1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/550-ubifs-symlink-xattr-support.patch b/target/linux/generic/patches-4.0/550-ubifs-symlink-xattr-support.patch
new file mode 100644
index 0000000000..d3f2ccca36
--- /dev/null
+++ b/target/linux/generic/patches-4.0/550-ubifs-symlink-xattr-support.patch
@@ -0,0 +1,55 @@
+--- a/fs/ubifs/file.c
++++ b/fs/ubifs/file.c
+@@ -1573,6 +1573,10 @@ const struct inode_operations ubifs_syml
+ 	.follow_link = ubifs_follow_link,
+ 	.setattr     = ubifs_setattr,
+ 	.getattr     = ubifs_getattr,
++	.setxattr    = ubifs_setxattr,
++	.getxattr    = ubifs_getxattr,
++	.listxattr   = ubifs_listxattr,
++	.removexattr = ubifs_removexattr,
+ };
+ 
+ const struct file_operations ubifs_file_operations = {
+--- a/fs/ubifs/journal.c
++++ b/fs/ubifs/journal.c
+@@ -572,6 +572,13 @@ int ubifs_jnl_update(struct ubifs_info *
+ 	aligned_dlen = ALIGN(dlen, 8);
+ 	aligned_ilen = ALIGN(ilen, 8);
+ 	len = aligned_dlen + aligned_ilen + UBIFS_INO_NODE_SZ;
++	if (xent) {
++		/*
++		 * Make sure to account for host_ui->data_len in
++		 * length calculation in case there is extended attribute.
++		 */
++		len += host_ui->data_len;
++	}
+ 	dent = kmalloc(len, GFP_NOFS);
+ 	if (!dent)
+ 		return -ENOMEM;
+@@ -648,7 +655,8 @@ int ubifs_jnl_update(struct ubifs_info *
+ 
+ 	ino_key_init(c, &ino_key, dir->i_ino);
+ 	ino_offs += aligned_ilen;
+-	err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs, UBIFS_INO_NODE_SZ);
++	err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs,
++			    UBIFS_INO_NODE_SZ + host_ui->data_len);
+ 	if (err)
+ 		goto out_ro;
+ 
+--- a/fs/ubifs/xattr.c
++++ b/fs/ubifs/xattr.c
+@@ -209,12 +209,12 @@ static int change_xattr(struct ubifs_inf
+ 		goto out_free;
+ 	}
+ 	inode->i_size = ui->ui_size = size;
+-	ui->data_len = size;
+ 
+ 	mutex_lock(&host_ui->ui_mutex);
+ 	host->i_ctime = ubifs_current_time(host);
+ 	host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len);
+ 	host_ui->xattr_size += CALC_XATTR_BYTES(size);
++	ui->data_len = size;
+ 
+ 	/*
+ 	 * It is important to write the host inode after the xattr inode