---

yaml
---
r: 321447
b: refs/heads/master
c: c43ba80
h: refs/heads/master
i:
  321445: b8cd062
  321443: aa68797
  321439: 74c2f87
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7f46f9c13041c8fde331142791f3994a8fdbec6f
+refs/heads/master: c43ba8008252d26e023f3943bb83a48641b3dec4

trunk/Documentation/DocBook/filesystems.tmpl

@@ -224,8 +224,8 @@ all your transactions.
 </para>
 
 <para>
-Then at umount time , in your put_super() you can then call journal_destroy()
-to clean up your in-core journal object.
+Then at umount time , in your put_super() (2.4) or write_super() (2.5)
+you can then call journal_destroy() to clean up your in-core journal object.
 </para>
 
 <para>

trunk/Documentation/filesystems/Locking

@@ -114,6 +114,7 @@ prototypes:
 	int (*drop_inode) (struct inode *);
 	void (*evict_inode) (struct inode *);
 	void (*put_super) (struct super_block *);
+	void (*write_super) (struct super_block *);
 	int (*sync_fs)(struct super_block *sb, int wait);
 	int (*freeze_fs) (struct super_block *);
 	int (*unfreeze_fs) (struct super_block *);
@@ -135,6 +136,7 @@ write_inode:
 drop_inode:				!!!inode->i_lock!!!
 evict_inode:
 put_super:		write
+write_super:		read
 sync_fs:		read
 freeze_fs:		write
 unfreeze_fs:		write

trunk/Documentation/filesystems/porting

@@ -94,8 +94,9 @@ protected.
 ---
 [mandatory]
 
-BKL is also moved from around sb operations. BKL should have been shifted into
-individual fs sb_op functions.  If you don't need it, remove it.
+BKL is also moved from around sb operations.  ->write_super() Is now called 
+without BKL held.  BKL should have been shifted into individual fs sb_op
+functions.  If you don't need it, remove it.  
 
 ---
 [informational]

trunk/Documentation/filesystems/vfs.txt

@@ -216,6 +216,7 @@ struct super_operations {
         void (*drop_inode) (struct inode *);
         void (*delete_inode) (struct inode *);
         void (*put_super) (struct super_block *);
+        void (*write_super) (struct super_block *);
         int (*sync_fs)(struct super_block *sb, int wait);
         int (*freeze_fs) (struct super_block *);
         int (*unfreeze_fs) (struct super_block *);
@@ -272,6 +273,9 @@ or bottom half).
   put_super: called when the VFS wishes to free the superblock
 	(i.e. unmount). This is called with the superblock lock held
 
+  write_super: called when the VFS superblock needs to be written to
+	disc. This method is optional
+
   sync_fs: called when VFS is writing out all dirty data associated with
   	a superblock. The second parameter indicates whether the method
 	should wait until the write out has been completed. Optional.

trunk/Documentation/laptops/laptop-mode.txt

@@ -262,9 +262,9 @@ MINIMUM_BATTERY_MINUTES=10
 
 #
 # Allowed dirty background ratio, in percent.  Once DIRTY_RATIO has been
-# exceeded, the kernel will wake flusher threads which will then reduce the
-# amount of dirty memory to dirty_background_ratio.  Set this nice and low,
-# so once some writeout has commenced, we do a lot of it.
+# exceeded, the kernel will wake pdflush which will then reduce the amount
+# of dirty memory to dirty_background_ratio.  Set this nice and low, so once
+# some writeout has commenced, we do a lot of it.
 #
 #DIRTY_BACKGROUND_RATIO=5
 
@@ -384,9 +384,9 @@ CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'}
 
 #
 # Allowed dirty background ratio, in percent.  Once DIRTY_RATIO has been
-# exceeded, the kernel will wake flusher threads which will then reduce the
-# amount of dirty memory to dirty_background_ratio.  Set this nice and low,
-# so once some writeout has commenced, we do a lot of it.
+# exceeded, the kernel will wake pdflush which will then reduce the amount
+# of dirty memory to dirty_background_ratio.  Set this nice and low, so once
+# some writeout has commenced, we do a lot of it.
 #
 DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'}
 

trunk/Documentation/sysctl/vm.txt

@@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required.
 
 dirty_background_bytes
 
-Contains the amount of dirty memory at which the background kernel
-flusher threads will start writeback.
+Contains the amount of dirty memory at which the pdflush background writeback
+daemon will start writeback.
 
 Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only
 one of them may be specified at a time. When one sysctl is written it is
@@ -89,7 +89,7 @@ other appears as 0 when read.
 dirty_background_ratio
 
 Contains, as a percentage of total system memory, the number of pages at which
-the background kernel flusher threads will start writing out dirty data.
+the pdflush background writeback daemon will start writing out dirty data.
 
 ==============================================================
 
@@ -112,9 +112,9 @@ retained.
 dirty_expire_centisecs
 
 This tunable is used to define when dirty data is old enough to be eligible
-for writeout by the kernel flusher threads.  It is expressed in 100'ths
-of a second.  Data which has been dirty in-memory for longer than this
-interval will be written out next time a flusher thread wakes up.
+for writeout by the pdflush daemons.  It is expressed in 100'ths of a second.
+Data which has been dirty in-memory for longer than this interval will be
+written out next time a pdflush daemon wakes up.
 
 ==============================================================
 
@@ -128,7 +128,7 @@ data.
 
 dirty_writeback_centisecs
 
-The kernel flusher threads will periodically wake up and write `old' data
+The pdflush writeback daemons will periodically wake up and write `old' data
 out to disk.  This tunable expresses the interval between those wakeups, in
 100'ths of a second.
 

trunk/arch/blackfin/kernel/setup.c

@@ -52,6 +52,7 @@ EXPORT_SYMBOL(reserved_mem_dcache_on);
 #ifdef CONFIG_MTD_UCLINUX
 extern struct map_info uclinux_ram_map;
 unsigned long memory_mtd_end, memory_mtd_start, mtd_size;
+unsigned long _ebss;
 EXPORT_SYMBOL(memory_mtd_end);
 EXPORT_SYMBOL(memory_mtd_start);
 EXPORT_SYMBOL(mtd_size);

trunk/arch/ia64/kernel/acpi.c

@@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 	srat_num_cpus++;
 }
 
-int __init
+void __init
 acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
 	unsigned long paddr, size;
@@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 
 	/* Ignore disabled entries */
 	if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
-		return -1;
+		return;
 
 	/* record this node in proximity bitmap */
 	pxm_bit_set(pxm);
@@ -531,7 +531,6 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	p->size = size;
 	p->nid = pxm;
 	num_node_memblks++;
-	return 0;
 }
 
 void __init acpi_numa_arch_fixup(void)

trunk/arch/m68k/Kconfig

@@ -54,6 +54,18 @@ config ZONE_DMA
 	bool
 	default y
 
+config CPU_HAS_NO_BITFIELDS
+	bool
+
+config CPU_HAS_NO_MULDIV64
+	bool
+
+config CPU_HAS_ADDRESS_SPACES
+	bool
+
+config FPU
+	bool
+
 config HZ
 	int
 	default 1000 if CLEOPATRA

trunk/arch/m68k/Kconfig.cpu

@@ -37,7 +37,6 @@ config M68000
 	bool
 	select CPU_HAS_NO_BITFIELDS
 	select CPU_HAS_NO_MULDIV64
-	select CPU_HAS_NO_UNALIGNED
 	select GENERIC_CSUM
 	help
 	  The Freescale (was Motorola) 68000 CPU is the first generation of
@@ -49,7 +48,6 @@ config M68000
 config MCPU32
 	bool
 	select CPU_HAS_NO_BITFIELDS
-	select CPU_HAS_NO_UNALIGNED
 	help
 	  The Freescale (was then Motorola) CPU32 is a CPU core that is
 	  based on the 68020 processor. For the most part it is used in
@@ -378,18 +376,6 @@ config NODES_SHIFT
 	default "3"
 	depends on !SINGLE_MEMORY_CHUNK
 
-config CPU_HAS_NO_BITFIELDS
-	bool
-
-config CPU_HAS_NO_MULDIV64
-	bool
-
-config CPU_HAS_NO_UNALIGNED
-	bool
-
-config CPU_HAS_ADDRESS_SPACES
-	bool
-
 config FPU
 	bool
 

trunk/arch/m68k/apollo/config.c

@@ -177,26 +177,26 @@ irqreturn_t dn_timer_int(int irq, void *dev_id)
 
 	timer_handler(irq, dev_id);
 
-	x = *(volatile unsigned char *)(apollo_timer + 3);
-	x = *(volatile unsigned char *)(apollo_timer + 5);
+	x=*(volatile unsigned char *)(timer+3);
+	x=*(volatile unsigned char *)(timer+5);
 
 	return IRQ_HANDLED;
 }
 
 void dn_sched_init(irq_handler_t timer_routine)
 {
 	/* program timer 1 */
-	*(volatile unsigned char *)(apollo_timer + 3) = 0x01;
-	*(volatile unsigned char *)(apollo_timer + 1) = 0x40;
-	*(volatile unsigned char *)(apollo_timer + 5) = 0x09;
-	*(volatile unsigned char *)(apollo_timer + 7) = 0xc4;
+	*(volatile unsigned char *)(timer+3)=0x01;
+	*(volatile unsigned char *)(timer+1)=0x40;
+	*(volatile unsigned char *)(timer+5)=0x09;
+	*(volatile unsigned char *)(timer+7)=0xc4;
 
 	/* enable IRQ of PIC B */
 	*(volatile unsigned char *)(pica+1)&=(~8);
 
 #if 0
-	printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3));
-	printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3));
+	printk("*(0x10803) %02x\n",*(volatile unsigned char *)(timer+0x3));
+	printk("*(0x10803) %02x\n",*(volatile unsigned char *)(timer+0x3));
 #endif
 
 	if (request_irq(IRQ_APOLLO, dn_timer_int, 0, "time", timer_routine))

trunk/arch/m68k/include/asm/Kbuild

@@ -1,29 +1,4 @@
 include include/asm-generic/Kbuild.asm
 header-y += cachectl.h
 
-generic-y += bitsperlong.h
-generic-y += cputime.h
-generic-y += device.h
-generic-y += emergency-restart.h
-generic-y += errno.h
-generic-y += futex.h
-generic-y += ioctl.h
-generic-y += ipcbuf.h
-generic-y += irq_regs.h
-generic-y += kdebug.h
-generic-y += kmap_types.h
-generic-y += kvm_para.h
-generic-y += local64.h
-generic-y += local.h
-generic-y += mman.h
-generic-y += mutex.h
-generic-y += percpu.h
-generic-y += resource.h
-generic-y += scatterlist.h
-generic-y += sections.h
-generic-y += siginfo.h
-generic-y += statfs.h
-generic-y += topology.h
-generic-y += types.h
 generic-y += word-at-a-time.h
-generic-y += xor.h