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Diffstat (limited to 'fs/gfs2/sys.c')
-rw-r--r--fs/gfs2/sys.c245
1 files changed, 66 insertions, 179 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 7655f5025fec..23419dc3027b 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -26,6 +26,36 @@
#include "util.h"
#include "glops.h"
+struct gfs2_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct gfs2_sbd *, char *);
+ ssize_t (*store)(struct gfs2_sbd *, const char *, size_t);
+};
+
+static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
+ struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr);
+ return a->show ? a->show(sdp, buf) : 0;
+}
+
+static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len)
+{
+ struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
+ struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr);
+ return a->store ? a->store(sdp, buf, len) : len;
+}
+
+static struct sysfs_ops gfs2_attr_ops = {
+ .show = gfs2_attr_show,
+ .store = gfs2_attr_store,
+};
+
+
+static struct kset *gfs2_kset;
+
static ssize_t id_show(struct gfs2_sbd *sdp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u:%u\n",
@@ -212,11 +242,6 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
return len;
}
-struct gfs2_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *, char *);
- ssize_t (*store)(struct gfs2_sbd *, const char *, size_t);
-};
#define GFS2_ATTR(name, mode, show, store) \
static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store)
@@ -246,58 +271,11 @@ static struct attribute *gfs2_attrs[] = {
NULL,
};
-static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
-{
- struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
- struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr);
- return a->show ? a->show(sdp, buf) : 0;
-}
-
-static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr,
- const char *buf, size_t len)
-{
- struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
- struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr);
- return a->store ? a->store(sdp, buf, len) : len;
-}
-
-static struct sysfs_ops gfs2_attr_ops = {
- .show = gfs2_attr_show,
- .store = gfs2_attr_store,
-};
-
static struct kobj_type gfs2_ktype = {
.default_attrs = gfs2_attrs,
.sysfs_ops = &gfs2_attr_ops,
};
-static struct kset *gfs2_kset;
-
-/*
- * display struct lm_lockstruct fields
- */
-
-struct lockstruct_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *, char *);
-};
-
-#define LOCKSTRUCT_ATTR(name, fmt) \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
-{ \
- return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \
-} \
-static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name)
-
-LOCKSTRUCT_ATTR(jid, "%u\n");
-LOCKSTRUCT_ATTR(first, "%u\n");
-
-static struct attribute *lockstruct_attrs[] = {
- &lockstruct_attr_jid.attr,
- &lockstruct_attr_first.attr,
- NULL,
-};
/*
* lock_module. Originally from lock_dlm
@@ -359,34 +337,33 @@ static ssize_t first_done_show(struct gfs2_sbd *sdp, char *buf)
return sprintf(buf, "%d\n", ls->ls_first_done);
}
-static ssize_t recover_show(struct gfs2_sbd *sdp, char *buf)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- return sprintf(buf, "%d\n", ls->ls_recover_jid);
-}
-
-static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
+static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
{
+ unsigned jid;
struct gfs2_jdesc *jd;
+ int rv;
+
+ rv = sscanf(buf, "%u", &jid);
+ if (rv != 1)
+ return -EINVAL;
+ rv = -ESHUTDOWN;
spin_lock(&sdp->sd_jindex_spin);
+ if (test_bit(SDF_NORECOVERY, &sdp->sd_flags))
+ goto out;
+ rv = -EBUSY;
+ if (sdp->sd_jdesc->jd_jid == jid)
+ goto out;
+ rv = -ENOENT;
list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
if (jd->jd_jid != jid)
continue;
- jd->jd_dirty = 1;
+ rv = slow_work_enqueue(&jd->jd_work);
break;
}
+out:
spin_unlock(&sdp->sd_jindex_spin);
-}
-
-static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- ls->ls_recover_jid = simple_strtol(buf, NULL, 0);
- gfs2_jdesc_make_dirty(sdp, ls->ls_recover_jid);
- if (sdp->sd_recoverd_process)
- wake_up_process(sdp->sd_recoverd_process);
- return len;
+ return rv ? rv : len;
}
static ssize_t recover_done_show(struct gfs2_sbd *sdp, char *buf)
@@ -401,31 +378,31 @@ static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf)
return sprintf(buf, "%d\n", ls->ls_recover_jid_status);
}
-struct gdlm_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *sdp, char *);
- ssize_t (*store)(struct gfs2_sbd *sdp, const char *, size_t);
-};
+static ssize_t jid_show(struct gfs2_sbd *sdp, char *buf)
+{
+ return sprintf(buf, "%u\n", sdp->sd_lockstruct.ls_jid);
+}
#define GDLM_ATTR(_name,_mode,_show,_store) \
-static struct gdlm_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
-
-GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
-GDLM_ATTR(block, 0644, block_show, block_store);
-GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
-GDLM_ATTR(id, 0444, lkid_show, NULL);
-GDLM_ATTR(first, 0444, lkfirst_show, NULL);
-GDLM_ATTR(first_done, 0444, first_done_show, NULL);
-GDLM_ATTR(recover, 0644, recover_show, recover_store);
-GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
-GDLM_ATTR(recover_status, 0444, recover_status_show, NULL);
+static struct gfs2_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
+
+GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
+GDLM_ATTR(block, 0644, block_show, block_store);
+GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
+GDLM_ATTR(id, 0444, lkid_show, NULL);
+GDLM_ATTR(jid, 0444, jid_show, NULL);
+GDLM_ATTR(first, 0444, lkfirst_show, NULL);
+GDLM_ATTR(first_done, 0444, first_done_show, NULL);
+GDLM_ATTR(recover, 0200, NULL, recover_store);
+GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
+GDLM_ATTR(recover_status, 0444, recover_status_show, NULL);
static struct attribute *lock_module_attrs[] = {
&gdlm_attr_proto_name.attr,
&gdlm_attr_block.attr,
&gdlm_attr_withdraw.attr,
&gdlm_attr_id.attr,
- &lockstruct_attr_jid.attr,
+ &gdlm_attr_jid.attr,
&gdlm_attr_first.attr,
&gdlm_attr_first_done.attr,
&gdlm_attr_recover.attr,
@@ -435,53 +412,6 @@ static struct attribute *lock_module_attrs[] = {
};
/*
- * display struct gfs2_args fields
- */
-
-struct args_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *, char *);
-};
-
-#define ARGS_ATTR(name, fmt) \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
-{ \
- return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \
-} \
-static struct args_attr args_attr_##name = __ATTR_RO(name)
-
-ARGS_ATTR(lockproto, "%s\n");
-ARGS_ATTR(locktable, "%s\n");
-ARGS_ATTR(hostdata, "%s\n");
-ARGS_ATTR(spectator, "%d\n");
-ARGS_ATTR(ignore_local_fs, "%d\n");
-ARGS_ATTR(localcaching, "%d\n");
-ARGS_ATTR(localflocks, "%d\n");
-ARGS_ATTR(debug, "%d\n");
-ARGS_ATTR(upgrade, "%d\n");
-ARGS_ATTR(posix_acl, "%d\n");
-ARGS_ATTR(quota, "%u\n");
-ARGS_ATTR(suiddir, "%d\n");
-ARGS_ATTR(data, "%d\n");
-
-static struct attribute *args_attrs[] = {
- &args_attr_lockproto.attr,
- &args_attr_locktable.attr,
- &args_attr_hostdata.attr,
- &args_attr_spectator.attr,
- &args_attr_ignore_local_fs.attr,
- &args_attr_localcaching.attr,
- &args_attr_localflocks.attr,
- &args_attr_debug.attr,
- &args_attr_upgrade.attr,
- &args_attr_posix_acl.attr,
- &args_attr_quota.attr,
- &args_attr_suiddir.attr,
- &args_attr_data.attr,
- NULL,
-};
-
-/*
* get and set struct gfs2_tune fields
*/
@@ -531,14 +461,8 @@ static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field,
return len;
}
-struct tune_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *, char *);
- ssize_t (*store)(struct gfs2_sbd *, const char *, size_t);
-};
-
#define TUNE_ATTR_3(name, show, store) \
-static struct tune_attr tune_attr_##name = __ATTR(name, 0644, show, store)
+static struct gfs2_attr tune_attr_##name = __ATTR(name, 0644, show, store)
#define TUNE_ATTR_2(name, store) \
static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
@@ -554,15 +478,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\
} \
TUNE_ATTR_2(name, name##_store)
-#define TUNE_ATTR_DAEMON(name, process) \
-static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\
-{ \
- ssize_t r = tune_set(sdp, &sdp->sd_tune.gt_##name, 1, buf, len); \
- wake_up_process(sdp->sd_##process); \
- return r; \
-} \
-TUNE_ATTR_2(name, name##_store)
-
TUNE_ATTR(incore_log_blocks, 0);
TUNE_ATTR(log_flush_secs, 0);
TUNE_ATTR(quota_warn_period, 0);
@@ -574,8 +489,6 @@ TUNE_ATTR(new_files_jdata, 0);
TUNE_ATTR(quota_simul_sync, 1);
TUNE_ATTR(stall_secs, 1);
TUNE_ATTR(statfs_quantum, 1);
-TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process);
-TUNE_ATTR_DAEMON(logd_secs, logd_process);
TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
static struct attribute *tune_attrs[] = {
@@ -589,23 +502,11 @@ static struct attribute *tune_attrs[] = {
&tune_attr_quota_simul_sync.attr,
&tune_attr_stall_secs.attr,
&tune_attr_statfs_quantum.attr,
- &tune_attr_recoverd_secs.attr,
- &tune_attr_logd_secs.attr,
&tune_attr_quota_scale.attr,
&tune_attr_new_files_jdata.attr,
NULL,
};
-static struct attribute_group lockstruct_group = {
- .name = "lockstruct",
- .attrs = lockstruct_attrs,
-};
-
-static struct attribute_group args_group = {
- .name = "args",
- .attrs = args_attrs,
-};
-
static struct attribute_group tune_group = {
.name = "tune",
.attrs = tune_attrs,
@@ -626,17 +527,9 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
if (error)
goto fail;
- error = sysfs_create_group(&sdp->sd_kobj, &lockstruct_group);
- if (error)
- goto fail_reg;
-
- error = sysfs_create_group(&sdp->sd_kobj, &args_group);
- if (error)
- goto fail_lockstruct;
-
error = sysfs_create_group(&sdp->sd_kobj, &tune_group);
if (error)
- goto fail_args;
+ goto fail_reg;
error = sysfs_create_group(&sdp->sd_kobj, &lock_module_group);
if (error)
@@ -647,10 +540,6 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
fail_tune:
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
-fail_args:
- sysfs_remove_group(&sdp->sd_kobj, &args_group);
-fail_lockstruct:
- sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
fail_reg:
kobject_put(&sdp->sd_kobj);
fail:
@@ -661,8 +550,6 @@ fail:
void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
{
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
- sysfs_remove_group(&sdp->sd_kobj, &args_group);
- sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);
kobject_put(&sdp->sd_kobj);
}