[JFFS2] Deletion dirents should be REF_NORMAL, not REF_PRISTINE.
Otherwise they'll never actually get garbage-collected.
Noted by Jonathan Larmour.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 25126a0..bc5509f 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -139,6 +139,11 @@
#define ref_obsolete(ref) (((ref)->flash_offset & 3) == REF_OBSOLETE)
#define mark_ref_normal(ref) do { (ref)->flash_offset = ref_offset(ref) | REF_NORMAL; } while(0)
+/* Dirent nodes should be REF_PRISTINE only if they are not a deletion
+ dirent. Deletion dirents should be REF_NORMAL so that GC gets to
+ throw them away when appropriate */
+#define dirent_node_state(rd) ( (je32_to_cpu((rd)->ino)?REF_PRISTINE:REF_NORMAL) )
+
/* NB: REF_PRISTINE for an inode-less node (ref->next_in_ino == NULL) indicates
it is an unknown node of type JFFS2_NODETYPE_RWCOMPAT_COPY, so it'll get
copied. If you need to do anything different to GC inode-less nodes, then
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 7b36378..170da20 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -613,7 +613,7 @@
jeb->unchecked_size -= len;
c->used_size += len;
c->unchecked_size -= len;
- ref->flash_offset = ref_offset(ref) | REF_PRISTINE;
+ ref->flash_offset = ref_offset(ref) | dirent_node_state(rd);
spin_unlock(&c->erase_completion_lock);
}
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 2a1c976..6c75cd4 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -1049,7 +1049,8 @@
return -ENOMEM;
}
- fd->raw = jffs2_link_node_ref(c, jeb, ofs | REF_PRISTINE, PAD(je32_to_cpu(rd->totlen)), ic);
+ fd->raw = jffs2_link_node_ref(c, jeb, ofs | dirent_node_state(rd),
+ PAD(je32_to_cpu(rd->totlen)), ic);
fd->next = NULL;
fd->version = je32_to_cpu(rd->version);
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 1406f2ce..bc61859 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -296,7 +296,8 @@
return ERR_PTR(ret?ret:-EIO);
}
/* Mark the space used */
- fd->raw = jffs2_add_physical_node_ref(c, flash_ofs | REF_PRISTINE, PAD(sizeof(*rd)+namelen), f->inocache);
+ fd->raw = jffs2_add_physical_node_ref(c, flash_ofs | dirent_node_state(rd),
+ PAD(sizeof(*rd)+namelen), f->inocache);
if (IS_ERR(fd->raw)) {
void *hold_err = fd->raw;
/* Release the full_dirent which is now useless, and return */
