diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-11 23:31:52 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-11 23:31:52 +0200 |
commit | 0d5959723e1db3fd7323c198a50c16cecf96c7a9 (patch) | |
tree | 802b623fff261ebcbbddadf84af5524398364a18 /fs/gfs2/sys.c | |
parent | 62fdac5913f71f8f200bd2c9bd59a02e9a1498e9 (diff) | |
parent | 512626a04e72aca60effe111fa0333ed0b195d21 (diff) |
Merge branch 'linus' into x86/mce3
Conflicts:
arch/x86/kernel/cpu/mcheck/mce_64.c
arch/x86/kernel/irq.c
Merge reason: Resolve the conflicts above.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/gfs2/sys.c')
-rw-r--r-- | fs/gfs2/sys.c | 245 |
1 files changed, 66 insertions, 179 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 7655f5025fe..23419dc3027 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -26,6 +26,36 @@ #include "util.h" #include "glops.h" +struct gfs2_attr { + struct attribute attr; + ssize_t (*show)(struct gfs2_sbd *, char *); + ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); +}; + +static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr, + char *buf) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); + return a->show ? a->show(sdp, buf) : 0; +} + +static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t len) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); + return a->store ? a->store(sdp, buf, len) : len; +} + +static struct sysfs_ops gfs2_attr_ops = { + .show = gfs2_attr_show, + .store = gfs2_attr_store, +}; + + +static struct kset *gfs2_kset; + static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { return snprintf(buf, PAGE_SIZE, "%u:%u\n", @@ -212,11 +242,6 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len return len; } -struct gfs2_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); - ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); -}; #define GFS2_ATTR(name, mode, show, store) \ static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store) @@ -246,58 +271,11 @@ static struct attribute *gfs2_attrs[] = { NULL, }; -static ssize_t gfs2_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); - struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); - return a->show ? a->show(sdp, buf) : 0; -} - -static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t len) -{ - struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); - struct gfs2_attr *a = container_of(attr, struct gfs2_attr, attr); - return a->store ? a->store(sdp, buf, len) : len; -} - -static struct sysfs_ops gfs2_attr_ops = { - .show = gfs2_attr_show, - .store = gfs2_attr_store, -}; - static struct kobj_type gfs2_ktype = { .default_attrs = gfs2_attrs, .sysfs_ops = &gfs2_attr_ops, }; -static struct kset *gfs2_kset; - -/* - * display struct lm_lockstruct fields - */ - -struct lockstruct_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - -#define LOCKSTRUCT_ATTR(name, fmt) \ -static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ -{ \ - return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \ -} \ -static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name) - -LOCKSTRUCT_ATTR(jid, "%u\n"); -LOCKSTRUCT_ATTR(first, "%u\n"); - -static struct attribute *lockstruct_attrs[] = { - &lockstruct_attr_jid.attr, - &lockstruct_attr_first.attr, - NULL, -}; /* * lock_module. Originally from lock_dlm @@ -359,34 +337,33 @@ 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) @@ -401,31 +378,31 @@ static ssize_t recover_status_show(struct gfs2_sbd *sdp, char *buf) return sprintf(buf, "%d\n", ls->ls_recover_jid_status); } -struct gdlm_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *sdp, char *); - ssize_t (*store)(struct gfs2_sbd *sdp, const char *, size_t); -}; +static ssize_t jid_show(struct gfs2_sbd *sdp, char *buf) +{ + return sprintf(buf, "%u\n", sdp->sd_lockstruct.ls_jid); +} #define GDLM_ATTR(_name,_mode,_show,_store) \ -static struct gdlm_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); +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); +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, &gdlm_attr_block.attr, &gdlm_attr_withdraw.attr, &gdlm_attr_id.attr, - &lockstruct_attr_jid.attr, + &gdlm_attr_jid.attr, &gdlm_attr_first.attr, &gdlm_attr_first_done.attr, &gdlm_attr_recover.attr, @@ -435,53 +412,6 @@ static struct attribute *lock_module_attrs[] = { }; /* - * display struct gfs2_args fields - */ - -struct args_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - -#define ARGS_ATTR(name, fmt) \ -static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ -{ \ - return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \ -} \ -static struct args_attr args_attr_##name = __ATTR_RO(name) - -ARGS_ATTR(lockproto, "%s\n"); -ARGS_ATTR(locktable, "%s\n"); -ARGS_ATTR(hostdata, "%s\n"); -ARGS_ATTR(spectator, "%d\n"); -ARGS_ATTR(ignore_local_fs, "%d\n"); -ARGS_ATTR(localcaching, "%d\n"); -ARGS_ATTR(localflocks, "%d\n"); -ARGS_ATTR(debug, "%d\n"); -ARGS_ATTR(upgrade, "%d\n"); -ARGS_ATTR(posix_acl, "%d\n"); -ARGS_ATTR(quota, "%u\n"); -ARGS_ATTR(suiddir, "%d\n"); -ARGS_ATTR(data, "%d\n"); - -static struct attribute *args_attrs[] = { - &args_attr_lockproto.attr, - &args_attr_locktable.attr, - &args_attr_hostdata.attr, - &args_attr_spectator.attr, - &args_attr_ignore_local_fs.attr, - &args_attr_localcaching.attr, - &args_attr_localflocks.attr, - &args_attr_debug.attr, - &args_attr_upgrade.attr, - &args_attr_posix_acl.attr, - &args_attr_quota.attr, - &args_attr_suiddir.attr, - &args_attr_data.attr, - NULL, -}; - -/* * get and set struct gfs2_tune fields */ @@ -531,14 +461,8 @@ static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field, return len; } -struct tune_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); - ssize_t (*store)(struct gfs2_sbd *, const char *, size_t); -}; - #define TUNE_ATTR_3(name, show, store) \ -static struct tune_attr tune_attr_##name = __ATTR(name, 0644, show, store) +static struct gfs2_attr tune_attr_##name = __ATTR(name, 0644, show, store) #define TUNE_ATTR_2(name, store) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ @@ -554,15 +478,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ } \ TUNE_ATTR_2(name, name##_store) -#define TUNE_ATTR_DAEMON(name, process) \ -static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ -{ \ - ssize_t r = tune_set(sdp, &sdp->sd_tune.gt_##name, 1, buf, len); \ - wake_up_process(sdp->sd_##process); \ - return r; \ -} \ -TUNE_ATTR_2(name, name##_store) - TUNE_ATTR(incore_log_blocks, 0); TUNE_ATTR(log_flush_secs, 0); TUNE_ATTR(quota_warn_period, 0); @@ -574,8 +489,6 @@ TUNE_ATTR(new_files_jdata, 0); TUNE_ATTR(quota_simul_sync, 1); TUNE_ATTR(stall_secs, 1); TUNE_ATTR(statfs_quantum, 1); -TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process); -TUNE_ATTR_DAEMON(logd_secs, logd_process); TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); static struct attribute *tune_attrs[] = { @@ -589,23 +502,11 @@ static struct attribute *tune_attrs[] = { &tune_attr_quota_simul_sync.attr, &tune_attr_stall_secs.attr, &tune_attr_statfs_quantum.attr, - &tune_attr_recoverd_secs.attr, - &tune_attr_logd_secs.attr, &tune_attr_quota_scale.attr, &tune_attr_new_files_jdata.attr, NULL, }; -static struct attribute_group lockstruct_group = { - .name = "lockstruct", - .attrs = lockstruct_attrs, -}; - -static struct attribute_group args_group = { - .name = "args", - .attrs = args_attrs, -}; - static struct attribute_group tune_group = { .name = "tune", .attrs = tune_attrs, @@ -626,17 +527,9 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) if (error) goto fail; - error = sysfs_create_group(&sdp->sd_kobj, &lockstruct_group); - if (error) - goto fail_reg; - - error = sysfs_create_group(&sdp->sd_kobj, &args_group); - if (error) - goto fail_lockstruct; - error = sysfs_create_group(&sdp->sd_kobj, &tune_group); if (error) - goto fail_args; + goto fail_reg; error = sysfs_create_group(&sdp->sd_kobj, &lock_module_group); if (error) @@ -647,10 +540,6 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) fail_tune: sysfs_remove_group(&sdp->sd_kobj, &tune_group); -fail_args: - sysfs_remove_group(&sdp->sd_kobj, &args_group); -fail_lockstruct: - sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); fail_reg: kobject_put(&sdp->sd_kobj); fail: @@ -661,8 +550,6 @@ fail: void gfs2_sys_fs_del(struct gfs2_sbd *sdp) { sysfs_remove_group(&sdp->sd_kobj, &tune_group); - sysfs_remove_group(&sdp->sd_kobj, &args_group); - sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); sysfs_remove_group(&sdp->sd_kobj, &lock_module_group); kobject_put(&sdp->sd_kobj); } |