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author | Felix Fietkau <nbd@openwrt.org> | 2016-03-07 17:56:58 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2016-03-07 17:56:58 +0000 |
commit | 46c7d0d1ab610701b91ac9ba465e63f51e80ee06 (patch) | |
tree | ac61f4ccb56d99a7cf65fc19840cc4c906ce65f3 /target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch | |
parent | 3abf5ce6564e24a388b86caf1a00f91f4262b312 (diff) | |
download | mtk-20170518-46c7d0d1ab610701b91ac9ba465e63f51e80ee06.zip mtk-20170518-46c7d0d1ab610701b91ac9ba465e63f51e80ee06.tar.gz mtk-20170518-46c7d0d1ab610701b91ac9ba465e63f51e80ee06.tar.bz2 |
kernel: remove linux 4.3 support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48955
Diffstat (limited to 'target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch')
-rw-r--r-- | target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch b/target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch deleted file mode 100644 index d47aa45..0000000 --- a/target/linux/generic/patches-4.3/110-jffs2-use-.rename2-and-add-RENAME_WHITEOUT-support.patch +++ /dev/null @@ -1,86 +0,0 @@ -From: Felix Fietkau <nbd@openwrt.org> -Date: Fri, 10 Apr 2015 13:35:29 +0200 -Subject: [PATCH] jffs2: use .rename2 and add RENAME_WHITEOUT support - -It is required for renames on overlayfs - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> ---- - ---- a/fs/jffs2/dir.c -+++ b/fs/jffs2/dir.c -@@ -35,7 +35,7 @@ static int jffs2_mkdir (struct inode *,s - static int jffs2_rmdir (struct inode *,struct dentry *); - static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t); - static int jffs2_rename (struct inode *, struct dentry *, -- struct inode *, struct dentry *); -+ struct inode *, struct dentry *, unsigned int); - - const struct file_operations jffs2_dir_operations = - { -@@ -57,7 +57,7 @@ const struct inode_operations jffs2_dir_ - .mkdir = jffs2_mkdir, - .rmdir = jffs2_rmdir, - .mknod = jffs2_mknod, -- .rename = jffs2_rename, -+ .rename2 = jffs2_rename, - .get_acl = jffs2_get_acl, - .set_acl = jffs2_set_acl, - .setattr = jffs2_setattr, -@@ -757,8 +757,27 @@ 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) -+ struct inode *new_dir_i, struct dentry *new_dentry, -+ unsigned int flags) - { - int ret; - struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb); -@@ -766,6 +785,9 @@ static int jffs2_rename (struct inode *o - uint8_t type; - uint32_t now; - -+ if (flags & ~RENAME_WHITEOUT) -+ return -EINVAL; -+ - /* The VFS will check for us and prevent trying to rename a - * file over a directory and vice versa, but if it's a directory, - * the VFS can't check whether the victim is empty. The filesystem -@@ -829,9 +851,14 @@ 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 */ - |