diff options
Diffstat (limited to 'fs/gfs2/sys.c')
| -rw-r--r-- | fs/gfs2/sys.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 894bf773ec93..9f6d48b75fd2 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -356,34 +356,33 @@ 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) @@ -401,15 +400,15 @@ static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf) #define GDLM_ATTR(_name,_mode,_show,_store) \ 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(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); +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, 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, |