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Diffstat (limited to 'fs/gfs2/sys.c')
-rw-r--r--fs/gfs2/sys.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index a7cbfbd340c..446329728d5 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -16,6 +16,7 @@
#include <linux/kobject.h>
#include <asm/uaccess.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/genhd.h>
#include "gfs2.h"
#include "incore.h"
@@ -319,12 +320,6 @@ static ssize_t block_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
return ret;
}
-static ssize_t lkid_show(struct gfs2_sbd *sdp, char *buf)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- return sprintf(buf, "%u\n", ls->ls_id);
-}
-
static ssize_t lkfirst_show(struct gfs2_sbd *sdp, char *buf)
{
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
@@ -389,7 +384,6 @@ 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);
@@ -401,7 +395,6 @@ static struct attribute *lock_module_attrs[] = {
&gdlm_attr_proto_name.attr,
&gdlm_attr_block.attr,
&gdlm_attr_withdraw.attr,
- &gdlm_attr_id.attr,
&gdlm_attr_jid.attr,
&gdlm_attr_first.attr,
&gdlm_attr_first_done.attr,
@@ -519,7 +512,14 @@ static struct attribute_group lock_module_group = {
int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
{
+ struct super_block *sb = sdp->sd_vfs;
int error;
+ char ro[20];
+ char spectator[20];
+ char *envp[] = { ro, spectator, NULL };
+
+ sprintf(ro, "RDONLY=%d", (sb->s_flags & MS_RDONLY) ? 1 : 0);
+ sprintf(spectator, "SPECTATOR=%d", sdp->sd_args.ar_spectator ? 1 : 0);
sdp->sd_kobj.kset = gfs2_kset;
error = kobject_init_and_add(&sdp->sd_kobj, &gfs2_ktype, NULL,
@@ -535,9 +535,17 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
if (error)
goto fail_tune;
- kobject_uevent(&sdp->sd_kobj, KOBJ_ADD);
+ error = sysfs_create_link(&sdp->sd_kobj,
+ &disk_to_dev(sb->s_bdev->bd_disk)->kobj,
+ "device");
+ if (error)
+ goto fail_lock_module;
+
+ kobject_uevent_env(&sdp->sd_kobj, KOBJ_ADD, envp);
return 0;
+fail_lock_module:
+ sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);
fail_tune:
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
fail_reg:
@@ -549,12 +557,12 @@ fail:
void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
{
+ sysfs_remove_link(&sdp->sd_kobj, "device");
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);
kobject_put(&sdp->sd_kobj);
}
-
static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
struct kobj_uevent_env *env)
{
@@ -563,6 +571,8 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
+ if (!sdp->sd_args.ar_spectator)
+ add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
if (gfs2_uuid_valid(uuid)) {
add_uevent_var(env, "UUID=%02X%02X%02X%02X-%02X%02X-%02X%02X-"
"%02X%02X-%02X%02X%02X%02X%02X%02X",
@@ -578,7 +588,6 @@ static struct kset_uevent_ops gfs2_uevent_ops = {
.uevent = gfs2_uevent,
};
-
int gfs2_sys_init(void)
{
gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj);