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r: 115734
b: refs/heads/master
c: b064eca
h: refs/heads/master
v: v3
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Dan Williams authored and Greg Kroah-Hartman committed Oct 17, 2008
1 parent e81a015 commit fee0b6b
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: f7ea4a4ba84f382e8eb143e435551de0feee5b4b
refs/heads/master: b064eca9b0cdbb2b8f731ae2e44fa02194a1219a
32 changes: 17 additions & 15 deletions trunk/Documentation/filesystems/ext4.txt
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Expand Up @@ -2,24 +2,19 @@
Ext4 Filesystem
===============

Ext4 is an an advanced level of the ext3 filesystem which incorporates
scalability and reliability enhancements for supporting large filesystems
(64 bit) in keeping with increasing disk capacities and state-of-the-art
feature requirements.
This is a development version of the ext4 filesystem, an advanced level
of the ext3 filesystem which incorporates scalability and reliability
enhancements for supporting large filesystems (64 bit) in keeping with
increasing disk capacities and state-of-the-art feature requirements.

Mailing list: linux-ext4@vger.kernel.org
Web site: http://ext4.wiki.kernel.org
Mailing list: linux-ext4@vger.kernel.org


1. Quick usage instructions:
===========================

Note: More extensive information for getting started with ext4 can be
found at the ext4 wiki site at the URL:
http://ext4.wiki.kernel.org/index.php/Ext4_Howto

- Compile and install the latest version of e2fsprogs (as of this
writing version 1.41.3) from:
writing version 1.41) from:

http://sourceforge.net/project/showfiles.php?group_id=2406

Expand All @@ -41,9 +36,11 @@ Note: More extensive information for getting started with ext4 can be

# mke2fs -t ext4 /dev/hda1

Or to configure an existing ext3 filesystem to support extents:
Or configure an existing ext3 filesystem to support extents and set
the test_fs flag to indicate that it's ok for an in-development
filesystem to touch this filesystem:

# tune2fs -O extents /dev/hda1
# tune2fs -O extents -E test_fs /dev/hda1

If the filesystem was created with 128 byte inodes, it can be
converted to use 256 byte for greater efficiency via:
Expand Down Expand Up @@ -107,8 +104,8 @@ exist yet so I'm not sure they're in the near-term roadmap.
The big performance win will come with mballoc, delalloc and flex_bg
grouping of bitmaps and inode tables. Some test results available here:

- http://www.bullopensource.org/ext4/20080818-ffsb/ffsb-write-2.6.27-rc1.html
- http://www.bullopensource.org/ext4/20080818-ffsb/ffsb-readwrite-2.6.27-rc1.html
- http://www.bullopensource.org/ext4/20080530/ffsb-write-2.6.26-rc2.html
- http://www.bullopensource.org/ext4/20080530/ffsb-readwrite-2.6.26-rc2.html

3. Options
==========
Expand Down Expand Up @@ -217,6 +214,9 @@ noreservation
bsddf (*) Make 'df' act like BSD.
minixdf Make 'df' act like Minix.

check=none Don't do extra checking of bitmaps on mount.
nocheck

debug Extra debugging information is sent to syslog.

errors=remount-ro(*) Remount the filesystem read-only on an error.
Expand Down Expand Up @@ -253,6 +253,8 @@ nobh (a) cache disk block mapping information
"nobh" option tries to avoid associating buffer
heads (supported only for "writeback" mode).

mballoc (*) Use the multiple block allocator for block allocation
nomballoc disabled multiple block allocator for block allocation.
stripe=n Number of filesystem blocks that mballoc will try
to use for allocation size and alignment. For RAID5/6
systems this should be the number of data
Expand Down
2 changes: 1 addition & 1 deletion trunk/Documentation/video4linux/CARDLIST.au0828
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@@ -1,5 +1,5 @@
0 -> Unknown board (au0828)
1 -> Hauppauge HVR950Q (au0828) [2040:7200,2040:7210,2040:7217,2040:721b,2040:721e,2040:721f,2040:7280,0fd9:0008]
1 -> Hauppauge HVR950Q (au0828) [2040:7200,2040:7210,2040:7217,2040:721b,2040:721f,2040:7280,0fd9:0008]
2 -> Hauppauge HVR850 (au0828) [2040:7240]
3 -> DViCO FusionHDTV USB (au0828) [0fe9:d620]
4 -> Hauppauge HVR950Q rev xxF8 (au0828) [2040:7201,2040:7211,2040:7281]
Expand Down
1 change: 0 additions & 1 deletion trunk/Documentation/video4linux/CARDLIST.tuner
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Expand Up @@ -75,4 +75,3 @@ tuner=73 - Samsung TCPG 6121P30A
tuner=75 - Philips TEA5761 FM Radio
tuner=76 - Xceive 5000 tuner
tuner=77 - TCL tuner MF02GIP-5N-E
tuner=78 - Philips FMD1216MEX MK3 Hybrid Tuner
1 change: 0 additions & 1 deletion trunk/arch/x86/mm/highmem_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,6 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)

return (void*) vaddr;
}
EXPORT_SYMBOL_GPL(kmap_atomic_pfn); /* temporarily in use by i915 GEM until vmap */

struct page *kmap_atomic_to_page(void *ptr)
{
Expand Down
3 changes: 1 addition & 2 deletions trunk/drivers/gpu/drm/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
#
menuconfig DRM
tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && SHMEM
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG
help
Kernel-level support for the Direct Rendering Infrastructure (DRI)
introduced in XFree86 4.0. If you say Y here, you need to select
Expand Down Expand Up @@ -87,7 +87,6 @@ config DRM_MGA
config DRM_SIS
tristate "SiS video cards"
depends on DRM && AGP
depends on FB_SIS || FB_SIS=n
help
Choose this option if you have a SiS 630 or compatible video
chipset. If M is selected the module will be called sis. AGP
Expand Down
5 changes: 2 additions & 3 deletions trunk/drivers/gpu/drm/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,8 @@

ccflags-y := -Iinclude/drm

drm-y := drm_auth.o drm_bufs.o drm_cache.o \
drm_context.o drm_dma.o drm_drawable.o \
drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
drm-y := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
drm_drv.o drm_fops.o drm_ioctl.o drm_irq.o \
drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o
Expand Down
52 changes: 1 addition & 51 deletions trunk/drivers/gpu/drm/drm_agpsupport.c
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,6 @@

#include "drmP.h"
#include <linux/module.h>
#include <asm/agp.h>

#if __OS_HAS_AGP

Expand Down Expand Up @@ -453,53 +452,4 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
return agp_unbind_memory(handle);
}

/**
* Binds a collection of pages into AGP memory at the given offset, returning
* the AGP memory structure containing them.
*
* No reference is held on the pages during this time -- it is up to the
* caller to handle that.
*/
DRM_AGP_MEM *
drm_agp_bind_pages(struct drm_device *dev,
struct page **pages,
unsigned long num_pages,
uint32_t gtt_offset,
u32 type)
{
DRM_AGP_MEM *mem;
int ret, i;

DRM_DEBUG("\n");

mem = drm_agp_allocate_memory(dev->agp->bridge, num_pages,
type);
if (mem == NULL) {
DRM_ERROR("Failed to allocate memory for %ld pages\n",
num_pages);
return NULL;
}

for (i = 0; i < num_pages; i++)
mem->memory[i] = phys_to_gart(page_to_phys(pages[i]));
mem->page_count = num_pages;

mem->is_flushed = true;
ret = drm_agp_bind_memory(mem, gtt_offset / PAGE_SIZE);
if (ret != 0) {
DRM_ERROR("Failed to bind AGP memory: %d\n", ret);
agp_free_memory(mem);
return NULL;
}

return mem;
}
EXPORT_SYMBOL(drm_agp_bind_pages);

void drm_agp_chipset_flush(struct drm_device *dev)
{
agp_flush_chipset(dev->agp->bridge);
}
EXPORT_SYMBOL(drm_agp_chipset_flush);

#endif /* __OS_HAS_AGP */
#endif /* __OS_HAS_AGP */
69 changes: 0 additions & 69 deletions trunk/drivers/gpu/drm/drm_cache.c

This file was deleted.

6 changes: 0 additions & 6 deletions trunk/drivers/gpu/drm/drm_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -116,13 +116,7 @@ static struct drm_ioctl_desc drm_ioctls[] = {

DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0),

DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0),

DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),

DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH),
DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH),
};

#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
Expand Down
8 changes: 1 addition & 7 deletions trunk/drivers/gpu/drm/drm_fops.c
Original file line number Diff line number Diff line change
Expand Up @@ -246,7 +246,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
memset(priv, 0, sizeof(*priv));
filp->private_data = priv;
priv->filp = filp;
priv->uid = current_euid();
priv->uid = current->euid;
priv->pid = task_pid_nr(current);
priv->minor = idr_find(&drm_minors_idr, minor_id);
priv->ioctl_count = 0;
Expand All @@ -256,9 +256,6 @@ static int drm_open_helper(struct inode *inode, struct file *filp,

INIT_LIST_HEAD(&priv->lhead);

if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_open(dev, priv);

if (dev->driver->open) {
ret = dev->driver->open(dev, priv);
if (ret < 0)
Expand Down Expand Up @@ -403,9 +400,6 @@ int drm_release(struct inode *inode, struct file *filp)
dev->driver->reclaim_buffers(dev, file_priv);
}

if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_release(dev, file_priv);

drm_fasync(-1, filp, 0);

mutex_lock(&dev->ctxlist_mutex);
Expand Down
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