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-rw-r--r--fs/gfs2/glock.c15
-rw-r--r--fs/gfs2/incore.h1
-rw-r--r--fs/gfs2/trace_gfs2.h3
3 files changed, 14 insertions, 5 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 9adf8f924e0..8e478e27f1f 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -441,6 +441,8 @@ static void state_change(struct gfs2_glock *gl, unsigned int new_state)
else
gfs2_glock_put_nolock(gl);
}
+ if (held1 && held2 && list_empty(&gl->gl_holders))
+ clear_bit(GLF_QUEUED, &gl->gl_flags);
gl->gl_state = new_state;
gl->gl_tchange = jiffies;
@@ -1012,6 +1014,7 @@ fail:
if (unlikely((gh->gh_flags & LM_FLAG_PRIORITY) && !insert_pt))
insert_pt = &gh2->gh_list;
}
+ set_bit(GLF_QUEUED, &gl->gl_flags);
if (likely(insert_pt == NULL)) {
list_add_tail(&gh->gh_list, &gl->gl_holders);
if (unlikely(gh->gh_flags & LM_FLAG_PRIORITY))
@@ -1310,10 +1313,12 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state)
gfs2_glock_hold(gl);
holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time;
- if (time_before(now, holdtime))
- delay = holdtime - now;
- if (test_bit(GLF_REPLY_PENDING, &gl->gl_flags))
- delay = gl->gl_ops->go_min_hold_time;
+ if (test_bit(GLF_QUEUED, &gl->gl_flags)) {
+ if (time_before(now, holdtime))
+ delay = holdtime - now;
+ if (test_bit(GLF_REPLY_PENDING, &gl->gl_flags))
+ delay = gl->gl_ops->go_min_hold_time;
+ }
spin_lock(&gl->gl_spin);
handle_callback(gl, state, delay);
@@ -1660,6 +1665,8 @@ static const char *gflags2str(char *buf, const unsigned long *gflags)
*p++ = 'I';
if (test_bit(GLF_FROZEN, gflags))
*p++ = 'F';
+ if (test_bit(GLF_QUEUED, gflags))
+ *p++ = 'q';
*p = 0;
return buf;
}
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 578234bb03f..b12ca10481e 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -196,6 +196,7 @@ enum {
GLF_REPLY_PENDING = 9,
GLF_INITIAL = 10,
GLF_FROZEN = 11,
+ GLF_QUEUED = 12,
};
struct gfs2_glock {
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
index 148d55c1417..cedb0bb96d9 100644
--- a/fs/gfs2/trace_gfs2.h
+++ b/fs/gfs2/trace_gfs2.h
@@ -39,7 +39,8 @@
{(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \
{(1UL << GLF_REPLY_PENDING), "r" }, \
{(1UL << GLF_INITIAL), "I" }, \
- {(1UL << GLF_FROZEN), "F" })
+ {(1UL << GLF_FROZEN), "F" }, \
+ {(1UL << GLF_QUEUED), "q" })
#ifndef NUMPTY
#define NUMPTY