1 files changed, 20 insertions, 31 deletions

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 83723179e1ec..26675185b886 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -191,6 +191,7 @@ enum {
         Opt_coherency_full,
         Opt_resv_level,
         Opt_dir_resv_level,
+        Opt_journal_async_commit,
         Opt_err,
 };
 
@@ -222,6 +223,7 @@ static const match_table_t tokens = {
         {Opt_coherency_full, "coherency=full"},
         {Opt_resv_level, "resv_level=%u"},
         {Opt_dir_resv_level, "dir_resv_level=%u"},
+        {Opt_journal_async_commit, "journal_async_commit"},
         {Opt_err, NULL}
 };
 
@@ -1000,36 +1002,6 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
         }
 }
 
-/* Handle quota on quotactl */
-static int ocfs2_quota_on(struct super_block *sb, int type, int format_id)
-{
-        unsigned int feature[OCFS2_MAXQUOTAS] = {
-                                        OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
-                                        OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
-
-        if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
-                return -EINVAL;
-
-        return dquot_enable(sb_dqopt(sb)->files[type], type,
-                            format_id, DQUOT_LIMITS_ENABLED);
-}
-
-/* Handle quota off quotactl */
-static int ocfs2_quota_off(struct super_block *sb, int type)
-{
-        return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED);
-}
-
-static const struct quotactl_ops ocfs2_quotactl_ops = {
-        .quota_on_meta  = ocfs2_quota_on,
-        .quota_off      = ocfs2_quota_off,
-        .quota_sync     = dquot_quota_sync,
-        .get_info       = dquot_get_dqinfo,
-        .set_info       = dquot_set_dqinfo,
-        .get_dqblk      = dquot_get_dqblk,
-        .set_dqblk      = dquot_set_dqblk,
-};
-
 static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 {
         struct dentry *root;
@@ -1500,6 +1472,9 @@ static int ocfs2_parse_options(struct super_block *sb,
                             option < OCFS2_MAX_RESV_LEVEL)
                                 mopt->dir_resv_level = option;
                         break;
+                case Opt_journal_async_commit:
+                        mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
+                        break;
                 default:
                         mlog(ML_ERROR,
                              "Unrecognized mount option \"%s\" "
@@ -1606,6 +1581,9 @@ static int ocfs2_show_options(struct seq_file *s, struct dentry *root)
         if (osb->osb_dir_resv_level != osb->osb_resv_level)
                 seq_printf(s, ",dir_resv_level=%d", osb->osb_resv_level);
 
+        if (opts & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
+                seq_printf(s, ",journal_async_commit");
+
         return 0;
 }
 
@@ -1768,6 +1746,8 @@ static void ocfs2_inode_init_once(void *data)
         ocfs2_lock_res_init_once(&oi->ip_inode_lockres);
         ocfs2_lock_res_init_once(&oi->ip_open_lockres);
 
+        init_waitqueue_head(&oi->append_dio_wq);
+
         ocfs2_metadata_cache_init(INODE_CACHE(&oi->vfs_inode),
                                   &ocfs2_inode_caching_ops);
 
@@ -2079,7 +2059,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
         sb->s_op = &ocfs2_sops;
         sb->s_d_op = &ocfs2_dentry_ops;
         sb->s_export_op = &ocfs2_export_ops;
-        sb->s_qcop = &ocfs2_quotactl_ops;
+        sb->s_qcop = &dquot_quotactl_sysfile_ops;
         sb->dq_op = &ocfs2_quota_operations;
         sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
         sb->s_xattr = ocfs2_xattr_handlers;
@@ -2475,6 +2455,15 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
                 goto finally;
         }
 
+        if (osb->s_mount_opt & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
+                jbd2_journal_set_features(osb->journal->j_journal,
+                                JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+                                JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+        else
+                jbd2_journal_clear_features(osb->journal->j_journal,
+                                JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+                                JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+
         if (dirty) {
                 /* recover my local alloc if we didn't unmount cleanly. */
                 status = ocfs2_begin_local_alloc_recovery(osb,