Linux-libre 4.2.1-gnupck-4.2.1-gnu

16 files changed, 532 insertions, 10 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d2445fa99..0b2394f61 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -221,7 +221,7 @@ struct pci_dev;
 
 int acpi_pci_irq_enable (struct pci_dev *dev);
 void acpi_penalize_isa_irq(int irq, int active);
-
+void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 void acpi_pci_irq_disable (struct pci_dev *dev);
 
 extern int ec_read(u8 addr, u8 *val);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d4068c17d..ccf2b6bf9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -43,7 +43,7 @@ struct blk_flush_queue;
  * Maximum number of blkcg policies allowed to be registered concurrently.
  * Defined here to simplify include dependency.
  */
-#define BLKCG_MAX_POLS		2
+#define BLKCG_MAX_POLS		3
 
 struct request;
 typedef void (rq_end_io_fn)(struct request *, int);
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index 267d681a4..e4a96fb14 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -35,10 +35,6 @@ SUBSYS(freezer)
 SUBSYS(net_cls)
 #endif
 
-#if IS_ENABLED(CONFIG_CGROUP_BFQIO)
-SUBSYS(bfqio)
-#endif
-
 #if IS_ENABLED(CONFIG_CGROUP_PERF)
 SUBSYS(perf_event)
 #endif
diff --git a/include/linux/file.h b/include/linux/file.h
index f87d30882..9a290b36b 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -19,6 +19,7 @@ struct dentry;
 struct path;
 extern struct file *alloc_file(struct path *, fmode_t mode,
 	const struct file_operations *fop);
+extern struct file *get_empty_filp(void);
 
 static inline void fput_light(struct file *file, int fput_needed)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8826cf0ff..91dcc6100 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1679,6 +1679,12 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
 			      struct iovec *fast_pointer,
 			      struct iovec **ret_pointer);
 
+typedef ssize_t (*vfs_readf_t)(struct file *, char __user *, size_t, loff_t *);
+typedef ssize_t (*vfs_writef_t)(struct file *, const char __user *, size_t,
+				loff_t *);
+vfs_readf_t vfs_readf(struct file *file);
+vfs_writef_t vfs_writef(struct file *file);
+
 extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
 extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *);
 extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index f79148261..7bb7f673c 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -645,6 +645,15 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
 #define IIO_DEGREE_TO_RAD(deg) (((deg) * 314159ULL + 9000000ULL) / 18000000ULL)
 
 /**
+ * IIO_RAD_TO_DEGREE() - Convert rad to degree
+ * @rad: A value in rad
+ *
+ * Returns the given value converted from rad to degree
+ */
+#define IIO_RAD_TO_DEGREE(rad) \
+	(((rad) * 18000000ULL + 314159ULL / 2) / 314159ULL)
+
+/**
  * IIO_G_TO_M_S_2() - Convert g to meter / second**2
  * @g: A value in g
  *
@@ -652,4 +661,12 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
  */
 #define IIO_G_TO_M_S_2(g) ((g) * 980665ULL / 100000ULL)
 
+/**
+ * IIO_M_S_2_TO_G() - Convert meter / second**2 to g
+ * @ms2: A value in meter / second**2
+ *
+ * Returns the given value converted from meter / second**2 to g
+ */
+#define IIO_M_S_2_TO_G(ms2) (((ms2) * 100000ULL + 980665ULL / 2) / 980665ULL)
+
 #endif /* _INDUSTRIAL_IO_H_ */
diff --git a/include/linux/linux_logo.h b/include/linux/linux_logo.h
index ca5bd91d1..5489dcb0f 100644
--- a/include/linux/linux_logo.h
+++ b/include/linux/linux_logo.h
@@ -37,6 +37,18 @@ extern const struct linux_logo logo_linux_vga16;
 extern const struct linux_logo logo_linux_clut224;
 extern const struct linux_logo logo_blackfin_vga16;
 extern const struct linux_logo logo_blackfin_clut224;
+extern const struct linux_logo logo_zen_clut224;
+extern const struct linux_logo logo_oldzen_clut224;
+extern const struct linux_logo logo_arch_clut224;
+extern const struct linux_logo logo_gentoo_clut224;
+extern const struct linux_logo logo_exherbo_clut224;
+extern const struct linux_logo logo_slackware_clut224;
+extern const struct linux_logo logo_debian_clut224;
+extern const struct linux_logo logo_fedorasimple_clut224;
+extern const struct linux_logo logo_fedoraglossy_clut224;
+extern const struct linux_logo logo_tits_clut224;
+extern const struct linux_logo logo_bsd_clut224;
+extern const struct linux_logo logo_fbsd_clut224;
 extern const struct linux_logo logo_dec_clut224;
 extern const struct linux_logo logo_mac_clut224;
 extern const struct linux_logo logo_parisc_clut224;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index ae930c67b..8a6e1fc37 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1201,6 +1201,28 @@ static inline int fixup_user_fault(struct task_struct *tsk,
 }
 #endif
 
+extern void vma_do_file_update_time(struct vm_area_struct *, const char[], int);
+extern struct file *vma_do_pr_or_file(struct vm_area_struct *, const char[],
+				      int);
+extern void vma_do_get_file(struct vm_area_struct *, const char[], int);
+extern void vma_do_fput(struct vm_area_struct *, const char[], int);
+
+#define vma_file_update_time(vma)	vma_do_file_update_time(vma, __func__, \
+								__LINE__)
+#define vma_pr_or_file(vma)		vma_do_pr_or_file(vma, __func__, \
+							  __LINE__)
+#define vma_get_file(vma)		vma_do_get_file(vma, __func__, __LINE__)
+#define vma_fput(vma)			vma_do_fput(vma, __func__, __LINE__)
+
+#ifndef CONFIG_MMU
+extern struct file *vmr_do_pr_or_file(struct vm_region *, const char[], int);
+extern void vmr_do_fput(struct vm_region *, const char[], int);
+
+#define vmr_pr_or_file(region)		vmr_do_pr_or_file(region, __func__, \
+							  __LINE__)
+#define vmr_fput(region)		vmr_do_fput(region, __func__, __LINE__)
+#endif /* !CONFIG_MMU */
+
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
 extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
 		void *buf, int len, int write);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 96f1ce3a3..995435f0d 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -250,6 +250,7 @@ struct vm_region {
 	unsigned long	vm_top;		/* region allocated to here */
 	unsigned long	vm_pgoff;	/* the offset in vm_file corresponding to vm_start */
 	struct file	*vm_file;	/* the backing file or NULL */
+	struct file	*vm_prfile;	/* the virtual backing file or NULL */
 
 	int		vm_usage;	/* region usage count (access under nommu_region_sem) */
 	bool		vm_icache_flushed : 1; /* true if the icache has been flushed for
@@ -314,6 +315,7 @@ struct vm_area_struct {
 	unsigned long vm_pgoff;		/* Offset (within vm_file) in PAGE_SIZE
 					   units, *not* PAGE_CACHE_SIZE */
 	struct file * vm_file;		/* File we map to (can be NULL). */
+	struct file *vm_prfile;		/* shadow of vm_file */
 	void * vm_private_data;		/* was vm_pte (shared mem) */
 
 #ifndef CONFIG_MMU
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 860c75181..1d4eb6057 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -180,6 +180,8 @@ enum pci_dev_flags {
 	PCI_DEV_FLAGS_NO_BUS_RESET = (__force pci_dev_flags_t) (1 << 6),
 	/* Do not use PM reset even if device advertises NoSoftRst- */
 	PCI_DEV_FLAGS_NO_PM_RESET = (__force pci_dev_flags_t) (1 << 7),
+	/* Get VPD from function 0 VPD */
+	PCI_DEV_FLAGS_VPD_REF_F0 = (__force pci_dev_flags_t) (1 << 8),
 };
 
 enum pci_irq_reroute_variant {
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 912a7c482..d4c727138 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -149,6 +149,41 @@ static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
 #endif
 }
 
+/**
+ * seq_show_options - display mount options with appropriate escapes.
+ * @m: the seq_file handle
+ * @name: the mount option name
+ * @value: the mount option name's value, can be NULL
+ */
+static inline void seq_show_option(struct seq_file *m, const char *name,
+				   const char *value)
+{
+	seq_putc(m, ',');
+	seq_escape(m, name, ",= \t\n\\");
+	if (value) {
+		seq_putc(m, '=');
+		seq_escape(m, value, ", \t\n\\");
+	}
+}
+
+/**
+ * seq_show_option_n - display mount options with appropriate escapes
+ *		       where @value must be a specific length.
+ * @m: the seq_file handle
+ * @name: the mount option name
+ * @value: the mount option name's value, cannot be NULL
+ * @length: the length of @value to display
+ *
+ * This is a macro since this uses "length" to define the size of the
+ * stack buffer.
+ */
+#define seq_show_option_n(m, name, value, length) {	\
+	char val_buf[length + 1];			\
+	strncpy(val_buf, value, length);		\
+	val_buf[length] = '\0';				\
+	seq_show_option(m, name, val_buf);		\
+}
+
 #define SEQ_START_TOKEN ((void *)1)
 /*
  * Helpers for iteration over list_head-s in seq_files
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 6723fec71..3ab7d1805 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -26,10 +26,13 @@ struct shmem_inode_info {
 };
 
 struct shmem_sb_info {
+	struct mutex idr_lock;
+	bool idr_nouse;
+	struct idr idr;		    /* manages inode-number */
 	unsigned long max_blocks;   /* How many blocks are allowed */
 	struct percpu_counter used_blocks;  /* How many are allocated */
-	unsigned long max_inodes;   /* How many inodes are allowed */
-	unsigned long free_inodes;  /* How many are left for allocation */
+	int max_inodes;		    /* How many inodes are allowed */
+	int free_inodes;	    /* How many are left for allocation */
 	spinlock_t stat_lock;	    /* Serialize shmem_sb_info changes */
 	kuid_t uid;		    /* Mount uid for root directory */
 	kgid_t gid;		    /* Mount gid for root directory */
diff --git a/include/linux/splice.h b/include/linux/splice.h
index da2751d3b..2e0fca67c 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -83,4 +83,10 @@ extern void splice_shrink_spd(struct splice_pipe_desc *);
 extern void spd_release_page(struct splice_pipe_desc *, unsigned int);
 
 extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
+
+extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+			   loff_t *ppos, size_t len, unsigned int flags);
+extern long do_splice_to(struct file *in, loff_t *ppos,
+			 struct pipe_inode_info *pipe, size_t len,
+			 unsigned int flags);
 #endif
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 67a4c60e1..49a6bc538 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -59,6 +59,7 @@ header-y += atmsvc.h
 header-y += atm_tcp.h
 header-y += atm_zatm.h
 header-y += audit.h
+header-y += aufs_type.h
 header-y += auto_fs4.h
 header-y += auto_fs.h
 header-y += auxvec.h
diff --git a/include/uapi/linux/aufs_type.h b/include/uapi/linux/aufs_type.h
new file mode 100644
index 000000000..a1b8204f8
--- /dev/null
+++ b/include/uapi/linux/aufs_type.h
@@ -0,0 +1,419 @@
+/*
+ * Copyright (C) 2005-2015 Junjiro R. Okajima
+ *
+ * This program, aufs is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __AUFS_TYPE_H__
+#define __AUFS_TYPE_H__
+
+#define AUFS_NAME	"aufs"
+
+#ifdef __KERNEL__
+/*
+ * define it before including all other headers.
+ * sched.h may use pr_* macros before defining "current", so define the
+ * no-current version first, and re-define later.
+ */
+#define pr_fmt(fmt)	AUFS_NAME " %s:%d: " fmt, __func__, __LINE__
+#include <linux/sched.h>
+#undef pr_fmt
+#define pr_fmt(fmt) \
+		AUFS_NAME " %s:%d:%.*s[%d]: " fmt, __func__, __LINE__, \
+		(int)sizeof(current->comm), current->comm, current->pid
+#else
+#include <stdint.h>
+#include <sys/types.h>
+#endif /* __KERNEL__ */
+
+#include <linux/limits.h>
+
+#define AUFS_VERSION	"4.x-rcN-20150921"
+
+/* todo? move this to linux-2.6.19/include/magic.h */
+#define AUFS_SUPER_MAGIC	('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
+
+/* ---------------------------------------------------------------------- */
+
+#ifdef CONFIG_AUFS_BRANCH_MAX_127
+typedef int8_t aufs_bindex_t;
+#define AUFS_BRANCH_MAX 127
+#else
+typedef int16_t aufs_bindex_t;
+#ifdef CONFIG_AUFS_BRANCH_MAX_511
+#define AUFS_BRANCH_MAX 511
+#elif defined(CONFIG_AUFS_BRANCH_MAX_1023)
+#define AUFS_BRANCH_MAX 1023
+#elif defined(CONFIG_AUFS_BRANCH_MAX_32767)
+#define AUFS_BRANCH_MAX 32767
+#endif
+#endif
+
+#ifdef __KERNEL__
+#ifndef AUFS_BRANCH_MAX
+#error unknown CONFIG_AUFS_BRANCH_MAX value
+#endif
+#endif /* __KERNEL__ */
+
+/* ---------------------------------------------------------------------- */
+
+#define AUFS_FSTYPE		AUFS_NAME
+
+#define AUFS_ROOT_INO		2
+#define AUFS_FIRST_INO		11
+
+#define AUFS_WH_PFX		".wh."
+#define AUFS_WH_PFX_LEN		((int)sizeof(AUFS_WH_PFX) - 1)
+#define AUFS_WH_TMP_LEN		4
+/* a limit for rmdir/rename a dir and copyup */
+#define AUFS_MAX_NAMELEN	(NAME_MAX \
+				- AUFS_WH_PFX_LEN * 2	/* doubly whiteouted */\
+				- 1			/* dot */\
+				- AUFS_WH_TMP_LEN)	/* hex */
+#define AUFS_XINO_FNAME		"." AUFS_NAME ".xino"
+#define AUFS_XINO_DEFPATH	"/tmp/" AUFS_XINO_FNAME
+#define AUFS_XINO_DEF_SEC	30 /* seconds */
+#define AUFS_XINO_DEF_TRUNC	45 /* percentage */
+#define AUFS_DIRWH_DEF		3
+#define AUFS_RDCACHE_DEF	10 /* seconds */
+#define AUFS_RDCACHE_MAX	3600 /* seconds */
+#define AUFS_RDBLK_DEF		512 /* bytes */
+#define AUFS_RDHASH_DEF		32
+#define AUFS_WKQ_NAME		AUFS_NAME "d"
+#define AUFS_MFS_DEF_SEC	30 /* seconds */
+#define AUFS_MFS_MAX_SEC	3600 /* seconds */
+#define AUFS_FHSM_CACHE_DEF_SEC	30 /* seconds */
+#define AUFS_PLINK_WARN		50 /* number of plinks in a single bucket */
+
+/* pseudo-link maintenace under /proc */
+#define AUFS_PLINK_MAINT_NAME	"plink_maint"
+#define AUFS_PLINK_MAINT_DIR	"fs/" AUFS_NAME
+#define AUFS_PLINK_MAINT_PATH	AUFS_PLINK_MAINT_DIR "/" AUFS_PLINK_MAINT_NAME
+
+#define AUFS_DIROPQ_NAME	AUFS_WH_PFX ".opq" /* whiteouted doubly */
+#define AUFS_WH_DIROPQ		AUFS_WH_PFX AUFS_DIROPQ_NAME
+
+#define AUFS_BASE_NAME		AUFS_WH_PFX AUFS_NAME
+#define AUFS_PLINKDIR_NAME	AUFS_WH_PFX "plnk"
+#define AUFS_ORPHDIR_NAME	AUFS_WH_PFX "orph"
+
+/* doubly whiteouted */
+#define AUFS_WH_BASE		AUFS_WH_PFX AUFS_BASE_NAME
+#define AUFS_WH_PLINKDIR	AUFS_WH_PFX AUFS_PLINKDIR_NAME
+#define AUFS_WH_ORPHDIR		AUFS_WH_PFX AUFS_ORPHDIR_NAME
+
+/* branch permissions and attributes */
+#define AUFS_BRPERM_RW		"rw"
+#define AUFS_BRPERM_RO		"ro"
+#define AUFS_BRPERM_RR		"rr"
+#define AUFS_BRATTR_COO_REG	"coo_reg"
+#define AUFS_BRATTR_COO_ALL	"coo_all"
+#define AUFS_BRATTR_FHSM	"fhsm"
+#define AUFS_BRATTR_UNPIN	"unpin"
+#define AUFS_BRATTR_ICEX	"icex"
+#define AUFS_BRATTR_ICEX_SEC	"icexsec"
+#define AUFS_BRATTR_ICEX_SYS	"icexsys"
+#define AUFS_BRATTR_ICEX_TR	"icextr"
+#define AUFS_BRATTR_ICEX_USR	"icexusr"
+#define AUFS_BRATTR_ICEX_OTH	"icexoth"
+#define AUFS_BRRATTR_WH		"wh"
+#define AUFS_BRWATTR_NLWH	"nolwh"
+#define AUFS_BRWATTR_MOO	"moo"
+
+#define AuBrPerm_RW		1		/* writable, hardlinkable wh */
+#define AuBrPerm_RO		(1 << 1)	/* readonly */
+#define AuBrPerm_RR		(1 << 2)	/* natively readonly */
+#define AuBrPerm_Mask		(AuBrPerm_RW | AuBrPerm_RO | AuBrPerm_RR)
+
+#define AuBrAttr_COO_REG	(1 << 3)	/* copy-up on open */
+#define AuBrAttr_COO_ALL	(1 << 4)
+#define AuBrAttr_COO_Mask	(AuBrAttr_COO_REG | AuBrAttr_COO_ALL)
+
+#define AuBrAttr_FHSM		(1 << 5)	/* file-based hsm */
+#define AuBrAttr_UNPIN		(1 << 6)	/* rename-able top dir of
+						   branch. meaningless since
+						   linux-3.18-rc1 */
+
+/* ignore error in copying XATTR */
+#define AuBrAttr_ICEX_SEC	(1 << 7)
+#define AuBrAttr_ICEX_SYS	(1 << 8)
+#define AuBrAttr_ICEX_TR	(1 << 9)
+#define AuBrAttr_ICEX_USR	(1 << 10)
+#define AuBrAttr_ICEX_OTH	(1 << 11)
+#define AuBrAttr_ICEX		(AuBrAttr_ICEX_SEC	\
+				 | AuBrAttr_ICEX_SYS	\
+				 | AuBrAttr_ICEX_TR	\
+				 | AuBrAttr_ICEX_USR	\
+				 | AuBrAttr_ICEX_OTH)
+
+#define AuBrRAttr_WH		(1 << 12)	/* whiteout-able */
+#define AuBrRAttr_Mask		AuBrRAttr_WH
+
+#define AuBrWAttr_NoLinkWH	(1 << 13)	/* un-hardlinkable whiteouts */
+#define AuBrWAttr_MOO		(1 << 14)	/* move-up on open */
+#define AuBrWAttr_Mask		(AuBrWAttr_NoLinkWH | AuBrWAttr_MOO)
+
+#define AuBrAttr_CMOO_Mask	(AuBrAttr_COO_Mask | AuBrWAttr_MOO)
+
+/* #warning test userspace */
+#ifdef __KERNEL__
+#ifndef CONFIG_AUFS_FHSM
+#undef AuBrAttr_FHSM
+#define AuBrAttr_FHSM		0
+#endif
+#ifndef CONFIG_AUFS_XATTR
+#undef	AuBrAttr_ICEX
+#define AuBrAttr_ICEX		0
+#undef	AuBrAttr_ICEX_SEC
+#define AuBrAttr_ICEX_SEC	0
+#undef	AuBrAttr_ICEX_SYS
+#define AuBrAttr_ICEX_SYS	0
+#undef	AuBrAttr_ICEX_TR
+#define AuBrAttr_ICEX_TR	0
+#undef	AuBrAttr_ICEX_USR
+#define AuBrAttr_ICEX_USR	0
+#undef	AuBrAttr_ICEX_OTH
+#define AuBrAttr_ICEX_OTH	0
+#endif
+#endif
+
+/* the longest combination */
+/* AUFS_BRATTR_ICEX and AUFS_BRATTR_ICEX_TR don't affect here */
+#define AuBrPermStrSz	sizeof(AUFS_BRPERM_RW			\
+			       "+" AUFS_BRATTR_COO_REG		\
+			       "+" AUFS_BRATTR_FHSM		\
+			       "+" AUFS_BRATTR_UNPIN		\
+			       "+" AUFS_BRATTR_ICEX_SEC		\
+			       "+" AUFS_BRATTR_ICEX_SYS		\
+			       "+" AUFS_BRATTR_ICEX_USR		\
+			       "+" AUFS_BRATTR_ICEX_OTH		\
+			       "+" AUFS_BRWATTR_NLWH)
+
+typedef struct {
+	char a[AuBrPermStrSz];
+} au_br_perm_str_t;
+
+static inline int au_br_writable(int brperm)
+{
+	return brperm & AuBrPerm_RW;
+}
+
+static inline int au_br_whable(int brperm)
+{
+	return brperm & (AuBrPerm_RW | AuBrRAttr_WH);
+}
+
+static inline int au_br_wh_linkable(int brperm)
+{
+	return !(brperm & AuBrWAttr_NoLinkWH);
+}
+
+static inline int au_br_cmoo(int brperm)
+{
+	return brperm & AuBrAttr_CMOO_Mask;
+}
+
+static inline int au_br_fhsm(int brperm)
+{
+	return brperm & AuBrAttr_FHSM;
+}
+
+/* ---------------------------------------------------------------------- */
+
+/* ioctl */
+enum {
+	/* readdir in userspace */
+	AuCtl_RDU,
+	AuCtl_RDU_INO,
+
+	AuCtl_WBR_FD,	/* pathconf wrapper */
+	AuCtl_IBUSY,	/* busy inode */
+	AuCtl_MVDOWN,	/* move-down */
+	AuCtl_BR,	/* info about branches */
+	AuCtl_FHSM_FD	/* connection for fhsm */
+};
+
+/* borrowed from linux/include/linux/kernel.h */
+#ifndef ALIGN
+#define ALIGN(x, a)		__ALIGN_MASK(x, (typeof(x))(a)-1)
+#define __ALIGN_MASK(x, mask)	(((x)+(mask))&~(mask))
+#endif
+
+/* borrowed from linux/include/linux/compiler-gcc3.h */
+#ifndef __aligned
+#define __aligned(x)			__attribute__((aligned(x)))
+#endif
+
+#ifdef __KERNEL__
+#ifndef __packed
+#define __packed			__attribute__((packed))
+#endif
+#endif
+
+struct au_rdu_cookie {
+	uint64_t	h_pos;
+	int16_t		bindex;
+	uint8_t		flags;
+	uint8_t		pad;
+	uint32_t	generation;
+} __aligned(8);
+
+struct au_rdu_ent {
+	uint64_t	ino;
+	int16_t		bindex;
+	uint8_t		type;
+	uint8_t		nlen;
+	uint8_t		wh;
+	char		name[0];
+} __aligned(8);
+
+static inline int au_rdu_len(int nlen)
+{
+	/* include the terminating NULL */
+	return ALIGN(sizeof(struct au_rdu_ent) + nlen + 1,
+		     sizeof(uint64_t));
+}
+
+union au_rdu_ent_ul {
+	struct au_rdu_ent __user	*e;
+	uint64_t			ul;
+};
+
+enum {
+	AufsCtlRduV_SZ,
+	AufsCtlRduV_End
+};
+
+struct aufs_rdu {
+	/* input */
+	union {
+		uint64_t	sz;	/* AuCtl_RDU */
+		uint64_t	nent;	/* AuCtl_RDU_INO */
+	};
+	union au_rdu_ent_ul	ent;
+	uint16_t		verify[AufsCtlRduV_End];
+
+	/* input/output */
+	uint32_t		blk;
+
+	/* output */
+	union au_rdu_ent_ul	tail;
+	/* number of entries which were added in a single call */
+	uint64_t		rent;
+	uint8_t			full;
+	uint8_t			shwh;
+
+	struct au_rdu_cookie	cookie;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+struct aufs_wbr_fd {
+	uint32_t	oflags;
+	int16_t		brid;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+struct aufs_ibusy {
+	uint64_t	ino, h_ino;
+	int16_t		bindex;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+/* error code for move-down */
+/* the actual message strings are implemented in aufs-util.git */
+enum {
+	EAU_MVDOWN_OPAQUE = 1,
+	EAU_MVDOWN_WHITEOUT,
+	EAU_MVDOWN_UPPER,
+	EAU_MVDOWN_BOTTOM,
+	EAU_MVDOWN_NOUPPER,
+	EAU_MVDOWN_NOLOWERBR,
+	EAU_Last
+};
+
+/* flags for move-down */
+#define AUFS_MVDOWN_DMSG	1
+#define AUFS_MVDOWN_OWLOWER	(1 << 1)	/* overwrite lower */
+#define AUFS_MVDOWN_KUPPER	(1 << 2)	/* keep upper */
+#define AUFS_MVDOWN_ROLOWER	(1 << 3)	/* do even if lower is RO */
+#define AUFS_MVDOWN_ROLOWER_R	(1 << 4)	/* did on lower RO */
+#define AUFS_MVDOWN_ROUPPER	(1 << 5)	/* do even if upper is RO */
+#define AUFS_MVDOWN_ROUPPER_R	(1 << 6)	/* did on upper RO */
+#define AUFS_MVDOWN_BRID_UPPER	(1 << 7)	/* upper brid */
+#define AUFS_MVDOWN_BRID_LOWER	(1 << 8)	/* lower brid */
+#define AUFS_MVDOWN_FHSM_LOWER	(1 << 9)	/* find fhsm attr for lower */
+#define AUFS_MVDOWN_STFS	(1 << 10)	/* req. stfs */
+#define AUFS_MVDOWN_STFS_FAILED	(1 << 11)	/* output: stfs is unusable */
+#define AUFS_MVDOWN_BOTTOM	(1 << 12)	/* output: no more lowers */
+
+/* index for move-down */
+enum {
+	AUFS_MVDOWN_UPPER,
+	AUFS_MVDOWN_LOWER,
+	AUFS_MVDOWN_NARRAY
+};
+
+/*
+ * additional info of move-down
+ * number of free blocks and inodes.
+ * subset of struct kstatfs, but smaller and always 64bit.
+ */
+struct aufs_stfs {
+	uint64_t	f_blocks;
+	uint64_t	f_bavail;
+	uint64_t	f_files;
+	uint64_t	f_ffree;
+};
+
+struct aufs_stbr {
+	int16_t			brid;	/* optional input */
+	int16_t			bindex;	/* output */
+	struct aufs_stfs	stfs;	/* output when AUFS_MVDOWN_STFS set */
+} __aligned(8);
+
+struct aufs_mvdown {
+	uint32_t		flags;			/* input/output */
+	struct aufs_stbr	stbr[AUFS_MVDOWN_NARRAY]; /* input/output */
+	int8_t			au_errno;		/* output */
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+union aufs_brinfo {
+	/* PATH_MAX may differ between kernel-space and user-space */
+	char	_spacer[4096];
+	struct {
+		int16_t	id;
+		int	perm;
+		char	path[0];
+	};
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+#define AuCtlType		'A'
+#define AUFS_CTL_RDU		_IOWR(AuCtlType, AuCtl_RDU, struct aufs_rdu)
+#define AUFS_CTL_RDU_INO	_IOWR(AuCtlType, AuCtl_RDU_INO, struct aufs_rdu)
+#define AUFS_CTL_WBR_FD		_IOW(AuCtlType, AuCtl_WBR_FD, \
+				     struct aufs_wbr_fd)
+#define AUFS_CTL_IBUSY		_IOWR(AuCtlType, AuCtl_IBUSY, struct aufs_ibusy)
+#define AUFS_CTL_MVDOWN		_IOWR(AuCtlType, AuCtl_MVDOWN, \
+				      struct aufs_mvdown)
+#define AUFS_CTL_BRINFO		_IOW(AuCtlType, AuCtl_BR, union aufs_brinfo)
+#define AUFS_CTL_FHSM_FD	_IOW(AuCtlType, AuCtl_FHSM_FD, int)
+
+#endif /* __AUFS_TYPE_H__ */
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index 061aca3a9..d34611e35 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -267,9 +267,9 @@ enum {
 #define DM_DEV_SET_GEOMETRY	_IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
 
 #define DM_VERSION_MAJOR	4
-#define DM_VERSION_MINOR	32
+#define DM_VERSION_MINOR	33
 #define DM_VERSION_PATCHLEVEL	0
-#define DM_VERSION_EXTRA	"-ioctl (2015-6-26)"
+#define DM_VERSION_EXTRA	"-ioctl (2015-8-18)"
 
 /* Status bits */
 #define DM_READONLY_FLAG	(1 << 0) /* In/Out */