diff options
Diffstat (limited to 'fs/gfs2/glock.c')
| -rw-r--r-- | fs/gfs2/glock.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 6f7a47c0525..ca0be6c69a2 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1552,13 +1552,11 @@ void gfs2_glock_thaw(struct gfs2_sbd *sdp) glock_hash_walk(thaw_glock, sdp); } -static int dump_glock(struct seq_file *seq, struct gfs2_glock *gl) +static void dump_glock(struct seq_file *seq, struct gfs2_glock *gl) { - int ret; spin_lock(&gl->gl_spin); - ret = gfs2_dump_glock(seq, gl); + gfs2_dump_glock(seq, gl); spin_unlock(&gl->gl_spin); - return ret; } static void dump_glock_func(struct gfs2_glock *gl) @@ -1647,10 +1645,9 @@ static const char *hflags2str(char *buf, unsigned flags, unsigned long iflags) * @seq: the seq_file struct * @gh: the glock holder * - * Returns: 0 on success, -ENOBUFS when we run out of space */ -static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) +static void dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) { struct task_struct *gh_owner = NULL; char flags_buf[32]; @@ -1666,7 +1663,6 @@ static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) gh_owner ? gh_owner->comm : "(ended)", (void *)gh->gh_ip); rcu_read_unlock(); - return 0; } static const char *gflags2str(char *buf, const struct gfs2_glock *gl) @@ -1721,16 +1717,14 @@ static const char *gflags2str(char *buf, const struct gfs2_glock *gl) * example. The field's are n = number (id of the object), f = flags, * t = type, s = state, r = refcount, e = error, p = pid. * - * Returns: 0 on success, -ENOBUFS when we run out of space */ -int gfs2_dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) +void gfs2_dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) { const struct gfs2_glock_operations *glops = gl->gl_ops; unsigned long long dtime; const struct gfs2_holder *gh; char gflags_buf[32]; - int error = 0; dtime = jiffies - gl->gl_demote_time; dtime *= 1000000/HZ; /* demote time in uSec */ @@ -1747,15 +1741,11 @@ int gfs2_dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) atomic_read(&gl->gl_revokes), (int)gl->gl_lockref.count, gl->gl_hold_time); - list_for_each_entry(gh, &gl->gl_holders, gh_list) { - error = dump_holder(seq, gh); - if (error) - goto out; - } + list_for_each_entry(gh, &gl->gl_holders, gh_list) + dump_holder(seq, gh); + if (gl->gl_state != LM_ST_UNLOCKED && glops->go_dump) - error = glops->go_dump(seq, gl); -out: - return error; + glops->go_dump(seq, gl); } static int gfs2_glstats_seq_show(struct seq_file *seq, void *iter_ptr) @@ -1953,7 +1943,8 @@ static void gfs2_glock_seq_stop(struct seq_file *seq, void *iter_ptr) static int gfs2_glock_seq_show(struct seq_file *seq, void *iter_ptr) { - return dump_glock(seq, iter_ptr); + dump_glock(seq, iter_ptr); + return 0; } static void *gfs2_sbstats_seq_start(struct seq_file *seq, loff_t *pos) |