kernel: update yaffs code

Use the latest version of the yaffs code. Fetched from the
yaffs2 git tree and it is based on the following commit:

  commit bc76682d93955cfb33051beb503ad9f8a5450578
  Merge: 3a8580e ffa781d
  Author: Charles Manning <cdhmanning@gmail.com>
  Date:   Thu Jul 11 17:46:25 2013 +1200

      Merge branch 'master' of ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39084

18 files changed, 328 insertions, 1670 deletions

diff --git a/target/linux/generic/patches-3.12/501-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch b/target/linux/generic/patches-3.12/501-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch
new file mode 100644
index 0000000..c1f7367
--- /dev/null
+++ b/target/linux/generic/patches-3.12/501-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch
@@ -0,0 +1,155 @@
+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -329,6 +329,33 @@ static int yaffs_readpage(struct file *f
+ 	return ret;
+ }
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
++#define YCRED_FSUID()	from_kuid(&init_user_ns, current_fsuid())
++#define YCRED_FSGID()	from_kgid(&init_user_ns, current_fsgid())
++#else
++#define YCRED_FSUID()	YCRED(current)->fsuid
++#define YCRED_FSGID()	YCRED(current)->fsgid
++
++static inline uid_t i_uid_read(const struct inode *inode)
++{
++	return inode->i_uid;
++}
++
++static inline gid_t i_gid_read(const struct inode *inode)
++{
++	return inode->i_gid;
++}
++
++static inline void i_uid_write(struct inode *inode, uid_t uid)
++{
++	inode->i_uid = uid;
++}
++
++static inline void i_gid_write(struct inode *inode, gid_t gid)
++{
++	inode->i_gid = gid;
++}
++#endif
+ 
+ static void yaffs_set_super_dirty_val(struct yaffs_dev *dev, int val)
+ {
+@@ -1225,9 +1252,9 @@ static int yaffs_mknod(struct inode *dir
+ 	struct yaffs_obj *parent = yaffs_inode_to_obj(dir);
+ 
+ 	int error = -ENOSPC;
+-	uid_t uid = YCRED(current)->fsuid;
++	uid_t uid = YCRED_FSUID();
+ 	gid_t gid =
+-	    (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
++	    (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
+ 
+ 	if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
+ 		mode |= S_ISGID;
+@@ -1424,9 +1451,9 @@ static int yaffs_symlink(struct inode *d
+ {
+ 	struct yaffs_obj *obj;
+ 	struct yaffs_dev *dev;
+-	uid_t uid = YCRED(current)->fsuid;
++	uid_t uid = YCRED_FSUID();
+ 	gid_t gid =
+-	    (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
++	    (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
+ 
+ 	yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink");
+ 
+@@ -1829,8 +1856,8 @@ static void yaffs_fill_inode_from_obj(st
+ 
+ 		inode->i_ino = obj->obj_id;
+ 		inode->i_mode = obj->yst_mode;
+-		inode->i_uid = obj->yst_uid;
+-		inode->i_gid = obj->yst_gid;
++		i_uid_write(inode, obj->yst_uid);
++		i_gid_write(inode, obj->yst_gid);
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
+ 		inode->i_blksize = inode->i_sb->s_blocksize;
+ #endif
+@@ -1856,7 +1883,7 @@ static void yaffs_fill_inode_from_obj(st
+ 
+ 		yaffs_trace(YAFFS_TRACE_OS,
+ 			"yaffs_fill_inode mode %x uid %d gid %d size %lld count %d",
+-			inode->i_mode, inode->i_uid, inode->i_gid,
++			inode->i_mode, i_uid_read(inode), i_gid_read(inode),
+ 			inode->i_size, atomic_read(&inode->i_count));
+ 
+ 		switch (obj->yst_mode & S_IFMT) {
+--- a/fs/yaffs2/yaffs_attribs.c
++++ b/fs/yaffs2/yaffs_attribs.c
+@@ -14,6 +14,48 @@
+ #include "yaffs_guts.h"
+ #include "yaffs_attribs.h"
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
++static inline uid_t ia_uid_read(const struct iattr *iattr)
++{
++	return from_kuid(&init_user_ns, iattr->ia_uid);
++}
++
++static inline gid_t ia_gid_read(const struct iattr *iattr)
++{
++	return from_kgid(&init_user_ns, iattr->ia_gid);
++}
++
++static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
++{
++	iattr->ia_uid = make_kuid(&init_user_ns, uid);
++}
++
++static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
++{
++	iattr->ia_gid = make_kgid(&init_user_ns, gid);
++}
++#else
++static inline uid_t ia_uid_read(const struct iattr *iattr)
++{
++	return iattr->ia_uid;
++}
++
++static inline gid_t ia_gid_read(const struct iattr *inode)
++{
++	return iattr->ia_gid;
++}
++
++static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
++{
++	iattr->ia_uid = uid;
++}
++
++static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
++{
++	iattr->ia_gid = gid;
++}
++#endif
++
+ void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
+ {
+ 	obj->yst_uid = oh->yst_uid;
+@@ -77,9 +119,9 @@ int yaffs_set_attribs(struct yaffs_obj *
+ 	if (valid & ATTR_MODE)
+ 		obj->yst_mode = attr->ia_mode;
+ 	if (valid & ATTR_UID)
+-		obj->yst_uid = attr->ia_uid;
++		obj->yst_uid =  ia_uid_read(attr);
+ 	if (valid & ATTR_GID)
+-		obj->yst_gid = attr->ia_gid;
++		obj->yst_gid =  ia_gid_read(attr);
+ 
+ 	if (valid & ATTR_ATIME)
+ 		obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
+@@ -103,9 +145,9 @@ int yaffs_get_attribs(struct yaffs_obj *
+ 
+ 	attr->ia_mode = obj->yst_mode;
+ 	valid |= ATTR_MODE;
+-	attr->ia_uid = obj->yst_uid;
++	ia_uid_write(attr, obj->yst_uid);
+ 	valid |= ATTR_UID;
+-	attr->ia_gid = obj->yst_gid;
++	ia_gid_write(attr, obj->yst_gid);
+ 	valid |= ATTR_GID;
+ 
+ 	Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
diff --git a/target/linux/generic/patches-3.12/501-yaffs-Fix-directory-unlinking-in-yaffs1-mode.patch b/target/linux/generic/patches-3.12/501-yaffs-Fix-directory-unlinking-in-yaffs1-mode.patch
deleted file mode 100644
index d2bad01..0000000
--- a/target/linux/generic/patches-3.12/501-yaffs-Fix-directory-unlinking-in-yaffs1-mode.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From 2505e8b0a13d3d5c5bbeaaae4eb889864f44c9df Mon Sep 17 00:00:00 2001
-From: Charles Manning <cdhmanning@gmail.com>
-Date: Thu, 3 Feb 2011 05:55:30 +1300
-Subject: [PATCH] yaffs: Fix directory unlinking in yaffs1 mode
-
-commit 964b3425a71890e6701c830e38b04d8557c04f49 upstream.
-
-Treat both yaffs2 and yaffs1 paths the same.
-
-Signed-off-by: Charles Manning <cdhmanning@gmail.com>
----
- yaffs_guts.c |    8 +-------
- 1 file changed, 1 insertion(+), 7 deletions(-)
-
---- a/fs/yaffs2/yaffs_guts.c
-+++ b/fs/yaffs2/yaffs_guts.c
-@@ -1708,13 +1708,7 @@ static int yaffs_change_obj_name(yaffs_o
- 		YBUG();
- 	}
- 
--	/* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
--	if (obj->my_dev->param.is_yaffs2)
--		unlinkOp = (new_dir == obj->my_dev->unlinked_dir);
--	else
--		unlinkOp = (new_dir == obj->my_dev->unlinked_dir
--			    && obj->variant_type == YAFFS_OBJECT_TYPE_FILE);
--
-+	unlinkOp = (new_dir == obj->my_dev->unlinked_dir);
- 	deleteOp = (new_dir == obj->my_dev->del_dir);
- 
- 	existingTarget = yaffs_find_by_name(new_dir, new_name);
diff --git a/target/linux/generic/patches-3.12/502-yaffs-3.10-disable-proc-entry.patch b/target/linux/generic/patches-3.12/502-yaffs-3.10-disable-proc-entry.patch
new file mode 100644
index 0000000..5b73d38
--- /dev/null
+++ b/target/linux/generic/patches-3.12/502-yaffs-3.10-disable-proc-entry.patch
@@ -0,0 +1,44 @@
+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -3025,6 +3025,7 @@ static DECLARE_FSTYPE(yaffs2_fs_type, "y
+ #endif
+ 
+ 
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
+ static struct proc_dir_entry *my_proc_entry;
+ 
+ static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev)
+@@ -3398,6 +3399,7 @@ static int yaffs_proc_write(struct file
+ 		return yaffs_proc_debug_write(file, buf, count, data);
+ 	return yaffs_proc_write_trace_options(file, buf, count, data);
+ }
++#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) */
+ 
+ /* Stuff to handle installation of file systems */
+ struct file_system_to_install {
+@@ -3421,6 +3423,7 @@ static int __init init_yaffs_fs(void)
+ 
+ 	mutex_init(&yaffs_context_lock);
+ 
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
+ 	/* Install the proc_fs entries */
+ 	my_proc_entry = create_proc_entry("yaffs",
+ 					  S_IRUGO | S_IFREG, YPROC_ROOT);
+@@ -3432,6 +3435,7 @@ static int __init init_yaffs_fs(void)
+ 	} else {
+ 		return -ENOMEM;
+         }
++#endif
+ 
+ 	/* Now add the file system entries */
+ 
+@@ -3468,7 +3472,9 @@ static void __exit exit_yaffs_fs(void)
+ 	yaffs_trace(YAFFS_TRACE_ALWAYS,
+ 		"yaffs built " __DATE__ " " __TIME__ " removing.");
+ 
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
+ 	remove_proc_entry("yaffs", YPROC_ROOT);
++#endif
+ 
+ 	fsinst = fs_to_install;
+ 
diff --git a/target/linux/generic/patches-3.12/502-yaffs-Switch-from-semaphores-to-mutexes.patch b/target/linux/generic/patches-3.12/502-yaffs-Switch-from-semaphores-to-mutexes.patch
deleted file mode 100644
index 8d1872e..0000000
--- a/target/linux/generic/patches-3.12/502-yaffs-Switch-from-semaphores-to-mutexes.patch
+++ /dev/null
@@ -1,138 +0,0 @@
-From c0c289363e84c53b5872f7c0c5069045096dca07 Mon Sep 17 00:00:00 2001
-From: Charles Manning <cdhmanning@gmail.com>
-Date: Wed, 3 Nov 2010 16:01:12 +1300
-Subject: [PATCH] yaffs: Switch from semaphores to mutexes
-
-commit 73c54aa8c1de3f61a4c211cd47431293a6092f18 upstream.
-
-Mutex is faster and init_MUTEX has been deprecated, so we'll just switch
-to mutexes.
-
-Signed-off-by: Charles Manning <cdhmanning@gmail.com>
----
- yaffs_linux.h     |    2 +-
- yaffs_vfs.c       |   24 ++++++++++++------------
- yaffs_vfs_multi.c |   26 +++++++++++++-------------
- 3 files changed, 26 insertions(+), 26 deletions(-)
-
---- a/fs/yaffs2/yaffs_linux.h
-+++ b/fs/yaffs2/yaffs_linux.h
-@@ -25,7 +25,7 @@ struct yaffs_LinuxContext {
- 	struct super_block * superBlock;
- 	struct task_struct *bgThread; /* Background thread for this device */
- 	int bgRunning;
--        struct semaphore grossLock;     /* Gross locking semaphore */
-+	struct mutex grossLock;	/* Gross locking mutex*/
- 	__u8 *spareBuffer;      /* For mtdif2 use. Don't know the size of the buffer
- 				 * at compile time so we have to allocate it.
- 				 */
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -515,14 +515,14 @@ static unsigned yaffs_gc_control_callbac
- static void yaffs_gross_lock(yaffs_dev_t *dev)
- {
- 	T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
--	down(&(yaffs_dev_to_lc(dev)->grossLock));
-+	mutex_lock(&(yaffs_dev_to_lc(dev)->grossLock));
- 	T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current));
- }
- 
- static void yaffs_gross_unlock(yaffs_dev_t *dev)
- {
- 	T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
--	up(&(yaffs_dev_to_lc(dev)->grossLock));
-+	mutex_unlock(&(yaffs_dev_to_lc(dev)->grossLock));
- }
- 
- #ifdef YAFFS_COMPILE_EXPORTFS
-@@ -2542,7 +2542,7 @@ static void yaffs_read_inode(struct inod
- #endif
- 
- static YLIST_HEAD(yaffs_context_list);
--struct semaphore yaffs_context_lock;
-+struct mutex yaffs_context_lock;
- 
- static void yaffs_put_super(struct super_block *sb)
- {
-@@ -2568,9 +2568,9 @@ static void yaffs_put_super(struct super
- 
- 	yaffs_gross_unlock(dev);
- 
--	down(&yaffs_context_lock);
-+	mutex_lock(&yaffs_context_lock);
- 	ylist_del_init(&(yaffs_dev_to_lc(dev)->contextList));
--	up(&yaffs_context_lock);
-+	mutex_unlock(&yaffs_context_lock);
- 
- 	if (yaffs_dev_to_lc(dev)->spareBuffer) {
- 		YFREE(yaffs_dev_to_lc(dev)->spareBuffer);
-@@ -3016,7 +3016,7 @@ static struct super_block *yaffs_interna
- 	param->skip_checkpt_rd = options.skip_checkpoint_read;
- 	param->skip_checkpt_wr = options.skip_checkpoint_write;
- 
--	down(&yaffs_context_lock);
-+	mutex_lock(&yaffs_context_lock);
- 	/* Get a mount id */
- 	found = 0;
- 	for(mount_id=0; ! found; mount_id++){
-@@ -3030,13 +3030,13 @@ static struct super_block *yaffs_interna
- 	context->mount_id = mount_id;
- 
- 	ylist_add_tail(&(yaffs_dev_to_lc(dev)->contextList), &yaffs_context_list);
--	up(&yaffs_context_lock);
-+	mutex_unlock(&yaffs_context_lock);
- 
-         /* Directory search handling...*/
-         YINIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->searchContexts));
-         param->remove_obj_fn = yaffs_remove_obj_callback;
- 
--	init_MUTEX(&(yaffs_dev_to_lc(dev)->grossLock));
-+	mutex_init(&(yaffs_dev_to_lc(dev)->grossLock));
- 
- 	yaffs_gross_lock(dev);
- 
-@@ -3268,7 +3268,7 @@ static int yaffs_proc_read(char *page,
- 	else {
- 		step-=2;
- 		
--		down(&yaffs_context_lock);
-+		mutex_lock(&yaffs_context_lock);
- 
- 		/* Locate and print the Nth entry.  Order N-squared but N is small. */
- 		ylist_for_each(item, &yaffs_context_list) {
-@@ -3287,7 +3287,7 @@ static int yaffs_proc_read(char *page,
- 			
- 			break;
- 		}
--		up(&yaffs_context_lock);
-+		mutex_unlock(&yaffs_context_lock);
- 	}
- 
- 	return buf - page < count ? buf - page : count;
-@@ -3301,7 +3301,7 @@ static int yaffs_stats_proc_read(char *p
- 	char *buf = page;
- 	int n = 0;
- 
--	down(&yaffs_context_lock);
-+	mutex_lock(&yaffs_context_lock);
- 
- 	/* Locate and print the Nth entry.  Order N-squared but N is small. */
- 	ylist_for_each(item, &yaffs_context_list) {
-@@ -3317,7 +3317,7 @@ static int yaffs_stats_proc_read(char *p
- 				dev->bg_gcs, dev->oldest_dirty_gc_count,
- 				dev->n_obj, dev->n_tnodes);
- 	}
--	up(&yaffs_context_lock);
-+	mutex_unlock(&yaffs_context_lock);
- 
- 
- 	return buf - page < count ? buf - page : count;
-@@ -3494,7 +3494,7 @@ static int __init init_yaffs_fs(void)
- 
- 
- 
--	init_MUTEX(&yaffs_context_lock);
-+	mutex_init(&yaffs_context_lock);
- 
- 	/* Install the proc_fs entries */
- 	my_proc_entry = create_proc_entry("yaffs",
diff --git a/target/linux/generic/patches-3.12/503-yaffs-3.12-convert-readdir-to-iterate.patch b/target/linux/generic/patches-3.12/503-yaffs-3.12-convert-readdir-to-iterate.patch
new file mode 100644
index 0000000..586c141
--- /dev/null
+++ b/target/linux/generic/patches-3.12/503-yaffs-3.12-convert-readdir-to-iterate.patch
@@ -0,0 +1,129 @@
+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -1701,6 +1701,110 @@ static void yaffs_remove_obj_callback(st
+ 
+ /*-----------------------------------------------------------------*/
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
++static int yaffs_readdir(struct file *file, struct dir_context *ctx)
++{
++	struct yaffs_obj *obj;
++	struct yaffs_dev *dev;
++	struct yaffs_search_context *sc;
++	struct inode *inode = file->f_dentry->d_inode;
++	unsigned long offset, curoffs;
++	struct yaffs_obj *l;
++	int ret_val = 0;
++
++	char name[YAFFS_MAX_NAME_LENGTH + 1];
++
++	obj = yaffs_dentry_to_obj(file->f_dentry);
++	dev = obj->my_dev;
++
++	yaffs_gross_lock(dev);
++
++	yaffs_dev_to_lc(dev)->readdir_process = current;
++
++	offset = ctx->pos;
++
++	sc = yaffs_new_search(obj);
++	if (!sc) {
++		ret_val = -ENOMEM;
++		goto out;
++	}
++
++	yaffs_trace(YAFFS_TRACE_OS,
++		"yaffs_readdir: starting at %d", (int)offset);
++
++	if (offset == 0) {
++		yaffs_trace(YAFFS_TRACE_OS,
++			"yaffs_readdir: entry . ino %d",
++			(int)inode->i_ino);
++		yaffs_gross_unlock(dev);
++		if (!dir_emit_dot(file, ctx)) {
++			yaffs_gross_lock(dev);
++			goto out;
++		}
++		yaffs_gross_lock(dev);
++		offset++;
++		ctx->pos++;
++	}
++	if (offset == 1) {
++		yaffs_trace(YAFFS_TRACE_OS,
++			"yaffs_readdir: entry .. ino %d",
++			(int)file->f_dentry->d_parent->d_inode->i_ino);
++		yaffs_gross_unlock(dev);
++		if (!dir_emit_dotdot(file, ctx)) {
++			yaffs_gross_lock(dev);
++			goto out;
++		}
++		yaffs_gross_lock(dev);
++		offset++;
++		ctx->pos++;
++	}
++
++	curoffs = 1;
++
++	/* If the directory has changed since the open or last call to
++	   readdir, rewind to after the 2 canned entries. */
++	if (file->f_version != inode->i_version) {
++		offset = 2;
++		ctx->pos = offset;
++		file->f_version = inode->i_version;
++	}
++
++	while (sc->next_return) {
++		curoffs++;
++		l = sc->next_return;
++		if (curoffs >= offset) {
++			int this_inode = yaffs_get_obj_inode(l);
++			int this_type = yaffs_get_obj_type(l);
++
++			yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
++			yaffs_trace(YAFFS_TRACE_OS,
++				"yaffs_readdir: %s inode %d",
++				name, yaffs_get_obj_inode(l));
++
++			yaffs_gross_unlock(dev);
++
++			if (!dir_emit(ctx, name, strlen(name),
++				      this_inode, this_type) < 0) {
++				yaffs_gross_lock(dev);
++				goto out;
++			}
++
++			yaffs_gross_lock(dev);
++
++			offset++;
++			ctx->pos++;
++		}
++		yaffs_search_advance(sc);
++	}
++
++out:
++	yaffs_search_end(sc);
++	yaffs_dev_to_lc(dev)->readdir_process = NULL;
++	yaffs_gross_unlock(dev);
++
++	return ret_val;
++}
++#else
+ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
+ {
+ 	struct yaffs_obj *obj;
+@@ -1807,10 +1911,15 @@ out:
+ 
+ 	return ret_val;
+ }
++#endif
+ 
+ static const struct file_operations yaffs_dir_operations = {
+ 	.read = generic_read_dir,
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
++	.iterate = yaffs_readdir,
++#else
+ 	.readdir = yaffs_readdir,
++#endif
+ 	.fsync = yaffs_sync_object,
+ 	.llseek = generic_file_llseek,
+ };
diff --git a/target/linux/generic/patches-3.12/503-yaffs-Replace-yaffs_dir_llseek-with-Linux-generic-ll.patch b/target/linux/generic/patches-3.12/503-yaffs-Replace-yaffs_dir_llseek-with-Linux-generic-ll.patch
deleted file mode 100644
index d283e85..0000000
--- a/target/linux/generic/patches-3.12/503-yaffs-Replace-yaffs_dir_llseek-with-Linux-generic-ll.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From cd6657c4bde20886b0805ea9f2cbac7ec25ac2e5 Mon Sep 17 00:00:00 2001
-From: Charles Manning <cdhmanning@gmail.com>
-Date: Tue, 30 Nov 2010 16:01:28 +1300
-Subject: [PATCH 1/2] yaffs: Replace yaffs_dir_llseek with Linux generic
- llseek
-
-commit ed8188fb7659cfb65b5adbe154d143190ade0324 upstream.
-
-There was not much point in having the yaffs version as it is
-functionally equivalent to the kernel one.
-
-This also gets rid of using BKL in yaffs2.
-
-Signed-off-by: Charles Manning <cdhmanning@gmail.com>
----
- yaffs_vfs.c       |   30 +-----------------------------
- yaffs_vfs_multi.c |   30 +-----------------------------
- 2 files changed, 2 insertions(+), 58 deletions(-)
-
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -342,8 +342,6 @@ static int yaffs_follow_link(struct dent
- 
- static void yaffs_touch_super(yaffs_dev_t *dev);
- 
--static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin);
--
- static int yaffs_vfs_setattr(struct inode *, struct iattr *);
- 
- 
-@@ -460,7 +458,7 @@ static const struct file_operations yaff
- 	.read = generic_read_dir,
- 	.readdir = yaffs_readdir,
- 	.fsync = yaffs_sync_object,
--	.llseek = yaffs_dir_llseek,
-+	.llseek = generic_file_llseek,
- };
- 
- static const struct super_operations yaffs_super_ops = {
-@@ -1534,32 +1532,6 @@ static void yaffs_release_space(struct f
- }
- 
- 
--static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin)
--{
--	long long retval;
--
--	lock_kernel();
--
--	switch (origin){
--	case 2:
--		offset += i_size_read(file->f_path.dentry->d_inode);
--		break;
--	case 1:
--		offset += file->f_pos;
--	}
--	retval = -EINVAL;
--
--	if (offset >= 0){
--		if (offset != file->f_pos)
--			file->f_pos = offset;
--
--		retval = offset;
--	}
--	unlock_kernel();
--	return retval;
--}
--
--
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
- {
- 	yaffs_obj_t *obj;
diff --git a/target/linux/generic/patches-3.12/504-yaffs-Mods-for-Linux-3.0-and-fix-a-typo.patch b/target/linux/generic/patches-3.12/504-yaffs-Mods-for-Linux-3.0-and-fix-a-typo.patch
deleted file mode 100644
index 1b814e9..0000000
--- a/target/linux/generic/patches-3.12/504-yaffs-Mods-for-Linux-3.0-and-fix-a-typo.patch
+++ /dev/null
@@ -1,110 +0,0 @@
-From e1537a700c2e750c5eacc5ad93f30821f1e94424 Mon Sep 17 00:00:00 2001
-From: Charles Manning <cdhmanning@gmail.com>
-Date: Mon, 15 Aug 2011 11:40:30 +1200
-Subject: [PATCH 2/2] Mods for Linux 3.0 and fix a typo
-
-commit a7b5dcf904ba6f7890e4b77ce1f56388b855d0f6 upstream.
-
-Roll in NCB's patch and some other changes for Linux 3.0.
-Also fix a dumb type retired_writes->retried_writes
-
-Signed-off-by: Charles Manning <cdhmanning@gmail.com>
----
- patch-ker.sh      |    2 +-
- yaffs_vfs_glue.c |   42 ++++++++++++++++++++++++++++++++++--------
- 2 files changed, 35 insertions(+), 9 deletions(-)
-
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -72,7 +72,9 @@
- #include <linux/init.h>
- #include <linux/fs.h>
- #include <linux/proc_fs.h>
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39))
- #include <linux/smp_lock.h>
-+#endif
- #include <linux/pagemap.h>
- #include <linux/mtd/mtd.h>
- #include <linux/interrupt.h>
-@@ -236,7 +238,9 @@ static int yaffs_file_flush(struct file
- static int yaffs_file_flush(struct file *file);
- #endif
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync);
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
- static int yaffs_sync_object(struct file *file, int datasync);
- #else
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-@@ -1864,7 +1868,9 @@ static int yaffs_symlink(struct inode *d
- 	return -ENOMEM;
- }
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync)
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
- static int yaffs_sync_object(struct file *file, int datasync)
- #else
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-@@ -3067,7 +3073,13 @@ static int yaffs_internal_read_super_mtd
- 	return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
- }
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+static struct dentry *yaffs_mount(struct file_system_type *fs_type, int flags,
-+        const char *dev_name, void *data)
-+{
-+    return mount_bdev(fs_type, flags, dev_name, data, yaffs_internal_read_super_mtd);
-+}
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_read_super(struct file_system_type *fs,
- 			    int flags, const char *dev_name,
- 			    void *data, struct vfsmount *mnt)
-@@ -3090,8 +3102,12 @@ static struct super_block *yaffs_read_su
- static struct file_system_type yaffs_fs_type = {
- 	.owner = THIS_MODULE,
- 	.name = "yaffs",
--	.get_sb = yaffs_read_super,
--	.kill_sb = kill_block_super,
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+        .mount = yaffs_mount,
-+#else
-+        .get_sb = yaffs_read_super,
-+#endif
-+     	.kill_sb = kill_block_super,
- 	.fs_flags = FS_REQUIRES_DEV,
- };
- #else
-@@ -3115,7 +3131,13 @@ static int yaffs2_internal_read_super_mt
- 	return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
- }
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+static struct dentry *yaffs2_mount(struct file_system_type *fs_type, int flags,
-+        const char *dev_name, void *data)
-+{
-+        return mount_bdev(fs_type, flags, dev_name, data, yaffs2_internal_read_super_mtd);
-+}
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs2_read_super(struct file_system_type *fs,
- 			int flags, const char *dev_name, void *data,
- 			struct vfsmount *mnt)
-@@ -3137,8 +3159,12 @@ static struct super_block *yaffs2_read_s
- static struct file_system_type yaffs2_fs_type = {
- 	.owner = THIS_MODULE,
- 	.name = "yaffs2",
--	.get_sb = yaffs2_read_super,
--	.kill_sb = kill_block_super,
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
-+        .mount = yaffs2_mount,
-+#else
-+        .get_sb = yaffs2_read_super,
-+#endif
-+     	.kill_sb = kill_block_super,
- 	.fs_flags = FS_REQUIRES_DEV,
- };
- #else
diff --git a/target/linux/generic/patches-3.12/505-yaffs-3.2-use-MTD_OPS_AUTO_OOB.patch b/target/linux/generic/patches-3.12/505-yaffs-3.2-use-MTD_OPS_AUTO_OOB.patch
deleted file mode 100644
index 463f4a2..0000000
--- a/target/linux/generic/patches-3.12/505-yaffs-3.2-use-MTD_OPS_AUTO_OOB.patch
+++ /dev/null
@@ -1,54 +0,0 @@
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
-@@ -127,7 +127,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
- #endif
- 
- 	memset(&ops, 0, sizeof(ops));
--	ops.mode = MTD_OOB_AUTO;
-+	ops.mode = MTD_OPS_AUTO_OOB;
- 	ops.len = (data) ? chunkBytes : 0;
- 	ops.ooblen = YTAG1_SIZE;
- 	ops.datbuf = (__u8 *)data;
-@@ -179,7 +179,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- 	int deleted;
- 
- 	memset(&ops, 0, sizeof(ops));
--	ops.mode = MTD_OOB_AUTO;
-+	ops.mode = MTD_OPS_AUTO_OOB;
- 	ops.len = (data) ? chunkBytes : 0;
- 	ops.ooblen = YTAG1_SIZE;
- 	ops.datbuf = data;
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
-@@ -71,7 +71,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- 		yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc);
- 
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
--	ops.mode = MTD_OOB_AUTO;
-+	ops.mode = MTD_OPS_AUTO_OOB;
- 	ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size;
- 	ops.len = dev->param.total_bytes_per_chunk;
- 	ops.ooboffs = 0;
-@@ -136,7 +136,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- 		retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk,
- 				&dummy, data);
- 	else if (tags) {
--		ops.mode = MTD_OOB_AUTO;
-+		ops.mode = MTD_OPS_AUTO_OOB;
- 		ops.ooblen = packed_tags_size;
- 		ops.len = data ? dev->data_bytes_per_chunk : packed_tags_size;
- 		ops.ooboffs = 0;
---- a/fs/yaffs2/yaffs_mtdif.h
-+++ b/fs/yaffs2/yaffs_mtdif.h
-@@ -24,4 +24,11 @@ extern struct nand_oobinfo yaffs_noeccin
- #endif
- int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber);
- int nandmtd_InitialiseNAND(yaffs_dev_t *dev);
-+
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
-+#include <mtd/mtd-abi.h>
-+#else
-+#define MTD_OPS_AUTO_OOB 	MTD_OOB_AUTO
-+#endif
-+
- #endif
diff --git a/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch b/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch
deleted file mode 100644
index 91e8281..0000000
--- a/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch
+++ /dev/null
@@ -1,78 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -220,6 +220,29 @@ static struct inode *yaffs_iget(struct s
- #define yaffs_SuperToDevice(sb)	((yaffs_dev_t *)sb->u.generic_sbp)
- #endif
- 
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0))
-+static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
-+{
-+	set_nlink(inode, nlink);
-+}
-+
-+static inline void yaffs_dec_link_count(struct inode *inode)
-+{
-+	inode_dec_link_count(inode);
-+}
-+#else
-+static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
-+{
-+	inode->i_nlink = nlink;
-+}
-+
-+static inline void yaffs_dec_link_count(struct inode *inode)
-+{
-+	inode->i_nlink--;
-+	mark_inode_dirty(inode)
-+}
-+#endif
-+
- 
- #define update_dir_time(dir) do {\
- 			(dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
-@@ -1362,7 +1385,7 @@ static void yaffs_fill_inode_from_obj(st
- 		inode->i_size = yaffs_get_obj_length(obj);
- 		inode->i_blocks = (inode->i_size + 511) >> 9;
- 
--		inode->i_nlink = yaffs_get_obj_link_count(obj);
-+		yaffs_set_nlink(inode, yaffs_get_obj_link_count(obj));
- 
- 		T(YAFFS_TRACE_OS,
- 			(TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
-@@ -1784,10 +1807,9 @@ static int yaffs_unlink(struct inode *di
- 	retVal = yaffs_unlinker(obj, dentry->d_name.name);
- 
- 	if (retVal == YAFFS_OK) {
--		dentry->d_inode->i_nlink--;
-+		yaffs_dec_link_count(dentry->d_inode);
- 		dir->i_version++;
- 		yaffs_gross_unlock(dev);
--		mark_inode_dirty(dentry->d_inode);
- 		update_dir_time(dir);
- 		return 0;
- 	}
-@@ -1818,7 +1840,8 @@ static int yaffs_link(struct dentry *old
- 			obj);
- 
- 	if (link) {
--		old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
-+		yaffs_set_nlink(old_dentry->d_inode,
-+				yaffs_get_obj_link_count(obj));
- 		d_instantiate(dentry, old_dentry->d_inode);
- 		atomic_inc(&old_dentry->d_inode->i_count);
- 		T(YAFFS_TRACE_OS,
-@@ -1937,11 +1960,9 @@ static int yaffs_rename(struct inode *ol
- 	yaffs_gross_unlock(dev);
- 
- 	if (retVal == YAFFS_OK) {
--		if (target) {
--			new_dentry->d_inode->i_nlink--;
--			mark_inode_dirty(new_dentry->d_inode);
--		}
--		
-+		if (target)
-+			yaffs_dec_link_count(new_dentry->d_inode);
-+
- 		update_dir_time(old_dir);
- 		if(old_dir != new_dir)
- 			update_dir_time(new_dir);
diff --git a/target/linux/generic/patches-3.12/507-yaffs-3.3_fix.patch b/target/linux/generic/patches-3.12/507-yaffs-3.3_fix.patch
deleted file mode 100644
index d823fc4..0000000
--- a/target/linux/generic/patches-3.12/507-yaffs-3.3_fix.patch
+++ /dev/null
@@ -1,71 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -273,8 +273,13 @@ static int yaffs_sync_object(struct file
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
- 
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			struct nameidata *n);
-+#else
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- 			struct nameidata *n);
-+#endif
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- 					struct nameidata *n);
- #else
-@@ -286,9 +291,17 @@ static int yaffs_link(struct dentry *old
- static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
- static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- 			const char *symname);
-+
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
-+#else
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
-+#endif
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			dev_t dev);
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- 			dev_t dev);
- #else
-@@ -1679,7 +1692,10 @@ out:
- #define YCRED(x) (x->cred)
- #endif
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			dev_t rdev)
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- 			dev_t rdev)
- #else
-@@ -1769,7 +1785,11 @@ static int yaffs_mknod(struct inode *dir
- 	return error;
- }
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
-+#else
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
-+#endif
- {
- 	int retVal;
- 	T(YAFFS_TRACE_OS, (TSTR("yaffs_mkdir\n")));
-@@ -1777,7 +1797,10 @@ static int yaffs_mkdir(struct inode *dir
- 	return retVal;
- }
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			struct nameidata *n)
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- 			struct nameidata *n)
- #else
diff --git a/target/linux/generic/patches-3.12/508-yaffs-3.3-use-mtd_-helpers.patch b/target/linux/generic/patches-3.12/508-yaffs-3.3-use-mtd_-helpers.patch
deleted file mode 100644
index 65d45a0..0000000
--- a/target/linux/generic/patches-3.12/508-yaffs-3.3-use-mtd_-helpers.patch
+++ /dev/null
@@ -1,160 +0,0 @@
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
-@@ -133,7 +133,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
- 	ops.datbuf = (__u8 *)data;
- 	ops.oobbuf = (__u8 *)&pt1;
- 
--	retval = mtd->write_oob(mtd, addr, &ops);
-+	retval = mtd_write_oob(mtd, addr, &ops);
- 	if (retval) {
- 		T(YAFFS_TRACE_MTD,
- 			(TSTR("write_oob failed, chunk %d, mtd error %d"TENDSTR),
-@@ -194,7 +194,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- 	/* Read page and oob using MTD.
- 	 * Check status and determine ECC result.
- 	 */
--	retval = mtd->read_oob(mtd, addr, &ops);
-+	retval = mtd_read_oob(mtd, addr, &ops);
- 	if (retval) {
- 		T(YAFFS_TRACE_MTD,
- 			(TSTR("read_oob failed, chunk %d, mtd error %d"TENDSTR),
-@@ -218,7 +218,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- 		/* fall into... */
- 	default:
- 		rettags(etags, YAFFS_ECC_RESULT_UNFIXED, 0);
--		etags->block_bad = (mtd->block_isbad)(mtd, addr);
-+		etags->block_bad = mtd_block_isbad(mtd, addr);
- 		return YAFFS_FAIL;
- 	}
- 
-@@ -286,7 +286,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf
- 
- 	T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), block_no));
- 
--	retval = mtd->block_markbad(mtd, (loff_t)blocksize * block_no);
-+	retval = mtd_block_markbad(mtd, (loff_t)blocksize * block_no);
- 	return (retval) ? YAFFS_FAIL : YAFFS_OK;
- }
- 
-@@ -336,7 +336,7 @@ int nandmtd1_QueryNANDBlock(struct yaffs
- 		return YAFFS_FAIL;
- 
- 	retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
--	etags.block_bad = (mtd->block_isbad)(mtd, addr);
-+	etags.block_bad = mtd_block_isbad(mtd, addr);
- 	if (etags.block_bad) {
- 		T(YAFFS_TRACE_BAD_BLOCKS,
- 			(TSTR("block %d is marked bad"TENDSTR), block_no));
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -2607,8 +2607,8 @@ static void yaffs_MTDPutSuper(struct sup
- {
- 	struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_SuperToDevice(sb));
- 
--	if (mtd->sync)
--		mtd->sync(mtd);
-+	if (mtd)
-+		mtd_sync(mtd);
- 
- 	put_mtd_device(mtd);
- }
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
-@@ -77,7 +77,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- 	ops.ooboffs = 0;
- 	ops.datbuf = (__u8 *)data;
- 	ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr;
--	retval = mtd->write_oob(mtd, addr, &ops);
-+	retval = mtd_write_oob(mtd, addr, &ops);
- 
- #else
- 	if (!dev->param.inband_tags) {
-@@ -133,7 +133,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- 
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- 	if (dev->param.inband_tags || (data && !tags))
--		retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk,
-+		retval = mtd_read(mtd, addr, dev->param.total_bytes_per_chunk,
- 				&dummy, data);
- 	else if (tags) {
- 		ops.mode = MTD_OPS_AUTO_OOB;
-@@ -142,7 +142,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- 		ops.ooboffs = 0;
- 		ops.datbuf = data;
- 		ops.oobbuf = yaffs_dev_to_lc(dev)->spareBuffer;
--		retval = mtd->read_oob(mtd, addr, &ops);
-+		retval = mtd_read_oob(mtd, addr, &ops);
- 	}
- #else
- 	if (!dev->param.inband_tags && data && tags) {
-@@ -201,7 +201,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- 	  (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), block_no));
- 
- 	retval =
--	    mtd->block_markbad(mtd,
-+	    mtd_block_markbad(mtd,
- 			       block_no * dev->param.chunks_per_block *
- 			       dev->param.total_bytes_per_chunk);
- 
-@@ -221,7 +221,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
- 	T(YAFFS_TRACE_MTD,
- 	  (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), block_no));
- 	retval =
--	    mtd->block_isbad(mtd,
-+	    mtd_block_isbad(mtd,
- 			     block_no * dev->param.chunks_per_block *
- 			     dev->param.total_bytes_per_chunk);
- 
---- a/fs/yaffs2/yaffs_mtdif.h
-+++ b/fs/yaffs2/yaffs_mtdif.h
-@@ -31,4 +31,39 @@ int nandmtd_InitialiseNAND(yaffs_dev_t *
- #define MTD_OPS_AUTO_OOB 	MTD_OOB_AUTO
- #endif
- 
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0))
-+static inline int mtd_erase(struct mdt_info *mtd, struct erase_info *ei)
-+{
-+	return mtd->erase(mtd, ei);
-+}
-+
-+static inline int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs)
-+{
-+	return mtd->block_mark_bad(mtd, ofs);
-+}
-+
-+static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
-+{
-+	return mtd->block_is_bad(mtd, ofs);
-+}
-+
-+static inline int mtd_read_oob(struct mtd_info *mtd, loff_t from,
-+			       struct mtd_oob_ops *ops)
-+{
-+	return mtd->read_oob(mtd, from, ops);
-+}
-+
-+static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
-+				struct mtd_oob_ops *ops)
-+{
-+	return mtd->write_oob(mtd, to, ops);
-+}
-+
-+static inline void mtd_sync(struct mtd_info *mtd)
-+{
-+	if (mtd->sync)
-+		mtd->sync(mtd);
-+}
-+#endif
-+
- #endif
---- a/fs/yaffs2/yaffs_mtdif.c
-+++ b/fs/yaffs2/yaffs_mtdif.c
-@@ -41,7 +41,7 @@ int nandmtd_EraseBlockInNAND(yaffs_dev_t
- 	ei.callback = NULL;
- 	ei.priv = (u_long) dev;
- 
--	retval = mtd->erase(mtd, &ei);
-+	retval = mtd_erase(mtd, &ei);
- 
- 	if (retval == 0)
- 		return YAFFS_OK;
diff --git a/target/linux/generic/patches-3.12/509-yaffs-3.4-add-underscore-to-mtd-internal-names.patch b/target/linux/generic/patches-3.12/509-yaffs-3.4-add-underscore-to-mtd-internal-names.patch
deleted file mode 100644
index 14f342d..0000000
--- a/target/linux/generic/patches-3.12/509-yaffs-3.4-add-underscore-to-mtd-internal-names.patch
+++ /dev/null
@@ -1,72 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -2793,6 +2793,15 @@ static struct super_block *yaffs_interna
- 		return NULL;
- 	}
- 
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)
-+	T(YAFFS_TRACE_OS, (TSTR(" erase %p\n"), mtd->_erase));
-+	T(YAFFS_TRACE_OS, (TSTR(" read %p\n"), mtd->_read));
-+	T(YAFFS_TRACE_OS, (TSTR(" write %p\n"), mtd->_write));
-+	T(YAFFS_TRACE_OS, (TSTR(" readoob %p\n"), mtd->_read_oob));
-+	T(YAFFS_TRACE_OS, (TSTR(" writeoob %p\n"), mtd->_write_oob));
-+	T(YAFFS_TRACE_OS, (TSTR(" block_isbad %p\n"), mtd->_block_isbad));
-+	T(YAFFS_TRACE_OS, (TSTR(" block_markbad %p\n"), mtd->_block_markbad));
-+#else
- 	T(YAFFS_TRACE_OS, (TSTR(" erase %p\n"), mtd->erase));
- 	T(YAFFS_TRACE_OS, (TSTR(" read %p\n"), mtd->read));
- 	T(YAFFS_TRACE_OS, (TSTR(" write %p\n"), mtd->write));
-@@ -2800,6 +2809,7 @@ static struct super_block *yaffs_interna
- 	T(YAFFS_TRACE_OS, (TSTR(" writeoob %p\n"), mtd->write_oob));
- 	T(YAFFS_TRACE_OS, (TSTR(" block_isbad %p\n"), mtd->block_isbad));
- 	T(YAFFS_TRACE_OS, (TSTR(" block_markbad %p\n"), mtd->block_markbad));
-+#endif
- 	T(YAFFS_TRACE_OS, (TSTR(" %s %d\n"), WRITE_SIZE_STR, WRITE_SIZE(mtd)));
- 	T(YAFFS_TRACE_OS, (TSTR(" oobsize %d\n"), mtd->oobsize));
- 	T(YAFFS_TRACE_OS, (TSTR(" erasesize %d\n"), mtd->erasesize));
-@@ -2828,6 +2838,15 @@ static struct super_block *yaffs_interna
- 
- 	if (yaffs_version == 2) {
- 		/* Check for version 2 style functions */
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
-+		if (!mtd->_erase ||
-+		    !mtd->_block_isbad ||
-+		    !mtd->_block_markbad ||
-+		    !mtd->_read ||
-+		    !mtd->_write ||
-+		    !mtd->_read_oob ||
-+		    !mtd->_write_oob) {
-+#else
- 		if (!mtd->erase ||
- 		    !mtd->block_isbad ||
- 		    !mtd->block_markbad ||
-@@ -2839,6 +2858,7 @@ static struct super_block *yaffs_interna
- 		    !mtd->write_ecc ||
- 		    !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
- #endif
-+#endif
- 			T(YAFFS_TRACE_ALWAYS,
- 			  (TSTR("yaffs: MTD device does not support required "
- 			   "functions\n")));
-@@ -2855,6 +2875,13 @@ static struct super_block *yaffs_interna
- 		}
- 	} else {
- 		/* Check for V1 style functions */
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
-+		if (!mtd->_erase ||
-+		    !mtd->_read ||
-+		    !mtd->_write ||
-+		    !mtd->_read_oob ||
-+		    !mtd->_write_oob) {
-+#else
- 		if (!mtd->erase ||
- 		    !mtd->read ||
- 		    !mtd->write ||
-@@ -2864,6 +2891,7 @@ static struct super_block *yaffs_interna
- 		    !mtd->write_ecc ||
- 		    !mtd->read_ecc || !mtd->read_oob || !mtd->write_oob) {
- #endif
-+#endif
- 			T(YAFFS_TRACE_ALWAYS,
- 			  (TSTR("yaffs: MTD device does not support required "
- 			   "functions\n")));
diff --git a/target/linux/generic/patches-3.12/510-yaffs-3.4-use-d_make_root.patch b/target/linux/generic/patches-3.12/510-yaffs-3.4-use-d_make_root.patch
deleted file mode 100644
index 0ef59d6..0000000
--- a/target/linux/generic/patches-3.12/510-yaffs-3.4-use-d_make_root.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -3119,7 +3119,11 @@ static struct super_block *yaffs_interna
- 
- 	T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: got root inode\n")));
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
-+	root = d_make_root(inode);
-+#else
- 	root = d_alloc_root(inode);
-+#endif
- 
- 	T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: d_alloc_root done\n")));
- 
diff --git a/target/linux/generic/patches-3.12/511-yaffs-3.5-use-clear_inode.patch b/target/linux/generic/patches-3.12/511-yaffs-3.5-use-clear_inode.patch
deleted file mode 100644
index f447967..0000000
--- a/target/linux/generic/patches-3.12/511-yaffs-3.5-use-clear_inode.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -924,7 +924,11 @@ static void yaffs_evict_inode( struct in
- 	if (!inode->i_nlink && !is_bad_inode(inode))
- 		deleteme = 1;
- 	truncate_inode_pages(&inode->i_data,0);
--	end_writeback(inode);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)
-+	clear_inode(inode);
-+#else
-+ 	end_writeback(inode);
-+#endif
- 
- 	if(deleteme && obj){
- 		dev = obj->my_dev;
diff --git a/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch b/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch
deleted file mode 100644
index 1ca189d..0000000
--- a/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch
+++ /dev/null
@@ -1,570 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -243,11 +243,10 @@ static inline void yaffs_dec_link_count(
- }
- #endif
- 
--
- #define update_dir_time(dir) do {\
- 			(dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
- 		} while(0)
--		
-+
- static void yaffs_put_super(struct super_block *sb);
- 
- static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
-@@ -397,6 +396,33 @@ static struct address_space_operations y
- #endif
- };
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
-+#define YCRED_FSUID()	from_kuid(&init_user_ns, current_fsuid())
-+#define YCRED_FSGID()	from_kgid(&init_user_ns, current_fsgid())
-+#else
-+#define YCRED_FSUID()	YCRED(current)->fsuid
-+#define YCRED_FSGID()	YCRED(current)->fsgid
-+
-+static inline uid_t i_uid_read(const struct inode *inode)
-+{
-+	return inode->i_uid;
-+}
-+
-+static inline gid_t i_gid_read(const struct inode *inode)
-+{
-+	return inode->i_gid;
-+}
-+
-+static inline void i_uid_write(struct inode *inode, uid_t uid)
-+{
-+	inode->i_uid = uid;
-+}
-+
-+static inline void i_gid_write(struct inode *inode, gid_t gid)
-+{
-+	inode->i_gid = gid;
-+}
-+#endif
- 
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
- static const struct file_operations yaffs_file_operations = {
-@@ -549,7 +575,7 @@ static unsigned yaffs_gc_control_callbac
- {
- 	return yaffs_gc_control;
- }
--                	                                                                                          	
-+
- static void yaffs_gross_lock(yaffs_dev_t *dev)
- {
- 	T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
-@@ -1379,8 +1405,8 @@ static void yaffs_fill_inode_from_obj(st
- 
- 		inode->i_ino = obj->obj_id;
- 		inode->i_mode = obj->yst_mode;
--		inode->i_uid = obj->yst_uid;
--		inode->i_gid = obj->yst_gid;
-+		i_uid_write(inode, obj->yst_uid);
-+		i_gid_write(inode, obj->yst_gid);
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- 		inode->i_blksize = inode->i_sb->s_blocksize;
- #endif
-@@ -1406,7 +1432,7 @@ static void yaffs_fill_inode_from_obj(st
- 
- 		T(YAFFS_TRACE_OS,
- 			(TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
--			inode->i_mode, inode->i_uid, inode->i_gid,
-+			inode->i_mode, i_uid_read(inode), i_gid_read(inode),
- 			(int)inode->i_size, atomic_read(&inode->i_count)));
- 
- 		switch (obj->yst_mode & S_IFMT) {
-@@ -1715,8 +1741,8 @@ static int yaffs_mknod(struct inode *dir
- 	yaffs_obj_t *parent = yaffs_InodeToObject(dir);
- 
- 	int error = -ENOSPC;
--	uid_t uid = YCRED(current)->fsuid;
--	gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-+	uid_t uid = YCRED_FSUID();
-+	gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
- 
- 	if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
- 		mode |= S_ISGID;
-@@ -1892,8 +1918,8 @@ static int yaffs_symlink(struct inode *d
- {
- 	yaffs_obj_t *obj;
- 	yaffs_dev_t *dev;
--	uid_t uid = YCRED(current)->fsuid;
--	gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-+	uid_t uid = YCRED_FSUID();
-+	gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
- 
- 	T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
- 
-@@ -2009,7 +2035,7 @@ static int yaffs_setattr(struct dentry *
- 		(TSTR("yaffs_setattr of object %d\n"),
- 		yaffs_InodeToObject(inode)->obj_id));
- 
--	/* Fail if a requested resize >= 2GB */		
-+	/* Fail if a requested resize >= 2GB */
- 	if (attr->ia_valid & ATTR_SIZE &&
- 		(attr->ia_size >> 31))
- 		error = -EINVAL;
-@@ -2240,7 +2266,7 @@ static void yaffs_flush_inodes(struct su
- {
- 	struct inode *iptr;
- 	yaffs_obj_t *obj;
--	
-+
- 	list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){
- 		obj = yaffs_InodeToObject(iptr);
- 		if(obj){
-@@ -2254,10 +2280,10 @@ static void yaffs_flush_inodes(struct su
- 
- static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
- {
--	yaffs_dev_t *dev = yaffs_SuperToDevice(sb);	
-+	yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
- 	if(!dev)
- 		return;
--	
-+
- 	yaffs_flush_inodes(sb);
- 	yaffs_update_dirty_dirs(dev);
- 	yaffs_flush_whole_cache(dev);
-@@ -2325,7 +2351,7 @@ static int yaffs_do_sync_fs(struct super
-  * yaffs_bg_start() launches the background thread.
-  * yaffs_bg_stop() cleans up the background thread.
-  *
-- * NB: 
-+ * NB:
-  * The thread should only run after the yaffs is initialised
-  * The thread should be stopped before yaffs is unmounted.
-  * The thread should not do any writing while the fs is in read only.
-@@ -2924,7 +2950,7 @@ static struct super_block *yaffs_interna
- 
- 	dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL);
- 	context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL);
--	
-+
- 	if(!dev || !context ){
- 		if(dev)
- 			kfree(dev);
-@@ -2957,7 +2983,7 @@ static struct super_block *yaffs_interna
- #else
- 	sb->u.generic_sbp = dev;
- #endif
--	
-+
- 	dev->driver_context = mtd;
- 	param->name = mtd->name;
- 
-@@ -3057,7 +3083,7 @@ static struct super_block *yaffs_interna
- 	param->gc_control = yaffs_gc_control_callback;
- 
- 	yaffs_dev_to_lc(dev)->superBlock= sb;
--	
-+
- 
- #ifndef CONFIG_YAFFS_DOES_ECC
- 	param->use_nand_ecc = 1;
-@@ -3099,10 +3125,10 @@ static struct super_block *yaffs_interna
- 	T(YAFFS_TRACE_OS,
- 	  (TSTR("yaffs_read_super: guts initialised %s\n"),
- 	   (err == YAFFS_OK) ? "OK" : "FAILED"));
--	   
-+
- 	if(err == YAFFS_OK)
- 		yaffs_bg_start(dev);
--		
-+
- 	if(!context->bgThread)
- 		param->defered_dir_update = 0;
- 
-@@ -3345,7 +3371,7 @@ static int yaffs_proc_read(char *page,
- 		buf += sprintf(buf,"\n");
- 	else {
- 		step-=2;
--		
-+
- 		mutex_lock(&yaffs_context_lock);
- 
- 		/* Locate and print the Nth entry.  Order N-squared but N is small. */
-@@ -3362,7 +3388,7 @@ static int yaffs_proc_read(char *page,
- 				buf = yaffs_dump_dev_part0(buf, dev);
- 			} else
- 				buf = yaffs_dump_dev_part1(buf, dev);
--			
-+
- 			break;
- 		}
- 		mutex_unlock(&yaffs_context_lock);
-@@ -3389,7 +3415,7 @@ static int yaffs_stats_proc_read(char *p
- 		int erasedChunks;
- 
- 		erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
--		
-+
- 		buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n",
- 				n, dev->n_free_chunks, erasedChunks,
- 				dev->bg_gcs, dev->oldest_dirty_gc_count,
---- a/fs/yaffs2/yaffs_guts.c
-+++ b/fs/yaffs2/yaffs_guts.c
-@@ -370,7 +370,7 @@ static int yaffs_verify_chunk_written(ya
- 	yaffs_ext_tags tempTags;
- 	__u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__);
- 	int result;
--	
-+
- 	result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags);
- 	if(memcmp(buffer,data,dev->data_bytes_per_chunk) ||
- 		tempTags.obj_id != tags->obj_id ||
-@@ -424,7 +424,7 @@ static int yaffs_write_new_chunk(struct
- 		 * lot of checks that are most likely not needed.
- 		 *
- 		 * Mods to the above
--		 * If an erase check fails or the write fails we skip the 
-+		 * If an erase check fails or the write fails we skip the
- 		 * rest of the block.
- 		 */
- 
-@@ -486,7 +486,7 @@ static int yaffs_write_new_chunk(struct
- }
- 
- 
-- 
-+
- /*
-  * Block retiring for handling a broken block.
-  */
-@@ -496,7 +496,7 @@ static void yaffs_retire_block(yaffs_dev
- 	yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block);
- 
- 	yaffs2_checkpt_invalidate(dev);
--	
-+
- 	yaffs2_clear_oldest_dirty_seq(dev,bi);
- 
- 	if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) {
-@@ -899,7 +899,7 @@ static int yaffs_find_chunk_in_group(yaf
- 	for (j = 0; theChunk && j < dev->chunk_grp_size; j++) {
- 		if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block,
- 				theChunk % dev->param.chunks_per_block)) {
--			
-+
- 			if(dev->chunk_grp_size == 1)
- 				return theChunk;
- 			else {
-@@ -1802,7 +1802,7 @@ int yaffs_rename_obj(yaffs_obj_t *old_di
- 		yaffs_update_parent(old_dir);
- 		if(new_dir != old_dir)
- 			yaffs_update_parent(new_dir);
--		
-+
- 		return result;
- 	}
- 	return YAFFS_FAIL;
-@@ -2125,7 +2125,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
- 
- 	if(bi->block_state == YAFFS_BLOCK_STATE_FULL)
- 		bi->block_state = YAFFS_BLOCK_STATE_COLLECTING;
--	
-+
- 	bi->has_shrink_hdr = 0;	/* clear the flag so that the block can erase */
- 
- 	dev->gc_disable = 1;
-@@ -2207,7 +2207,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
- 					 * No need to copy this, just forget about it and
- 					 * fix up the object.
- 					 */
--					 
-+
- 					/* Free chunks already includes softdeleted chunks.
- 					 * How ever this chunk is going to soon be really deleted
- 					 * which will increment free chunks.
-@@ -2752,7 +2752,7 @@ int yaffs_put_chunk_in_file(yaffs_obj_t
- 					NULL);
- 	if (!tn)
- 		return YAFFS_FAIL;
--	
-+
- 	if(!nand_chunk)
- 		/* Dummy insert, bail now */
- 		return YAFFS_OK;
-@@ -2881,7 +2881,7 @@ void yaffs_chunk_del(yaffs_dev_t *dev, i
- 			 chunk_id));
- 
- 	bi = yaffs_get_block_info(dev, block);
--	
-+
- 	yaffs2_update_oldest_dirty_seq(dev, block, bi);
- 
- 	T(YAFFS_TRACE_DELETION,
-@@ -2966,8 +2966,8 @@ static int yaffs_wr_data_obj(yaffs_obj_t
- 		(TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes));
- 		YBUG();
- 	}
--	
--		
-+
-+
- 	newChunkId =
- 	    yaffs_write_new_chunk(dev, buffer, &newTags,
- 					      useReserve);
-@@ -3795,14 +3795,14 @@ int yaffs_resize_file(yaffs_obj_t *in, l
- 
- 	if (new_size == oldFileSize)
- 		return YAFFS_OK;
--		
-+
- 	if(new_size > oldFileSize){
- 		yaffs2_handle_hole(in,new_size);
- 		in->variant.file_variant.file_size = new_size;
- 	} else {
--		/* new_size < oldFileSize */ 
-+		/* new_size < oldFileSize */
- 		yaffs_resize_file_down(in, new_size);
--	} 
-+	}
- 
- 	/* Write a new object header to reflect the resize.
- 	 * show we've shrunk the file, if need be
-@@ -4231,7 +4231,7 @@ static void yaffs_strip_deleted_objs(yaf
-  * This fixes the problem where directories might have inadvertently been deleted
-  * leaving the object "hanging" without being rooted in the directory tree.
-  */
-- 
-+
- static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj)
- {
- 	return (obj == dev->del_dir ||
-@@ -4262,7 +4262,7 @@ static void yaffs_fix_hanging_objs(yaffs
- 			if (lh) {
- 				obj = ylist_entry(lh, yaffs_obj_t, hash_link);
- 				parent= obj->parent;
--				
-+
- 				if(yaffs_has_null_parent(dev,obj)){
- 					/* These directories are not hanging */
- 					hanging = 0;
-@@ -4311,7 +4311,7 @@ static void yaffs_del_dir_contents(yaffs
- 
- 	if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
- 		YBUG();
--	
-+
- 	ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
- 		if (lh) {
- 			obj = ylist_entry(lh, yaffs_obj_t, siblings);
-@@ -4325,10 +4325,10 @@ static void yaffs_del_dir_contents(yaffs
- 			/* Need to use UnlinkObject since Delete would not handle
- 			 * hardlinked objects correctly.
- 			 */
--			yaffs_unlink_obj(obj); 
-+			yaffs_unlink_obj(obj);
- 		}
- 	}
--			
-+
- }
- 
- static void yaffs_empty_l_n_f(yaffs_dev_t *dev)
-@@ -4410,7 +4410,7 @@ static void yaffs_check_obj_details_load
-  * If the directory updating is defered then yaffs_update_dirty_dirs must be
-  * called periodically.
-  */
-- 
-+
- static void yaffs_update_parent(yaffs_obj_t *obj)
- {
- 	yaffs_dev_t *dev;
-@@ -4422,8 +4422,8 @@ static void yaffs_update_parent(yaffs_ob
- 	obj->dirty = 1;
- 	obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME;
- 	if(dev->param.defered_dir_update){
--		struct ylist_head *link = &obj->variant.dir_variant.dirty; 
--	
-+		struct ylist_head *link = &obj->variant.dir_variant.dirty;
-+
- 		if(ylist_empty(link)){
- 			ylist_add(link,&dev->dirty_dirs);
- 			T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id));
-@@ -4446,7 +4446,7 @@ void yaffs_update_dirty_dirs(yaffs_dev_t
- 	while(!ylist_empty(&dev->dirty_dirs)){
- 		link = dev->dirty_dirs.next;
- 		ylist_del_init(link);
--		
-+
- 		dS=ylist_entry(link,yaffs_dir_s,dirty);
- 		oV = ylist_entry(dS,yaffs_obj_variant,dir_variant);
- 		obj = ylist_entry(oV,yaffs_obj_t,variant);
-@@ -4474,7 +4474,7 @@ static void yaffs_remove_obj_from_dir(ya
- 
- 	ylist_del_init(&obj->siblings);
- 	obj->parent = NULL;
--	
-+
- 	yaffs_verify_dir(parent);
- }
- 
-@@ -4645,7 +4645,7 @@ yaffs_obj_t *yaffs_get_equivalent_obj(ya
-  * system to share files.
-  *
-  * These automatic unicode are stored slightly differently...
-- *  - If the name can fit in the ASCII character space then they are saved as 
-+ *  - If the name can fit in the ASCII character space then they are saved as
-  *    ascii names as per above.
-  *  - If the name needs Unicode then the name is saved in Unicode
-  *    starting at oh->name[1].
-@@ -4686,7 +4686,7 @@ static void yaffs_load_name_from_oh(yaff
- 				asciiOhName++;
- 				n--;
- 			}
--		} else 
-+		} else
- 			yaffs_strncpy(name,ohName+1, bufferSize -1);
- 	} else
- #endif
-@@ -4705,7 +4705,7 @@ static void yaffs_load_oh_from_name(yaff
- 
- 		isAscii = 1;
- 		w = name;
--	
-+
- 		/* Figure out if the name will fit in ascii character set */
- 		while(isAscii && *w){
- 			if((*w) & 0xff00)
-@@ -4729,7 +4729,7 @@ static void yaffs_load_oh_from_name(yaff
- 			yaffs_strncpy(ohName+1,name, YAFFS_MAX_NAME_LENGTH -2);
- 		}
- 	}
--	else 
-+	else
- #endif
- 		yaffs_strncpy(ohName,name, YAFFS_MAX_NAME_LENGTH - 1);
- 
-@@ -4738,12 +4738,12 @@ static void yaffs_load_oh_from_name(yaff
- int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size)
- {
- 	memset(name, 0, buffer_size * sizeof(YCHAR));
--	
-+
- 	yaffs_check_obj_details_loaded(obj);
- 
- 	if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
- 		yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
--	} 
-+	}
- #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
- 	else if (obj->short_name[0]) {
- 		yaffs_strcpy(name, obj->short_name);
-@@ -4861,9 +4861,9 @@ int yaffs_set_attribs(yaffs_obj_t *obj,
- 	if (valid & ATTR_MODE)
- 		obj->yst_mode = attr->ia_mode;
- 	if (valid & ATTR_UID)
--		obj->yst_uid = attr->ia_uid;
-+		obj->yst_uid = ia_uid_read(attr);
- 	if (valid & ATTR_GID)
--		obj->yst_gid = attr->ia_gid;
-+		obj->yst_gid = ia_gid_read(attr);
- 
- 	if (valid & ATTR_ATIME)
- 		obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
-@@ -4886,9 +4886,9 @@ int yaffs_get_attribs(yaffs_obj_t *obj,
- 
- 	attr->ia_mode = obj->yst_mode;
- 	valid |= ATTR_MODE;
--	attr->ia_uid = obj->yst_uid;
-+	ia_uid_write(attr, obj->yst_uid);
- 	valid |= ATTR_UID;
--	attr->ia_gid = obj->yst_gid;
-+	ia_gid_write(attr, obj->yst_gid);
- 	valid |= ATTR_GID;
- 
- 	Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
-@@ -170,7 +170,7 @@
- #define O_RDWR		02
- #endif
- 
--#ifndef O_CREAT		
-+#ifndef O_CREAT
- #define O_CREAT 	0100
- #endif
- 
-@@ -218,7 +218,7 @@
- #define EACCES	13
- #endif
- 
--#ifndef EXDEV	
-+#ifndef EXDEV
- #define EXDEV	18
- #endif
- 
-@@ -281,7 +281,7 @@
- #define S_IFREG		0100000
- #endif
- 
--#ifndef S_IREAD 
-+#ifndef S_IREAD
- #define S_IREAD		0000400
- #endif
- 
---- a/fs/yaffs2/devextras.h
-+++ b/fs/yaffs2/devextras.h
-@@ -87,6 +87,8 @@ struct iattr {
- 	unsigned int ia_attr_flags;
- };
- 
-+/* TODO: add ia_* functions */
-+
- #endif
- 
- #else
-@@ -95,7 +97,48 @@ struct iattr {
- #include <linux/fs.h>
- #include <linux/stat.h>
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
-+static inline uid_t ia_uid_read(const struct iattr *iattr)
-+{
-+	return from_kuid(&init_user_ns, iattr->ia_uid);
-+}
-+
-+static inline gid_t ia_gid_read(const struct iattr *iattr)
-+{
-+	return from_kgid(&init_user_ns, iattr->ia_gid);
-+}
-+
-+static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
-+{
-+	iattr->ia_uid = make_kuid(&init_user_ns, uid);
-+}
-+
-+static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
-+{
-+	iattr->ia_gid = make_kgid(&init_user_ns, gid);
-+}
-+#else
-+static inline uid_t ia_uid_read(const struct iattr *iattr)
-+{
-+	return iattr->ia_uid;
-+}
-+
-+static inline gid_t ia_gid_read(const struct iattr *inode)
-+{
-+	return iattr->ia_gid;
-+}
-+
-+static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
-+{
-+	iattr->ia_uid = uid;
-+}
-+
-+static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
-+{
-+	iattr->ia_gid = gid;
-+}
- #endif
- 
-+#endif
- 
- #endif
diff --git a/target/linux/generic/patches-3.12/513-yaffs-3.6-fix-dir_inode-ops.patch b/target/linux/generic/patches-3.12/513-yaffs-3.6-fix-dir_inode-ops.patch
deleted file mode 100644
index 220927a..0000000
--- a/target/linux/generic/patches-3.12/513-yaffs-3.6-fix-dir_inode-ops.patch
+++ /dev/null
@@ -1,60 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -271,20 +271,29 @@ static int yaffs_sync_object(struct file
- 
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
- 
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
--#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			bool excl);
-+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- 			struct nameidata *n);
--#else
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- 			struct nameidata *n);
-+#else
-+static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
- #endif
-+
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-+					unsigned int flags);
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- 					struct nameidata *n);
- #else
--static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
- #endif
-+
- static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- 			struct dentry *dentry);
- static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
-@@ -837,7 +846,10 @@ struct inode *yaffs_get_inode(struct sup
- /*
-  * Lookup is used to find objects in the fs
-  */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-+				   unsigned int flags)
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- 
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- 				struct nameidata *n)
-@@ -1827,7 +1839,10 @@ static int yaffs_mkdir(struct inode *dir
- 	return retVal;
- }
- 
--#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-+			bool excl)
-+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- 			struct nameidata *n)
- #elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
diff --git a/target/linux/generic/patches-3.12/514-yaffs-3.6-use-delayed-work-instead-of-write_super.patch b/target/linux/generic/patches-3.12/514-yaffs-3.6-use-delayed-work-instead-of-write_super.patch
deleted file mode 100644
index c6ecddf..0000000
--- a/target/linux/generic/patches-3.12/514-yaffs-3.6-use-delayed-work-instead-of-write_super.patch
+++ /dev/null
@@ -1,180 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -393,6 +393,84 @@ static void yaffs_touch_super(yaffs_dev_
- static int yaffs_vfs_setattr(struct inode *, struct iattr *);
- 
- 
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+
-+#define yaffs_super_to_dev(sb)    ((struct yaffs_dev_s *)sb->s_fs_info)
-+
-+static inline struct yaffs_LinuxContext *
-+yaffs_sb_to_ylc(struct super_block *sb)
-+{
-+	struct yaffs_dev_s *ydev;
-+	struct yaffs_LinuxContext *ylc;
-+
-+	ydev = yaffs_super_to_dev(sb);
-+	ylc = yaffs_dev_to_lc(ydev);
-+	return ylc;
-+}
-+
-+static inline struct super_block *yaffs_work_to_sb(struct work_struct *work)
-+{
-+	struct delayed_work *dwork;
-+	struct yaffs_LinuxContext *ylc;
-+
-+	dwork = container_of(work, struct delayed_work, work);
-+	ylc = container_of(dwork, struct yaffs_LinuxContext, sb_sync_dwork);
-+	return ylc->superBlock;
-+}
-+
-+static void yaffs_sb_sync_dwork_func(struct work_struct *work)
-+{
-+	struct super_block *sb = yaffs_work_to_sb(work);
-+
-+	yaffs_write_super(sb);
-+}
-+
-+static void yaffs_init_sb_sync_dwork(struct yaffs_LinuxContext *ylc)
-+{
-+	INIT_DELAYED_WORK(&ylc->sb_sync_dwork, yaffs_sb_sync_dwork_func);
-+}
-+
-+static void yaffs_cancel_sb_sync_dwork(struct super_block *sb)
-+{
-+	struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+	cancel_delayed_work_sync(&ylc->sb_sync_dwork);
-+}
-+
-+static inline bool yaffs_sb_is_dirty(struct super_block *sb)
-+{
-+	struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+	return !!ylc->sb_dirty;
-+}
-+
-+static inline void yaffs_sb_set_dirty(struct super_block *sb, int dirty)
-+{
-+	struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+	if (ylc->sb_dirty == dirty)
-+		return;
-+
-+	ylc->sb_dirty = dirty;
-+	if (dirty)
-+		queue_delayed_work(system_long_wq, &ylc->sb_sync_dwork,
-+				   msecs_to_jiffies(5000));
-+}
-+#else
-+static inline bool yaffs_sb_is_dirty(struct super_block *sb)
-+{
-+	return !!sb->s_dirt;
-+}
-+
-+static inline void yaffs_sb_set_dirty(struct super_block *sb, int dirty)
-+{
-+	sb->s_dirt = dirty;
-+}
-+
-+static inline void yaffs_init_sb_sync_dwork(struct yaffs_LinuxContext *ylc) {}
-+static inline void yaffs_cancel_sb_sync_dwork(struct super_block *sb) {}
-+#endif /* >= 3.6.0 */
-+
- static struct address_space_operations yaffs_file_address_operations = {
- 	.readpage = yaffs_readpage,
- 	.writepage = yaffs_writepage,
-@@ -553,7 +631,9 @@ static const struct super_operations yaf
- 	.clear_inode = yaffs_clear_inode,
- #endif
- 	.sync_fs = yaffs_sync_fs,
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
- 	.write_super = yaffs_write_super,
-+#endif
- };
- 
- 
-@@ -2340,7 +2420,7 @@ static int yaffs_do_sync_fs(struct super
- 	T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- 		(TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"),
- 		gc_urgent,
--		sb->s_dirt ? "dirty" : "clean",
-+		yaffs_sb_is_dirty(sb) ? "dirty" : "clean",
- 		request_checkpoint ? "checkpoint requested" : "no checkpoint",
- 		oneshot_checkpoint ? " one-shot" : "" ));
- 
-@@ -2349,9 +2429,9 @@ static int yaffs_do_sync_fs(struct super
- 			oneshot_checkpoint) &&
- 			!dev->is_checkpointed;
- 
--	if (sb->s_dirt || do_checkpoint) {
-+	if (yaffs_sb_is_dirty(sb) || do_checkpoint) {
- 		yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint);
--		sb->s_dirt = 0;
-+		yaffs_sb_set_dirty(sb, 0);
- 		if(oneshot_checkpoint)
- 			yaffs_auto_checkpoint &= ~4;
- 	}
-@@ -2627,6 +2707,8 @@ static void yaffs_put_super(struct super
- 
- 	yaffs_flush_super(sb,1);
- 
-+	yaffs_cancel_sb_sync_dwork(sb);
-+
- 	if (yaffs_dev_to_lc(dev)->putSuperFunc)
- 		yaffs_dev_to_lc(dev)->putSuperFunc(sb);
- 
-@@ -2665,7 +2747,7 @@ static void yaffs_touch_super(yaffs_dev_
- 
- 	T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
- 	if (sb)
--		sb->s_dirt = 1;
-+		yaffs_sb_set_dirty(sb, 1);
- }
- 
- typedef struct {
-@@ -2991,6 +3073,8 @@ static struct super_block *yaffs_interna
- 	context->dev = dev;
- 	context->superBlock = sb;
- 
-+	yaffs_init_sb_sync_dwork(context);
-+
- 	dev->read_only = read_only;
- 
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-@@ -3177,7 +3261,7 @@ static struct super_block *yaffs_interna
- 		return NULL;
- 	}
- 	sb->s_root = root;
--	sb->s_dirt = !dev->is_checkpointed;
-+	yaffs_sb_set_dirty(sb, !dev->is_checkpointed);
- 	T(YAFFS_TRACE_ALWAYS,
- 		(TSTR("yaffs_read_super: is_checkpointed %d\n"),
- 		dev->is_checkpointed));
---- a/fs/yaffs2/yaffs_linux.h
-+++ b/fs/yaffs2/yaffs_linux.h
-@@ -34,6 +34,11 @@ struct yaffs_LinuxContext {
- 
- 	struct task_struct *readdirProcess;
- 	unsigned mount_id;
-+
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+	struct delayed_work sb_sync_dwork;	/* superblock write-out work */
-+	int sb_dirty;				/* superblock is dirty */
-+#endif
- };
- 
- #define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context))
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
-@@ -49,6 +49,9 @@
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/xattr.h>
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+#include <linux/workqueue.h>
-+#endif
- 
- #define YCHAR char
- #define YUCHAR unsigned char
diff --git a/target/linux/generic/patches-3.12/515-yaffs-3.10-disable-proc-entry.patch b/target/linux/generic/patches-3.12/515-yaffs-3.10-disable-proc-entry.patch
deleted file mode 100644
index 81d1976..0000000
--- a/target/linux/generic/patches-3.12/515-yaffs-3.10-disable-proc-entry.patch
+++ /dev/null
@@ -1,45 +0,0 @@
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -3385,6 +3385,7 @@ static DECLARE_FSTYPE(yaffs2_fs_type, "y
- 
- #endif				/* CONFIG_YAFFS_YAFFS2 */
- 
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
- static struct proc_dir_entry *my_proc_entry;
- static struct proc_dir_entry *debug_proc_entry;
- 
-@@ -3668,6 +3669,7 @@ static int yaffs_proc_write(struct file
- {
-         return yaffs_proc_write_trace_options(file, buf, count, data);
- }
-+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) */
- 
- /* Stuff to handle installation of file systems */
- struct file_system_to_install {
-@@ -3699,6 +3701,7 @@ static int __init init_yaffs_fs(void)
- 
- 	mutex_init(&yaffs_context_lock);
- 
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
- 	/* Install the proc_fs entries */
- 	my_proc_entry = create_proc_entry("yaffs",
- 					       S_IRUGO | S_IFREG,
-@@ -3721,6 +3724,7 @@ static int __init init_yaffs_fs(void)
- 		debug_proc_entry->data = NULL;
- 	} else
- 		return -ENOMEM;
-+#endif
- 
- 	/* Now add the file system entries */
- 
-@@ -3757,8 +3761,10 @@ static void __exit exit_yaffs_fs(void)
- 	T(YAFFS_TRACE_ALWAYS,
- 		(TSTR("yaffs built " __DATE__ " " __TIME__ " removing. \n")));
- 
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
- 	remove_proc_entry("yaffs", YPROC_ROOT);
- 	remove_proc_entry("yaffs_stats", YPROC_ROOT);
-+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) */
- 
- 	fsinst = fs_to_install;
-