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path: root/fs/gfs2/sys.c
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Diffstat (limited to 'fs/gfs2/sys.c')
-rw-r--r--fs/gfs2/sys.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index ccacffd2faaa..748ccb557c18 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -230,7 +230,10 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
if (gltype > LM_TYPE_JOURNAL)
return -EINVAL;
- glops = gfs2_glops_list[gltype];
+ if (gltype == LM_TYPE_NONDISK && glnum == GFS2_TRANS_LOCK)
+ glops = &gfs2_trans_glops;
+ else
+ glops = gfs2_glops_list[gltype];
if (glops == NULL)
return -EINVAL;
if (!test_and_set_bit(SDF_DEMOTE, &sdp->sd_flags))
@@ -399,31 +402,32 @@ static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf)
static ssize_t jid_show(struct gfs2_sbd *sdp, char *buf)
{
- return sprintf(buf, "%u\n", sdp->sd_lockstruct.ls_jid);
+ return sprintf(buf, "%d\n", sdp->sd_lockstruct.ls_jid);
}
static ssize_t jid_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
{
- unsigned jid;
+ int jid;
int rv;
- rv = sscanf(buf, "%u", &jid);
+ rv = sscanf(buf, "%d", &jid);
if (rv != 1)
return -EINVAL;
spin_lock(&sdp->sd_jindex_spin);
rv = -EINVAL;
- if (sdp->sd_args.ar_spectator)
- goto out;
if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
goto out;
rv = -EBUSY;
- if (test_and_clear_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
+ if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
goto out;
+ rv = 0;
+ if (sdp->sd_args.ar_spectator && jid > 0)
+ rv = jid = -EINVAL;
sdp->sd_lockstruct.ls_jid = jid;
+ clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
smp_mb__after_clear_bit();
wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
- rv = 0;
out:
spin_unlock(&sdp->sd_jindex_spin);
return rv ? rv : len;
@@ -617,7 +621,7 @@ 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 (!test_bit(SDF_NOJOURNALID, &sdp->sd_flags))
- add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
+ add_uevent_var(env, "JOURNALID=%d", sdp->sd_lockstruct.ls_jid);
if (gfs2_uuid_valid(uuid))
add_uevent_var(env, "UUID=%pUB", uuid);
return 0;