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Diffstat (limited to 'target/linux/generic/pending-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch')
-rw-r--r--target/linux/generic/pending-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch81
1 files changed, 0 insertions, 81 deletions
diff --git a/target/linux/generic/pending-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch b/target/linux/generic/pending-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch
deleted file mode 100644
index 37eb073df9..0000000000
--- a/target/linux/generic/pending-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch
+++ /dev/null
@@ -1,81 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sat, 25 Apr 2015 12:41:32 +0200
-Subject: [PATCH] jffs2: add RENAME_EXCHANGE support
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/fs/jffs2/dir.c
-+++ b/fs/jffs2/dir.c
-@@ -779,18 +779,31 @@ static int jffs2_rename (struct inode *o
- int ret;
- struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb);
- struct jffs2_inode_info *victim_f = NULL;
-+ struct inode *fst_inode = d_inode(old_dentry);
-+ struct inode *snd_inode = d_inode(new_dentry);
- uint8_t type;
- uint32_t now;
-
-- if (flags & ~RENAME_WHITEOUT)
-+ if (flags & ~(RENAME_WHITEOUT | RENAME_EXCHANGE))
- return -EINVAL;
-
-+ if ((flags & RENAME_EXCHANGE) && (old_dir_i != new_dir_i)) {
-+ if (S_ISDIR(fst_inode->i_mode) && !S_ISDIR(snd_inode->i_mode)) {
-+ inc_nlink(new_dir_i);
-+ drop_nlink(old_dir_i);
-+ }
-+ else if (!S_ISDIR(fst_inode->i_mode) && S_ISDIR(snd_inode->i_mode)) {
-+ drop_nlink(new_dir_i);
-+ inc_nlink(old_dir_i);
-+ }
-+ }
-+
- /* 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
- * needs to do that for itself.
- */
-- if (d_really_is_positive(new_dentry)) {
-+ if (d_really_is_positive(new_dentry) && !(flags & RENAME_EXCHANGE)) {
- victim_f = JFFS2_INODE_INFO(d_inode(new_dentry));
- if (d_is_dir(new_dentry)) {
- struct jffs2_full_dirent *fd;
-@@ -825,7 +838,7 @@ static int jffs2_rename (struct inode *o
- if (ret)
- return ret;
-
-- if (victim_f) {
-+ if (victim_f && !(flags & RENAME_EXCHANGE)) {
- /* There was a victim. Kill it off nicely */
- if (d_is_dir(new_dentry))
- clear_nlink(d_inode(new_dentry));
-@@ -845,12 +858,18 @@ static int jffs2_rename (struct inode *o
-
- /* If it was a directory we moved, and there was no victim,
- increase i_nlink on its new parent */
-- if (d_is_dir(old_dentry) && !victim_f)
-+ if (d_is_dir(old_dentry) && !victim_f && !(flags & RENAME_EXCHANGE))
- inc_nlink(new_dir_i);
-
- if (flags & RENAME_WHITEOUT)
- /* Replace with whiteout */
- ret = jffs2_whiteout(old_dir_i, old_dentry);
-+ else if (flags & RENAME_EXCHANGE)
-+ /* Replace the original */
-+ ret = jffs2_do_link(c, JFFS2_INODE_INFO(old_dir_i),
-+ d_inode(new_dentry)->i_ino, type,
-+ old_dentry->d_name.name, old_dentry->d_name.len,
-+ now);
- else
- /* Unlink the original */
- ret = jffs2_do_unlink(c, JFFS2_INODE_INFO(old_dir_i),
-@@ -882,7 +901,7 @@ static int jffs2_rename (struct inode *o
- return ret;
- }
-
-- if (d_is_dir(old_dentry))
-+ if (d_is_dir(old_dentry) && !(flags & RENAME_EXCHANGE))
- drop_nlink(old_dir_i);
-
- new_dir_i->i_mtime = new_dir_i->i_ctime = old_dir_i->i_mtime = old_dir_i->i_ctime = ITIME(now);