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-rw-r--r--include/asm-generic/io.h31
-rw-r--r--include/asm-generic/mmu.h6
-rw-r--r--include/linux/device-mapper.h55
-rw-r--r--include/linux/mlx4/device.h1
-rw-r--r--include/linux/page-flags.h8
-rw-r--r--include/linux/watchdog.h2
-rw-r--r--include/uapi/linux/dm-ioctl.h4
7 files changed, 63 insertions, 44 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index d1e93284d72a..33bbbae4ddc6 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -12,7 +12,6 @@
#define __ASM_GENERIC_IO_H
#include <asm/page.h> /* I/O is all done through memory accesses */
-#include <asm/cacheflush.h>
#include <linux/types.h>
#ifdef CONFIG_GENERIC_IOMAP
@@ -223,36 +222,6 @@ static inline void outsl(unsigned long addr, const void *buffer, int count)
}
#endif
-static inline void readsl(const void __iomem *addr, void *buf, int len)
-{
- insl(addr - PCI_IOBASE, buf, len);
-}
-
-static inline void readsw(const void __iomem *addr, void *buf, int len)
-{
- insw(addr - PCI_IOBASE, buf, len);
-}
-
-static inline void readsb(const void __iomem *addr, void *buf, int len)
-{
- insb(addr - PCI_IOBASE, buf, len);
-}
-
-static inline void writesl(const void __iomem *addr, const void *buf, int len)
-{
- outsl(addr - PCI_IOBASE, buf, len);
-}
-
-static inline void writesw(const void __iomem *addr, const void *buf, int len)
-{
- outsw(addr - PCI_IOBASE, buf, len);
-}
-
-static inline void writesb(const void __iomem *addr, const void *buf, int len)
-{
- outsb(addr - PCI_IOBASE, buf, len);
-}
-
#ifndef CONFIG_GENERIC_IOMAP
#define ioread8(addr) readb(addr)
#define ioread16(addr) readw(addr)
diff --git a/include/asm-generic/mmu.h b/include/asm-generic/mmu.h
index 4f4aa56d6b52..0ed3f1cfb854 100644
--- a/include/asm-generic/mmu.h
+++ b/include/asm-generic/mmu.h
@@ -7,8 +7,12 @@
*/
#ifndef __ASSEMBLY__
typedef struct {
- struct vm_list_struct *vmlist;
unsigned long end_brk;
+
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+ unsigned long exec_fdpic_loadmap;
+ unsigned long interp_fdpic_loadmap;
+#endif
} mm_context_t;
#endif
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 38d27a10aa5d..bf6afa2fc432 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -23,7 +23,6 @@ typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE } status_type_t;
union map_info {
void *ptr;
unsigned long long ll;
- unsigned target_request_nr;
};
/*
@@ -46,8 +45,7 @@ typedef void (*dm_dtr_fn) (struct dm_target *ti);
* = 1: simple remap complete
* = 2: The target wants to push back the io
*/
-typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio,
- union map_info *map_context);
+typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio);
typedef int (*dm_map_request_fn) (struct dm_target *ti, struct request *clone,
union map_info *map_context);
@@ -60,8 +58,7 @@ typedef int (*dm_map_request_fn) (struct dm_target *ti, struct request *clone,
* 2 : The target wants to push back the io
*/
typedef int (*dm_endio_fn) (struct dm_target *ti,
- struct bio *bio, int error,
- union map_info *map_context);
+ struct bio *bio, int error);
typedef int (*dm_request_endio_fn) (struct dm_target *ti,
struct request *clone, int error,
union map_info *map_context);
@@ -193,18 +190,30 @@ struct dm_target {
* A number of zero-length barrier requests that will be submitted
* to the target for the purpose of flushing cache.
*
- * The request number will be placed in union map_info->target_request_nr.
+ * The request number can be accessed with dm_bio_get_target_request_nr.
* It is a responsibility of the target driver to remap these requests
* to the real underlying devices.
*/
unsigned num_flush_requests;
/*
- * The number of discard requests that will be submitted to the
- * target. map_info->request_nr is used just like num_flush_requests.
+ * The number of discard requests that will be submitted to the target.
+ * The request number can be accessed with dm_bio_get_target_request_nr.
*/
unsigned num_discard_requests;
+ /*
+ * The number of WRITE SAME requests that will be submitted to the target.
+ * The request number can be accessed with dm_bio_get_target_request_nr.
+ */
+ unsigned num_write_same_requests;
+
+ /*
+ * The minimum number of extra bytes allocated in each bio for the
+ * target to use. dm_per_bio_data returns the data location.
+ */
+ unsigned per_bio_data_size;
+
/* target specific data */
void *private;
@@ -241,6 +250,36 @@ struct dm_target_callbacks {
int (*congested_fn) (struct dm_target_callbacks *, int);
};
+/*
+ * For bio-based dm.
+ * One of these is allocated for each bio.
+ * This structure shouldn't be touched directly by target drivers.
+ * It is here so that we can inline dm_per_bio_data and
+ * dm_bio_from_per_bio_data
+ */
+struct dm_target_io {
+ struct dm_io *io;
+ struct dm_target *ti;
+ union map_info info;
+ unsigned target_request_nr;
+ struct bio clone;
+};
+
+static inline void *dm_per_bio_data(struct bio *bio, size_t data_size)
+{
+ return (char *)bio - offsetof(struct dm_target_io, clone) - data_size;
+}
+
+static inline struct bio *dm_bio_from_per_bio_data(void *data, size_t data_size)
+{
+ return (struct bio *)((char *)data + data_size + offsetof(struct dm_target_io, clone));
+}
+
+static inline unsigned dm_bio_get_target_request_nr(const struct bio *bio)
+{
+ return container_of(bio, struct dm_target_io, clone)->target_request_nr;
+}
+
int dm_register_target(struct target_type *t);
void dm_unregister_target(struct target_type *t);
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 21821da2abfd..20ea939c22a6 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -625,6 +625,7 @@ struct mlx4_dev {
u8 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
int num_vfs;
+ int oper_log_mgm_entry_size;
u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
};
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b5d13841604e..70473da47b3f 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -362,7 +362,7 @@ static inline void ClearPageCompound(struct page *page)
* pages on the LRU and/or pagecache.
*/
TESTPAGEFLAG(Compound, compound)
-__PAGEFLAG(Head, compound)
+__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound)
/*
* PG_reclaim is used in combination with PG_compound to mark the
@@ -374,8 +374,14 @@ __PAGEFLAG(Head, compound)
* PG_compound & PG_reclaim => Tail page
* PG_compound & ~PG_reclaim => Head page
*/
+#define PG_head_mask ((1L << PG_compound))
#define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
+static inline int PageHead(struct page *page)
+{
+ return ((page->flags & PG_head_tail_mask) == PG_head_mask);
+}
+
static inline int PageTail(struct page *page)
{
return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask);
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 87490ac4bd87..3a9df2f43be6 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -129,7 +129,7 @@ static inline void *watchdog_get_drvdata(struct watchdog_device *wdd)
return wdd->driver_data;
}
-/* drivers/watchdog/core/watchdog_core.c */
+/* drivers/watchdog/watchdog_core.c */
extern int watchdog_register_device(struct watchdog_device *);
extern void watchdog_unregister_device(struct watchdog_device *);
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index 91e3a360f611..539b179b349c 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -268,8 +268,8 @@ enum {
#define DM_VERSION_MAJOR 4
#define DM_VERSION_MINOR 23
-#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2012-07-25)"
+#define DM_VERSION_PATCHLEVEL 1
+#define DM_VERSION_EXTRA "-ioctl (2012-12-18)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */