[JFFS2] Add length argument to jffs2_add_physical_node_ref()

If __totlen is going away, we need to pass the length in separately.
Also stop callers from needlessly setting ref->next_phys to NULL,
since that's done for them... and since that'll also be going away soon.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

6 files changed, 15 insertions, 29 deletions

diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index b0a5c40..4773ba2 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -627,8 +627,6 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
 	/* OK, all the CRCs are good; this node can just be copied as-is. */
  retry:
 	nraw->flash_offset = phys_ofs;
-	nraw->__totlen = rawlen;
-	nraw->next_phys = NULL;
 
 	ret = jffs2_flash_write(c, phys_ofs, rawlen, &retlen, (char *)node);
 
@@ -640,7 +638,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
 			nraw->next_in_ino = NULL;
 
 			nraw->flash_offset |= REF_OBSOLETE;
-			jffs2_add_physical_node_ref(c, nraw);
+			jffs2_add_physical_node_ref(c, nraw, rawlen);
 			jffs2_mark_node_obsolete(c, nraw);
 		} else {
 			printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", nraw->flash_offset);
@@ -680,7 +678,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
 		goto out_node;
 	}
 	nraw->flash_offset |= REF_PRISTINE;
-	jffs2_add_physical_node_ref(c, nraw);
+	jffs2_add_physical_node_ref(c, nraw, rawlen);
 
 	if (ic) {
 		/* Link into per-inode list. This is safe because of the ic
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index ca15b3c..94ef887 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -362,7 +362,7 @@ int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs
 			uint32_t *len, int prio, uint32_t sumsize);
 int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs,
 			uint32_t *len, uint32_t sumsize);
-int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new);
+int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new, uint32_t len);
 void jffs2_complete_reservation(struct jffs2_sb_info *c);
 void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *raw);
 
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index d6eab1b..4701556 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -374,7 +374,6 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uin
  *	@c: superblock info
  *	@new: new node reference to add
  *	@len: length of this physical node
- *	@dirty: dirty flag for new node
  *
  *	Should only be used to report nodes for which space has been allocated
  *	by jffs2_reserve_space.
@@ -382,13 +381,12 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uin
  *	Must be called with the alloc_sem held.
  */
 
-int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new)
+int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new, uint32_t len)
 {
 	struct jffs2_eraseblock *jeb;
-	uint32_t len;
 
 	jeb = &c->blocks[new->flash_offset / c->sector_size];
-	len = ref_totlen(c, jeb, new);
+	new->__totlen = len;
 
 	D1(printk(KERN_DEBUG "jffs2_add_physical_node_ref(): Node at 0x%x(%d), size 0x%x\n", ref_offset(new), ref_flags(new), len));
 #if 1
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 4cebf0e..676b834 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -312,11 +312,9 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
 					return;
 
 				raw2->flash_offset = ofs | REF_OBSOLETE;
-				raw2->__totlen = ref_totlen(c, jeb, *first_raw);
-				raw2->next_phys = NULL;
 				raw2->next_in_ino = NULL;
 
-				jffs2_add_physical_node_ref(c, raw2);
+				jffs2_add_physical_node_ref(c, raw2, ref_totlen(c, jeb, *first_raw));
 			}
 			return;
 		}
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index ff2b00b..4462541 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -103,8 +103,6 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
 	fn->raw = raw;
 
 	raw->flash_offset = flash_ofs;
-	raw->__totlen = PAD(sizeof(*ri)+datalen);
-	raw->next_phys = NULL;
 
 	if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(ri->version) < f->highest_version)) {
 		BUG_ON(!retried);
@@ -133,7 +131,7 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
 			   any node we write before the original intended end of
 			   this node */
 			raw->flash_offset |= REF_OBSOLETE;
-			jffs2_add_physical_node_ref(c, raw);
+			jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*ri)+datalen));
 			jffs2_mark_node_obsolete(c, raw);
 		} else {
 			printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", raw->flash_offset);
@@ -191,7 +189,7 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
 	} else {
 		raw->flash_offset |= REF_NORMAL;
 	}
-	jffs2_add_physical_node_ref(c, raw);
+	jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*ri)+datalen));
 
 	/* Link into per-inode list */
 	spin_lock(&c->erase_completion_lock);
@@ -259,8 +257,6 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
 	fd->raw = raw;
 
 	raw->flash_offset = flash_ofs;
-	raw->__totlen = PAD(sizeof(*rd)+namelen);
-	raw->next_phys = NULL;
 
 	if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(rd->version) < f->highest_version)) {
 		BUG_ON(!retried);
@@ -281,7 +277,7 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
 		if (retlen) {
 			raw->next_in_ino = NULL;
 			raw->flash_offset |= REF_OBSOLETE;
-			jffs2_add_physical_node_ref(c, raw);
+			jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*rd)+namelen));
 			jffs2_mark_node_obsolete(c, raw);
 		} else {
 			printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", raw->flash_offset);
@@ -327,7 +323,7 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
 	}
 	/* Mark the space used */
 	raw->flash_offset |= REF_PRISTINE;
-	jffs2_add_physical_node_ref(c, raw);
+	jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*rd)+namelen));
 
 	spin_lock(&c->erase_completion_lock);
 	raw->next_in_ino = f->inocache->nodes;
diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c
index 057bd4d..e16f846 100644
--- a/fs/jffs2/xattr.c
+++ b/fs/jffs2/xattr.c
@@ -322,8 +322,6 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
 	if (!raw)
 		return -ENOMEM;
 	raw->flash_offset = phys_ofs;
-	raw->__totlen = PAD(totlen);
-	raw->next_phys = NULL;
 	raw->next_in_ino = (void *)xd;
 
 	/* Setup raw-xattr */
@@ -348,17 +346,17 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
 		if (length) {
 			raw->flash_offset |= REF_OBSOLETE;
 			raw->next_in_ino = NULL;
-			jffs2_add_physical_node_ref(c, raw);
+			jffs2_add_physical_node_ref(c, raw, PAD(totlen));
 			jffs2_mark_node_obsolete(c, raw);
 		} else {
 			jffs2_free_raw_node_ref(raw);
 		}
 		return rc;
 	}
-	BUG_ON(raw->__totlen < sizeof(struct jffs2_raw_xattr));
+
 	/* success */
 	raw->flash_offset |= REF_PRISTINE;
-	jffs2_add_physical_node_ref(c, raw);
+	jffs2_add_physical_node_ref(c, raw, PAD(totlen));
 	if (xd->node)
 		delete_xattr_datum_node(c, xd);
 	xd->node = raw;
@@ -568,8 +566,6 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
 	if (!raw)
 		return -ENOMEM;
 	raw->flash_offset = phys_ofs;
-	raw->__totlen = PAD(sizeof(rr));
-	raw->next_phys = NULL;
 	raw->next_in_ino = (void *)ref;
 
 	rr.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -589,7 +585,7 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
 		if (length) {
 			raw->flash_offset |= REF_OBSOLETE;
 			raw->next_in_ino = NULL;
-			jffs2_add_physical_node_ref(c, raw);
+			jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr)));
 			jffs2_mark_node_obsolete(c, raw);
 		} else {
 			jffs2_free_raw_node_ref(raw);
@@ -598,7 +594,7 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
 	}
 	raw->flash_offset |= REF_PRISTINE;
 
-	jffs2_add_physical_node_ref(c, raw);
+	jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr)));
 	if (ref->node)
 		delete_xattr_ref_node(c, ref);
 	ref->node = raw;