Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

96 files changed, 227 insertions, 90 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 6a9bb9753235..b97cdc516a8f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -41,6 +41,7 @@ header-y += baycom.h
 header-y += bfs_fs.h
 header-y += blkpg.h
 header-y += bpqether.h
+header-y += bsg.h
 header-y += can.h
 header-y += cdk.h
 header-y += chio.h
diff --git a/include/linux/aio_abi.h b/include/linux/aio_abi.h
index 9e0172931315..2c8731664180 100644
--- a/include/linux/aio_abi.h
+++ b/include/linux/aio_abi.h
@@ -27,6 +27,7 @@
 #ifndef __LINUX__AIO_ABI_H
 #define __LINUX__AIO_ABI_H
 
+#include <linux/types.h>
 #include <asm/byteorder.h>
 
 typedef unsigned long	aio_context_t;
diff --git a/include/linux/atalk.h b/include/linux/atalk.h
index e9ebac2e2ecc..d34c187432ed 100644
--- a/include/linux/atalk.h
+++ b/include/linux/atalk.h
@@ -1,6 +1,7 @@
 #ifndef __LINUX_ATALK_H__
 #define __LINUX_ATALK_H__
 
+#include <linux/types.h>
 #include <asm/byteorder.h>
 
 /*
diff --git a/include/linux/atmbr2684.h b/include/linux/atmbr2684.h
index 52bf72affbba..fdb2629b6189 100644
--- a/include/linux/atmbr2684.h
+++ b/include/linux/atmbr2684.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_ATMBR2684_H
 #define _LINUX_ATMBR2684_H
 
+#include <linux/types.h>
 #include <linux/atm.h>
 #include <linux/if.h>		/* For IFNAMSIZ */
 
diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h
index 55fa478bd639..8b49ac48a5b7 100644
--- a/include/linux/auto_fs4.h
+++ b/include/linux/auto_fs4.h
@@ -12,6 +12,7 @@
 #define _LINUX_AUTO_FS4_H
 
 /* Include common v3 definitions */
+#include <linux/types.h>
 #include <linux/auto_fs.h>
 
 /* autofs v4 definitions */
diff --git a/include/linux/bfs_fs.h b/include/linux/bfs_fs.h
index 8ed6dfdcd783..1c0b355aa515 100644
--- a/include/linux/bfs_fs.h
+++ b/include/linux/bfs_fs.h
@@ -6,6 +6,8 @@
 #ifndef _LINUX_BFS_FS_H
 #define _LINUX_BFS_FS_H
 
+#include <linux/types.h>
+
 #define BFS_BSIZE_BITS		9
 #define BFS_BSIZE		(1<<BFS_BSIZE_BITS)
 
@@ -17,7 +19,6 @@
 #define BFS_VDIR 2L
 #define BFS_VREG 1L
 
-
 /* BFS inode layout on disk */
 struct bfs_inode {
 	__le16 i_ino;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 18462c5b8fff..2aa283ab062b 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -144,7 +144,7 @@ struct bio {
  * bit 1 -- rw-ahead when set
  * bit 2 -- barrier
  *	Insert a serialization point in the IO queue, forcing previously
- *	submitted IO to be completed before this oen is issued.
+ *	submitted IO to be completed before this one is issued.
  * bit 3 -- synchronous I/O hint: the block layer will unplug immediately
  *	Note that this does NOT indicate that the IO itself is sync, just
  *	that the block layer will not postpone issue of this IO by plugging.
@@ -163,12 +163,33 @@ struct bio {
 #define BIO_RW		0	/* Must match RW in req flags (blkdev.h) */
 #define BIO_RW_AHEAD	1	/* Must match FAILFAST in req flags */
 #define BIO_RW_BARRIER	2
-#define BIO_RW_SYNC	3
-#define BIO_RW_META	4
-#define BIO_RW_DISCARD	5
-#define BIO_RW_FAILFAST_DEV		6
-#define BIO_RW_FAILFAST_TRANSPORT	7
-#define BIO_RW_FAILFAST_DRIVER		8
+#define BIO_RW_SYNCIO	3
+#define BIO_RW_UNPLUG	4
+#define BIO_RW_META	5
+#define BIO_RW_DISCARD	6
+#define BIO_RW_FAILFAST_DEV		7
+#define BIO_RW_FAILFAST_TRANSPORT	8
+#define BIO_RW_FAILFAST_DRIVER		9
+
+#define BIO_RW_SYNC	(BIO_RW_SYNCIO | BIO_RW_UNPLUG)
+
+#define bio_rw_flagged(bio, flag)	((bio)->bi_rw & (1 << (flag)))
+
+/*
+ * Old defines, these should eventually be replaced by direct usage of
+ * bio_rw_flagged()
+ */
+#define bio_barrier(bio)	bio_rw_flagged(bio, BIO_RW_BARRIER)
+#define bio_sync(bio)		bio_rw_flagged(bio, BIO_RW_SYNCIO)
+#define bio_unplug(bio)		bio_rw_flagged(bio, BIO_RW_UNPLUG)
+#define bio_failfast_dev(bio)	bio_rw_flagged(bio, BIO_RW_FAILFAST_DEV)
+#define bio_failfast_transport(bio)	\
+		bio_rw_flagged(bio, BIO_RW_FAILFAST_TRANSPORT)
+#define bio_failfast_driver(bio) 	\
+		bio_rw_flagged(bio, BIO_RW_FAILFAST_DRIVER)
+#define bio_rw_ahead(bio)	bio_rw_flagged(bio, BIO_RW_AHEAD)
+#define bio_rw_meta(bio)	bio_rw_flagged(bio, BIO_RW_META)
+#define bio_discard(bio)	bio_rw_flagged(bio, BIO_RW_DISCARD)
 
 /*
  * upper 16 bits of bi_rw define the io priority of this bio
@@ -193,15 +214,6 @@ struct bio {
 #define bio_offset(bio)		bio_iovec((bio))->bv_offset
 #define bio_segments(bio)	((bio)->bi_vcnt - (bio)->bi_idx)
 #define bio_sectors(bio)	((bio)->bi_size >> 9)
-#define bio_barrier(bio)	((bio)->bi_rw & (1 << BIO_RW_BARRIER))
-#define bio_sync(bio)		((bio)->bi_rw & (1 << BIO_RW_SYNC))
-#define bio_failfast_dev(bio)	((bio)->bi_rw &	(1 << BIO_RW_FAILFAST_DEV))
-#define bio_failfast_transport(bio)	\
-	((bio)->bi_rw & (1 << BIO_RW_FAILFAST_TRANSPORT))
-#define bio_failfast_driver(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DRIVER))
-#define bio_rw_ahead(bio)	((bio)->bi_rw & (1 << BIO_RW_AHEAD))
-#define bio_rw_meta(bio)	((bio)->bi_rw & (1 << BIO_RW_META))
-#define bio_discard(bio)	((bio)->bi_rw & (1 << BIO_RW_DISCARD))
 #define bio_empty_barrier(bio)	(bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio))
 
 static inline unsigned int bio_cur_sectors(struct bio *bio)
@@ -312,7 +324,6 @@ struct bio_integrity_payload {
 	void			*bip_buf;	/* generated integrity data */
 	bio_end_io_t		*bip_end_io;	/* saved I/O completion fn */
 
-	int			bip_error;	/* saved I/O error */
 	unsigned int		bip_size;
 
 	unsigned short		bip_pool;	/* pool the ivec came from */
@@ -440,12 +451,13 @@ extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
 
 #ifdef CONFIG_HIGHMEM
 /*
- * remember to add offset! and never ever reenable interrupts between a
- * bvec_kmap_irq and bvec_kunmap_irq!!
+ * remember never ever reenable interrupts between a bvec_kmap_irq and
+ * bvec_kunmap_irq!
  *
  * This function MUST be inlined - it plays with the CPU interrupt flags.
  */
-static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
+static __always_inline char *bvec_kmap_irq(struct bio_vec *bvec,
+		unsigned long *flags)
 {
 	unsigned long addr;
 
@@ -461,7 +473,8 @@ static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
 	return (char *) addr + bvec->bv_offset;
 }
 
-static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
+static __always_inline void bvec_kunmap_irq(char *buffer,
+		unsigned long *flags)
 {
 	unsigned long ptr = (unsigned long) buffer & PAGE_MASK;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 044467ef7b11..dcaa0fd84b02 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -108,6 +108,7 @@ enum rq_flag_bits {
 	__REQ_RW_META,		/* metadata io request */
 	__REQ_COPY_USER,	/* contains copies of user pages */
 	__REQ_INTEGRITY,	/* integrity metadata has been remapped */
+	__REQ_UNPLUG,		/* unplug queue on submission */
 	__REQ_NR_BITS,		/* stops here */
 };
 
@@ -134,6 +135,7 @@ enum rq_flag_bits {
 #define REQ_RW_META	(1 << __REQ_RW_META)
 #define REQ_COPY_USER	(1 << __REQ_COPY_USER)
 #define REQ_INTEGRITY	(1 << __REQ_INTEGRITY)
+#define REQ_UNPLUG	(1 << __REQ_UNPLUG)
 
 #define BLK_MAX_CDB	16
 
@@ -449,6 +451,11 @@ struct request_queue
 #define QUEUE_FLAG_STACKABLE   13	/* supports request stacking */
 #define QUEUE_FLAG_NONROT      14	/* non-rotational device (SSD) */
 #define QUEUE_FLAG_VIRT        QUEUE_FLAG_NONROT /* paravirt device */
+#define QUEUE_FLAG_IO_STAT     15	/* do IO stats */
+
+#define QUEUE_FLAG_DEFAULT	((1 << QUEUE_FLAG_IO_STAT) |		\
+				 (1 << QUEUE_FLAG_CLUSTER) |		\
+				 (1 << QUEUE_FLAG_STACKABLE))
 
 static inline int queue_is_locked(struct request_queue *q)
 {
@@ -565,6 +572,7 @@ enum {
 #define blk_queue_stopped(q)	test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
 #define blk_queue_nomerges(q)	test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
 #define blk_queue_nonrot(q)	test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
+#define blk_queue_io_stat(q)	test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags)
 #define blk_queue_flushing(q)	((q)->ordseq)
 #define blk_queue_stackable(q)	\
 	test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags)
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 1dba3493d520..25379cba2370 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -1,6 +1,7 @@
 #ifndef BLKTRACE_H
 #define BLKTRACE_H
 
+#include <linux/types.h>
 #ifdef __KERNEL__
 #include <linux/blkdev.h>
 #include <linux/relay.h>
diff --git a/include/linux/can/bcm.h b/include/linux/can/bcm.h
index 7f293273c444..1432b278c52d 100644
--- a/include/linux/can/bcm.h
+++ b/include/linux/can/bcm.h
@@ -14,6 +14,8 @@
 #ifndef CAN_BCM_H
 #define CAN_BCM_H
 
+#include <linux/types.h>
+
 /**
  * struct bcm_msg_head - head of messages to/from the broadcast manager
  * @opcode:    opcode, see enum below.
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 02bdb768d43b..1b9872556131 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -69,10 +69,6 @@ typedef struct __user_cap_data_struct {
 #define VFS_CAP_U32             VFS_CAP_U32_2
 #define VFS_CAP_REVISION	VFS_CAP_REVISION_2
 
-#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
-extern int file_caps_enabled;
-#endif
-
 struct vfs_cap_data {
 	__le32 magic_etc;            /* Little endian */
 	struct {
@@ -96,6 +92,10 @@ struct vfs_cap_data {
 #define _KERNEL_CAPABILITY_VERSION _LINUX_CAPABILITY_VERSION_3
 #define _KERNEL_CAPABILITY_U32S    _LINUX_CAPABILITY_U32S_3
 
+#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
+extern int file_caps_enabled;
+#endif
+
 typedef struct kernel_cap_struct {
 	__u32 cap[_KERNEL_CAPABILITY_U32S];
 } kernel_cap_t;
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 0b49e08d3cb0..78e904796622 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h