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Diffstat (limited to 'fs/jffs2/write.c')
-rw-r--r--fs/jffs2/write.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 147e2cbee9e4..611012f7c8ae 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -582,7 +582,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
jffs2_add_fd_to_list(c, fd, &dir_f->dents);
up(&dir_f->sem);
} else {
- struct jffs2_full_dirent **prev = &dir_f->dents;
+ struct jffs2_full_dirent *fd = dir_f->dents;
uint32_t nhash = full_name_hash(name, namelen);
/* We don't actually want to reserve any space, but we do
@@ -590,18 +590,20 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
down(&c->alloc_sem);
down(&dir_f->sem);
- while ((*prev) && (*prev)->nhash <= nhash) {
- if ((*prev)->nhash == nhash &&
- !memcmp((*prev)->name, name, namelen) &&
- !(*prev)->name[namelen]) {
- struct jffs2_full_dirent *this = *prev;
+ for (fd = dir_f->dents; fd; fd = fd->next) {
+ if (fd->nhash == nhash &&
+ !memcmp(fd->name, name, namelen) &&
+ !fd->name[namelen]) {
D1(printk(KERN_DEBUG "Marking old dirent node (ino #%u) @%08x obsolete\n",
- this->ino, ref_offset(this->raw)));
-
- *prev = this->next;
- jffs2_mark_node_obsolete(c, (this->raw));
- jffs2_free_full_dirent(this);
+ fd->ino, ref_offset(fd->raw)));
+ jffs2_mark_node_obsolete(c, fd->raw);
+ /* We don't want to remove it from the list immediately,
+ because that screws up getdents()/seek() semantics even
+ more than they're screwed already. Turn it into a
+ node-less deletion dirent instead -- a placeholder */
+ fd->raw = NULL;
+ fd->ino = 0;
break;
}
prev = &((*prev)->next);
@@ -630,7 +632,8 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
D1(printk(KERN_DEBUG "Removing deletion dirent for \"%s\" from dir ino #%u\n",
fd->name, dead_f->inocache->ino));
}
- jffs2_mark_node_obsolete(c, fd->raw);
+ if (fd->raw)
+ jffs2_mark_node_obsolete(c, fd->raw);
jffs2_free_full_dirent(fd);
}
}