kernel: remove support for kernel 4.9

[openwrt/openwrt.git] / target / linux / generic / pending-4.9 / 140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch

diff --git a/target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch b/target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch
deleted file mode 100644 (file)
index c97e932..0000000
--- a/target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Subject: jffs2: use .rename2 and add RENAME_WHITEOUT support
-
-It is required for renames on overlayfs
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/fs/jffs2/dir.c
-+++ b/fs/jffs2/dir.c
-@@ -752,6 +752,24 @@ static int jffs2_mknod (struct inode *di
-       return ret;
- }
- 
-+static int jffs2_whiteout (struct inode *old_dir, struct dentry *old_dentry)
-+{
-+      struct dentry *wh;
-+      int err;
-+
-+      wh = d_alloc(old_dentry->d_parent, &old_dentry->d_name);
-+      if (!wh)
-+              return -ENOMEM;
-+
-+      err = jffs2_mknod(old_dir, wh, S_IFCHR | WHITEOUT_MODE,
-+                        WHITEOUT_DEV);
-+      if (err)
-+              return err;
-+
-+      d_rehash(wh);
-+      return 0;
-+}
-+
- static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
-                        struct inode *new_dir_i, struct dentry *new_dentry,
-                        unsigned int flags)
-@@ -762,7 +780,7 @@ static int jffs2_rename (struct inode *o
-       uint8_t type;
-       uint32_t now;
- 
--      if (flags & ~RENAME_NOREPLACE)
-+      if (flags & ~(RENAME_NOREPLACE|RENAME_WHITEOUT))
-               return -EINVAL;
- 
-       /* The VFS will check for us and prevent trying to rename a
-@@ -828,9 +846,14 @@ static int jffs2_rename (struct inode *o
-       if (d_is_dir(old_dentry) && !victim_f)
-               inc_nlink(new_dir_i);
- 
--      /* Unlink the original */
--      ret = jffs2_do_unlink(c, JFFS2_INODE_INFO(old_dir_i),
--                            old_dentry->d_name.name, old_dentry->d_name.len, NULL, now);
-+      if (flags & RENAME_WHITEOUT)
-+              /* Replace with whiteout */
-+              ret = jffs2_whiteout(old_dir_i, old_dentry);
-+      else
-+              /* Unlink the original */
-+              ret = jffs2_do_unlink(c, JFFS2_INODE_INFO(old_dir_i),
-+                                    old_dentry->d_name.name,
-+                                    old_dentry->d_name.len, NULL, now);
- 
-       /* We don't touch inode->i_nlink */
-