diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch')
-rw-r--r-- | target/linux/generic/patches-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/target/linux/generic/patches-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch b/target/linux/generic/patches-4.4/111-jffs2-add-RENAME_EXCHANGE-support.patch deleted file mode 100644 index 37eb073..0000000 --- a/target/linux/generic/patches-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); |