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-rw-r--r--target/linux/generic/pending-3.18/550-ubifs-symlink-xattr-support.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/generic/pending-3.18/550-ubifs-symlink-xattr-support.patch b/target/linux/generic/pending-3.18/550-ubifs-symlink-xattr-support.patch
new file mode 100644
index 0000000000..42ae9cb84a
--- /dev/null
+++ b/target/linux/generic/pending-3.18/550-ubifs-symlink-xattr-support.patch
@@ -0,0 +1,55 @@
+--- a/fs/ubifs/file.c
++++ b/fs/ubifs/file.c
+@@ -1597,6 +1597,10 @@ 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