Opt_commit,
Opt_err_withdraw,
Opt_err_panic,
+ Opt_statfs_quantum,
+ Opt_statfs_percent,
+ Opt_quota_quantum,
+ Opt_barrier,
+ Opt_nobarrier,
Opt_error,
};
{Opt_commit, "commit=%d"},
{Opt_err_withdraw, "errors=withdraw"},
{Opt_err_panic, "errors=panic"},
+ {Opt_statfs_quantum, "statfs_quantum=%d"},
+ {Opt_statfs_percent, "statfs_percent=%d"},
+ {Opt_quota_quantum, "quota_quantum=%d"},
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
{Opt_error, NULL}
};
return rv ? rv : -EINVAL;
}
break;
+ case Opt_statfs_quantum:
+ rv = match_int(&tmp[0], &args->ar_statfs_quantum);
+ if (rv || args->ar_statfs_quantum < 0) {
+ printk(KERN_WARNING "GFS2: statfs_quantum mount option requires a non-negative numeric argument\n");
+ return rv ? rv : -EINVAL;
+ }
+ break;
+ case Opt_quota_quantum:
+ rv = match_int(&tmp[0], &args->ar_quota_quantum);
+ if (rv || args->ar_quota_quantum <= 0) {
+ printk(KERN_WARNING "GFS2: quota_quantum mount option requires a positive numeric argument\n");
+ return rv ? rv : -EINVAL;
+ }
+ break;
+ case Opt_statfs_percent:
+ rv = match_int(&tmp[0], &args->ar_statfs_percent);
+ if (rv || args->ar_statfs_percent < 0 ||
+ args->ar_statfs_percent > 100) {
+ printk(KERN_WARNING "statfs_percent mount option requires a numeric argument between 0 and 100\n");
+ return rv ? rv : -EINVAL;
+ }
+ break;
case Opt_err_withdraw:
args->ar_errors = GFS2_ERRORS_WITHDRAW;
break;
}
args->ar_errors = GFS2_ERRORS_PANIC;
break;
+ case Opt_barrier:
+ args->ar_nobarrier = 0;
+ break;
+ case Opt_nobarrier:
+ args->ar_nobarrier = 1;
+ break;
case Opt_error:
default:
printk(KERN_WARNING "GFS2: invalid mount option: %s\n", o);
{
struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+ struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
struct buffer_head *l_bh;
+ s64 x, y;
+ int need_sync = 0;
int error;
error = gfs2_meta_inode_buffer(l_ip, &l_bh);
l_sc->sc_free += free;
l_sc->sc_dinodes += dinodes;
gfs2_statfs_change_out(l_sc, l_bh->b_data + sizeof(struct gfs2_dinode));
+ if (sdp->sd_args.ar_statfs_percent) {
+ x = 100 * l_sc->sc_free;
+ y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;
+ if (x >= y || x <= -y)
+ need_sync = 1;
+ }
spin_unlock(&sdp->sd_statfs_spin);
brelse(l_bh);
+ if (need_sync)
+ gfs2_wake_up_statfs(sdp);
}
void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
gfs2_statfs_change_out(m_sc, m_bh->b_data + sizeof(struct gfs2_dinode));
}
-int gfs2_statfs_sync(struct gfs2_sbd *sdp)
+int gfs2_statfs_sync(struct super_block *sb, int type)
{
+ struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
goto out_bh2;
update_statfs(sdp, m_bh, l_bh);
+ sdp->sd_statfs_force_sync = 0;
gfs2_trans_end(sdp);
int error;
flush_workqueue(gfs2_delete_workqueue);
- gfs2_quota_sync(sdp);
- gfs2_statfs_sync(sdp);
+ gfs2_quota_sync(sdp->sd_vfs, 0);
+ gfs2_statfs_sync(sdp->sd_vfs, 0);
error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, GL_NOCACHE,
&t_gh);
spin_lock(>->gt_spin);
args.ar_commit = gt->gt_log_flush_secs;
+ args.ar_quota_quantum = gt->gt_quota_quantum;
+ if (gt->gt_statfs_slow)
+ args.ar_statfs_quantum = 0;
+ else
+ args.ar_statfs_quantum = gt->gt_statfs_quantum;
spin_unlock(>->gt_spin);
error = gfs2_mount_args(&args, data);
if (error)
sb->s_flags |= MS_POSIXACL;
else
sb->s_flags &= ~MS_POSIXACL;
+ if (sdp->sd_args.ar_nobarrier)
+ set_bit(SDF_NOBARRIERS, &sdp->sd_flags);
+ else
+ clear_bit(SDF_NOBARRIERS, &sdp->sd_flags);
spin_lock(>->gt_spin);
gt->gt_log_flush_secs = args.ar_commit;
+ gt->gt_quota_quantum = args.ar_quota_quantum;
+ if (args.ar_statfs_quantum) {
+ gt->gt_statfs_slow = 0;
+ gt->gt_statfs_quantum = args.ar_statfs_quantum;
+ }
+ else {
+ gt->gt_statfs_slow = 1;
+ gt->gt_statfs_quantum = 30;
+ }
spin_unlock(>->gt_spin);
gfs2_online_uevent(sdp);
{
struct gfs2_sbd *sdp = mnt->mnt_sb->s_fs_info;
struct gfs2_args *args = &sdp->sd_args;
- int lfsecs;
+ int val;
if (is_ancestor(mnt->mnt_root, sdp->sd_master_dir))
seq_printf(s, ",meta");
}
if (args->ar_discard)
seq_printf(s, ",discard");
- lfsecs = sdp->sd_tune.gt_log_flush_secs;
- if (lfsecs != 60)
- seq_printf(s, ",commit=%d", lfsecs);
+ val = sdp->sd_tune.gt_log_flush_secs;
+ if (val != 60)
+ seq_printf(s, ",commit=%d", val);
+ val = sdp->sd_tune.gt_statfs_quantum;
+ if (val != 30)
+ seq_printf(s, ",statfs_quantum=%d", val);
+ val = sdp->sd_tune.gt_quota_quantum;
+ if (val != 60)
+ seq_printf(s, ",quota_quantum=%d", val);
+ if (args->ar_statfs_percent)
+ seq_printf(s, ",statfs_percent=%d", args->ar_statfs_percent);
if (args->ar_errors != GFS2_ERRORS_DEFAULT) {
const char *state;
}
seq_printf(s, ",errors=%s", state);
}
+ if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))
+ seq_printf(s, ",nobarrier");
+
return 0;
}