 532b3b94faaSDavid Teigland } 533b3b94faaSDavid Teigland 534b3b94faaSDavid Teigland struct tune_attr { 535b3b94faaSDavid Teigland struct attribute attr; 536b3b94faaSDavid Teigland ssize_t (*show)(struct gfs2_sbd *, char *); 537b3b94faaSDavid Teigland ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); 538b3b94faaSDavid Teigland }; 539b3b94faaSDavid Teigland 540b3b94faaSDavid Teigland #define TUNE_ATTR_3(name, show, store) \ 541b3b94faaSDavid Teigland static struct tune_attr tune_attr_##name = __ATTR(name, 0644, show, store) 542b3b94faaSDavid Teigland 543b3b94faaSDavid Teigland #define TUNE_ATTR_2(name, store) \ 544b3b94faaSDavid Teigland static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ 545b3b94faaSDavid Teigland { \ 5463204a6c0SDavid Teigland return snprintf(buf, PAGE_SIZE, "%u\n", sdp->sd_tune.gt_##name); \ 547b3b94faaSDavid Teigland } \ 548b3b94faaSDavid Teigland TUNE_ATTR_3(name, name##_show, store) 549b3b94faaSDavid Teigland 550b3b94faaSDavid Teigland #define TUNE_ATTR(name, check_zero) \ 551b3b94faaSDavid Teigland static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ 552b3b94faaSDavid Teigland { \ 553b3b94faaSDavid Teigland return tune_set(sdp, &sdp->sd_tune.gt_##name, check_zero, buf, len); \ 554b3b94faaSDavid Teigland } \ 555b3b94faaSDavid Teigland TUNE_ATTR_2(name, name##_store) 556b3b94faaSDavid Teigland 557b3b94faaSDavid Teigland #define TUNE_ATTR_DAEMON(name, process) \ 558b3b94faaSDavid Teigland static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ 559b3b94faaSDavid Teigland { \ 560b3b94faaSDavid Teigland ssize_t r = tune_set(sdp, &sdp->sd_tune.gt_##name, 1, buf, len); \ 561b3b94faaSDavid Teigland wake_up_process(sdp->sd_##process); \ 562b3b94faaSDavid Teigland return r; \ 563b3b94faaSDavid Teigland } \ 564b3b94faaSDavid Teigland TUNE_ATTR_2(name, name##_store) 565b3b94faaSDavid Teigland 566b3b94faaSDavid Teigland TUNE_ATTR(incore_log_blocks, 0); 567b3b94faaSDavid Teigland TUNE_ATTR(log_flush_secs, 0); 568b3b94faaSDavid Teigland TUNE_ATTR(quota_warn_period, 0); 569b3b94faaSDavid Teigland TUNE_ATTR(quota_quantum, 0); 570b3b94faaSDavid Teigland TUNE_ATTR(max_readahead, 0); 571b3b94faaSDavid Teigland TUNE_ATTR(complain_secs, 0); 572b3b94faaSDavid Teigland TUNE_ATTR(statfs_slow, 0); 573b3b94faaSDavid Teigland TUNE_ATTR(new_files_jdata, 0); 574b3b94faaSDavid Teigland TUNE_ATTR(quota_simul_sync, 1); 575b3b94faaSDavid Teigland TUNE_ATTR(stall_secs, 1); 576b3b94faaSDavid Teigland TUNE_ATTR(statfs_quantum, 1); 577b3b94faaSDavid Teigland TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process); 578b3b94faaSDavid Teigland TUNE_ATTR_DAEMON(logd_secs, logd_process); 579b3b94faaSDavid Teigland TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); 580b3b94faaSDavid Teigland 581b3b94faaSDavid Teigland static struct attribute *tune_attrs[] = { 582b3b94faaSDavid Teigland &tune_attr_incore_log_blocks.attr, 583b3b94faaSDavid Teigland &tune_attr_log_flush_secs.attr, 584b3b94faaSDavid Teigland &tune_attr_quota_warn_period.attr, 585b3b94faaSDavid Teigland &tune_attr_quota_quantum.attr, 586b3b94faaSDavid Teigland &tune_attr_max_readahead.attr, 587b3b94faaSDavid Teigland &tune_attr_complain_secs.attr, 588b3b94faaSDavid Teigland &tune_attr_statfs_slow.attr, 589b3b94faaSDavid Teigland &tune_attr_quota_simul_sync.attr, 590b3b94faaSDavid Teigland &tune_attr_stall_secs.attr, 591b3b94faaSDavid Teigland &tune_attr_statfs_quantum.attr, 592b3b94faaSDavid Teigland &tune_attr_recoverd_secs.attr, 593b3b94faaSDavid Teigland &tune_attr_logd_secs.attr, 594b3b94faaSDavid Teigland &tune_attr_quota_scale.attr, 595b3b94faaSDavid Teigland &tune_attr_new_files_jdata.attr, 596ea67eedbSSteven Whitehouse NULL, 597b3b94faaSDavid Teigland }; 598b3b94faaSDavid Teigland 599b3b94faaSDavid Teigland static struct attribute_group lockstruct_group = { 600b3b94faaSDavid Teigland .name = "lockstruct", 601ea67eedbSSteven Whitehouse .attrs = lockstruct_attrs, 602b3b94faaSDavid Teigland }; 603b3b94faaSDavid Teigland 604b3b94faaSDavid Teigland static struct attribute_group args_group = { 605b3b94faaSDavid Teigland .name = "args", 606ea67eedbSSteven Whitehouse .attrs = args_attrs, 607b3b94faaSDavid Teigland }; 608b3b94faaSDavid Teigland 609b3b94faaSDavid Teigland static struct attribute_group tune_group = { 610b3b94faaSDavid Teigland .name = "tune", 611ea67eedbSSteven Whitehouse .attrs = tune_attrs, 612b3b94faaSDavid Teigland }; 613b3b94faaSDavid Teigland 614f057f6cdSSteven Whitehouse static struct attribute_group lock_module_group = { 615f057f6cdSSteven Whitehouse .name = "lock_module", 616f057f6cdSSteven Whitehouse .attrs = lock_module_attrs, 617f057f6cdSSteven Whitehouse }; 618f057f6cdSSteven Whitehouse 619b3b94faaSDavid Teigland int gfs2_sys_fs_add(struct gfs2_sbd *sdp) 620b3b94faaSDavid Teigland { 621b3b94faaSDavid Teigland int error; 622b3b94faaSDavid Teigland 6239bec101aSGreg Kroah-Hartman sdp->sd_kobj.kset = gfs2_kset; 624901195edSGreg Kroah-Hartman error = kobject_init_and_add(&sdp->sd_kobj, &gfs2_ktype, NULL, 625901195edSGreg Kroah-Hartman "%s", sdp->sd_table_name); 626b3b94faaSDavid Teigland if (error) 627b3b94faaSDavid Teigland goto fail; 628b3b94faaSDavid Teigland 629b3b94faaSDavid Teigland error = sysfs_create_group(&sdp->sd_kobj, &lockstruct_group); 630b3b94faaSDavid Teigland if (error) 631b3b94faaSDavid Teigland goto fail_reg; 632b3b94faaSDavid Teigland 633b3b94faaSDavid Teigland error = sysfs_create_group(&sdp->sd_kobj, &args_group); 634b3b94faaSDavid Teigland if (error) 63597cc1025SSteven Whitehouse goto fail_lockstruct; 636b3b94faaSDavid Teigland 637b3b94faaSDavid Teigland error = sysfs_create_group(&sdp->sd_kobj, &tune_group); 638b3b94faaSDavid Teigland if (error) 639b3b94faaSDavid Teigland goto fail_args; 640b3b94faaSDavid Teigland 641f057f6cdSSteven Whitehouse error = sysfs_create_group(&sdp->sd_kobj, &lock_module_group); 642f057f6cdSSteven Whitehouse if (error) 643f057f6cdSSteven Whitehouse goto fail_tune; 644f057f6cdSSteven Whitehouse 645901195edSGreg Kroah-Hartman kobject_uevent(&sdp->sd_kobj, KOBJ_ADD); 646b3b94faaSDavid Teigland return 0; 647b3b94faaSDavid Teigland 648f057f6cdSSteven Whitehouse fail_tune: 649f057f6cdSSteven Whitehouse sysfs_remove_group(&sdp->sd_kobj, &tune_group); 650b3b94faaSDavid Teigland fail_args: 651b3b94faaSDavid Teigland sysfs_remove_group(&sdp->sd_kobj, &args_group); 652b3b94faaSDavid Teigland fail_lockstruct: 653b3b94faaSDavid Teigland sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); 654b3b94faaSDavid Teigland fail_reg: 655197b12d6SGreg Kroah-Hartman kobject_put(&sdp->sd_kobj); 656b3b94faaSDavid Teigland fail: 65765952fb4SDavid Teigland fs_err(sdp, "error %d adding sysfs files", error); 658b3b94faaSDavid Teigland return error; 659b3b94faaSDavid Teigland } 660b3b94faaSDavid Teigland 661b3b94faaSDavid Teigland void gfs2_sys_fs_del(struct gfs2_sbd *sdp) 662b3b94faaSDavid Teigland { 663b3b94faaSDavid Teigland sysfs_remove_group(&sdp->sd_kobj, &tune_group); 664b3b94faaSDavid Teigland sysfs_remove_group(&sdp->sd_kobj, &args_group); 665b3b94faaSDavid Teigland sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); 666f057f6cdSSteven Whitehouse sysfs_remove_group(&sdp->sd_kobj, &lock_module_group); 667197b12d6SGreg Kroah-Hartman kobject_put(&sdp->sd_kobj); 668b3b94faaSDavid Teigland } 669b3b94faaSDavid Teigland 67002e3cc70SSteven Whitehouse 671fdd1062eSSteven Whitehouse static int gfs2_uevent(struct kset *kset, struct kobject *kobj, 672fdd1062eSSteven Whitehouse struct kobj_uevent_env *env) 673fdd1062eSSteven Whitehouse { 674fdd1062eSSteven Whitehouse struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); 67502e3cc70SSteven Whitehouse const u8 *uuid = sdp->sd_sb.sb_uuid; 67602e3cc70SSteven Whitehouse 677fdd1062eSSteven Whitehouse add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name); 678fdd1062eSSteven Whitehouse add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name); 67902e3cc70SSteven Whitehouse if (gfs2_uuid_valid(uuid)) { 68002e3cc70SSteven Whitehouse add_uevent_var(env, "UUID=%02X%02X%02X%02X-%02X%02X-%02X%02X-" 68102e3cc70SSteven Whitehouse "%02X%02X-%02X%02X%02X%02X%02X%02X", 68202e3cc70SSteven Whitehouse uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], 68302e3cc70SSteven Whitehouse uuid[5], uuid[6], uuid[7], uuid[8], uuid[9], 68402e3cc70SSteven Whitehouse uuid[10], uuid[11], uuid[12], uuid[13], 68502e3cc70SSteven Whitehouse uuid[14], uuid[15]); 68602e3cc70SSteven Whitehouse } 687fdd1062eSSteven Whitehouse return 0; 688fdd1062eSSteven Whitehouse } 689fdd1062eSSteven Whitehouse 690fdd1062eSSteven Whitehouse static struct kset_uevent_ops gfs2_uevent_ops = { 691fdd1062eSSteven Whitehouse .uevent = gfs2_uevent, 692fdd1062eSSteven Whitehouse }; 693fdd1062eSSteven Whitehouse 694fdd1062eSSteven Whitehouse 695b3b94faaSDavid Teigland int gfs2_sys_init(void) 696b3b94faaSDavid Teigland { 697fdd1062eSSteven Whitehouse gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj); 6989bec101aSGreg Kroah-Hartman if (!gfs2_kset) 6999bec101aSGreg Kroah-Hartman return -ENOMEM; 7009bec101aSGreg Kroah-Hartman return 0; 701b3b94faaSDavid Teigland } 702b3b94faaSDavid Teigland 703b3b94faaSDavid Teigland void gfs2_sys_uninit(void) 704b3b94faaSDavid Teigland { 7059bec101aSGreg Kroah-Hartman kset_unregister(gfs2_kset); 706b3b94faaSDavid Teigland } 707b3b94faaSDavid Teigland 708