6 files changed, 15 insertions, 14 deletions

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index ca991d776592..48171f4c943d 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -339,7 +339,7 @@ out:
         return error;
 }
 
-struct xattr_handler gfs2_xattr_system_handler = {
+const struct xattr_handler gfs2_xattr_system_handler = {
         .prefix = XATTR_SYSTEM_PREFIX,
         .flags  = GFS2_EATYPE_SYS,
         .get    = gfs2_xattr_system_get,
diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h
index 9306a2e6620c..b522b0cb39ea 100644
--- a/fs/gfs2/acl.h
+++ b/fs/gfs2/acl.h
@@ -19,6 +19,6 @@
 extern int gfs2_check_acl(struct inode *inode, int mask);
 extern int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode);
 extern int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr);
-extern struct xattr_handler gfs2_xattr_system_handler;
+extern const struct xattr_handler gfs2_xattr_system_handler;
 
 #endif /* __ACL_DOT_H__ */
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index d5f4661287f9..49667d68769e 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1476,8 +1476,8 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
         return 0;
 }
 
-static int gfs2_xquota_get(struct super_block *sb, int type, qid_t id,
-                           struct fs_disk_quota *fdq)
+static int gfs2_get_dqblk(struct super_block *sb, int type, qid_t id,
+                          struct fs_disk_quota *fdq)
 {
         struct gfs2_sbd *sdp = sb->s_fs_info;
         struct gfs2_quota_lvb *qlvb;
@@ -1521,8 +1521,8 @@ out:
 /* GFS2 only supports a subset of the XFS fields */
 #define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD)
 
-static int gfs2_xquota_set(struct super_block *sb, int type, qid_t id,
-                           struct fs_disk_quota *fdq)
+static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
+                          struct fs_disk_quota *fdq)
 {
         struct gfs2_sbd *sdp = sb->s_fs_info;
         struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
@@ -1629,7 +1629,7 @@ out_put:
 const struct quotactl_ops gfs2_quotactl_ops = {
         .quota_sync     = gfs2_quota_sync,
         .get_xstate     = gfs2_quota_get_xstate,
-        .get_xquota     = gfs2_xquota_get,
-        .set_xquota     = gfs2_xquota_set,
+        .get_dqblk      = gfs2_get_dqblk,
+        .set_dqblk      = gfs2_set_dqblk,
 };
 
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 6daf4c65a3c8..171a744f8e45 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -854,7 +854,8 @@ static void gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
                                 if ((start + nr_sects) != blk) {
                                         rv = blkdev_issue_discard(bdev, start,
                                                             nr_sects, GFP_NOFS,
-                                                            DISCARD_FL_BARRIER);
+                                                            BLKDEV_IFL_WAIT |
+                                                            BLKDEV_IFL_BARRIER);
                                         if (rv)
                                                 goto fail;
                                         nr_sects = 0;
@@ -869,7 +870,7 @@ start_new_extent:
         }
         if (nr_sects) {
                 rv = blkdev_issue_discard(bdev, start, nr_sects, GFP_NOFS,
-                                         DISCARD_FL_BARRIER);
+                                         BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
                 if (rv)
                         goto fail;
         }
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 3df60f2d84e3..a0464680af0b 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -54,7 +54,7 @@ extern struct file_system_type gfs2meta_fs_type;
 extern const struct export_operations gfs2_export_ops;
 extern const struct super_operations gfs2_super_ops;
 extern const struct dentry_operations gfs2_dops;
-extern struct xattr_handler *gfs2_xattr_handlers[];
+extern const struct xattr_handler *gfs2_xattr_handlers[];
 
 #endif /* __SUPER_DOT_H__ */
 
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index c2ebdf2c01d4..82f93da00d1b 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -1535,21 +1535,21 @@ out_alloc:
         return error;
 }
 
-static struct xattr_handler gfs2_xattr_user_handler = {
+static const struct xattr_handler gfs2_xattr_user_handler = {
         .prefix = XATTR_USER_PREFIX,
         .flags  = GFS2_EATYPE_USR,
         .get    = gfs2_xattr_get,
         .set    = gfs2_xattr_set,
 };
 
-static struct xattr_handler gfs2_xattr_security_handler = {
+static const struct xattr_handler gfs2_xattr_security_handler = {
         .prefix = XATTR_SECURITY_PREFIX,
         .flags  = GFS2_EATYPE_SECURITY,
         .get    = gfs2_xattr_get,
         .set    = gfs2_xattr_set,
 };
 
-struct xattr_handler *gfs2_xattr_handlers[] = {
+const struct xattr_handler *gfs2_xattr_handlers[] = {
         &gfs2_xattr_user_handler,
         &gfs2_xattr_security_handler,
         &gfs2_xattr_system_handler,