aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch')
-rw-r--r--target/linux/generic/pending-4.9/140-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch62
1 files changed, 0 insertions, 62 deletions
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
index c97e93250b..0000000000
--- 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 */
-