generic: early (incomplete!) 4.0 support

[openwrt/svn-archive/archive.git] / target / linux / generic / patches-4.0 / 550-ubifs-symlink-xattr-support.patch

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 (file)
index 0000000..d3f2ccc
--- /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