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2008-10-23[PATCH] Optimise NFS readdir hack slightly.David Woodhouse1-2/+3
Avoid calling the underlying ->readdir() again when we reached the end already; keep going round the loop only if we stopped due to our own buffer being full. [AV: tidy the things up a bit, while we are there] Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] prepare vfs_readdir() callers to returning filldir resultAl Viro6-41/+33
It's not the final state, but it allows moving ->readdir() instances to passing filldir return value to caller of vfs_readdir(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] get rid of on-stack dentry in ext2_get_parent()Al Viro3-20/+15
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] get rid of on-stack fake dentry in ext3_get_parent()Al Viro1-37/+33
Better pass parent and qstr to ext3_find_entry() explicitly than use such kludges, especially since the stack footprint is nasty enough and we have every chance to be deep in call chain. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[JFFS2] Reinstate NFS exportabilityDavid Woodhouse1-0/+48
Now that the readdir/lookup deadlock issues have been dealt with, we can export JFFS2 file systems again. (For now, you have to specify fsid manually; we should add a method to the export_ops to handle that too.) Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] Remove XFS buffered readdir hackDavid Woodhouse1-128/+0
Now that we've moved the readdir hack to the nfsd code, we can remove the local version from the XFS code. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] Copy XFS readdir hack into nfsd code.David Woodhouse1-15/+93
Some file systems with their own internal locking have problems with the way that nfsd calls the ->lookup() method from within a filldir function called from their ->readdir() method. The recursion back into the file system code can cause deadlock. XFS has a fairly hackish solution to this which involves doing the readdir() into a locally-allocated buffer, then going back through it calling the filldir function afterwards. It's not ideal, but it works. It's particularly suboptimal because XFS does this for local file systems too, where it's completely unnecessary. Copy this hack into the NFS code where it can be used only for NFS export. In response to feedback, use it unconditionally rather than only for the affected file systems. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] Factor out nfsd_do_readdir() into its own functionDavid Woodhouse1-16/+24
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] reduce the stack footprint of exportfs_decode_fh()Al Viro1-5/+4
no need to have _two_ 256-byte arrays on stack... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] kill d_alloc_anonChristoph Hellwig2-72/+37
Remove d_alloc_anon now that no users are left. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] switch all filesystems over to d_obtain_aliasChristoph Hellwig19-305/+78
Switch all users of d_alloc_anon to d_obtain_alias. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] new helper: d_obtain_aliasChristoph Hellwig3-24/+38
The calling conventions of d_alloc_anon are rather unfortunate for all users, and it's name is not very descriptive either. Add d_obtain_alias as a new exported helper that drops the inode reference in the failure case, too and allows to pass-through NULL pointers and inodes to allow for tail-calls in the export operations. Incidentally this helper already existed as a private function in libfs.c as exportfs_d_alloc so kill that one and switch the callers to d_obtain_alias. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] generic_file_llseek tidyupsChristoph Hellwig1-18/+40
Add kerneldoc for generic_file_llseek and generic_file_llseek_unlocked, use sane variable names and unclutter the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] tidy up chrdev_openChristoph Hellwig1-7/+14
Use a single goto label for chrdev_put + return error cases. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] hpfs: cleanup ->setattrChristoph Hellwig4-13/+22
Reformat hpfs_notify_change to standard kernel style to make it readable and rename it to hpfs_setattr as that's what the method is called. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] dm: kill lookup_device wrapperChristoph Hellwig1-15/+6
Now that lookup_bdev is exported and used by dm just use it directly instead of through a trivial wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] make O_EXCL in nd->intent.flags visible in nd->flagsAl Viro4-8/+9
New flag: LOOKUP_EXCL. Set before doing the final step of pathname resolution on the paths that have LOOKUP_CREATE and O_EXCL. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] don't pass bogus flags to LOOKUP_PARENT lookup in spufsAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] get rid of path_lookup_create()Al Viro1-39/+22
... and don't pass bogus flags when we are just looking for parent. Fold __path_lookup_intent_open() into path_lookup_open() while we are at it; that's the only remaining caller. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] get rid of nameidata in audit_treeAl Viro1-24/+24
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] assorted path_lookup() -> kern_path() conversionsAl Viro4-37/+34
more nameidata eviction Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] switch nfsd to kern_path()Al Viro4-58/+56
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] sanitize svc_export_parse()Al Viro1-42/+35
clean up the exit paths, get rid of nameidata Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] switch quota_on-related stuff to kern_path()Al Viro4-37/+37
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] no need for noinline stuff in fs/namespace.c anymoreAl Viro1-12/+5
Stack footprint from hell had been due to many struct nameidata in there. No more. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] finally get rid of nameidata in namespace.cAl Viro1-60/+59
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-23[PATCH] new helper - kern_path()Al Viro2-0/+12
Analog of lookup_path(), takes struct path *. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-10-20binfmt_elf_fdpic: Update for cputime changes.Paul Mundt1-12/+7
Commit f06febc96ba8e0af80bcc3eaec0a109e88275fac ("timers: fix itimer/ many thread hang") introduced a new task_cputime interface and subsequently only converted binfmt_elf over to it. This results in the build for binfmt_elf_fdpic blowing up given that p->signal->{u,s}time have disappeared from underneath us. Apply the same trivial fix from binfmt_elf to binfmt_elf_fdpic. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20mm: remove duplicated #include'sHuang Weiyi2-3/+0
Removed duplicated #include <linux/vmalloc.h> in mm/vmalloc.c and "internal.h" in mm/memory.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Export tiny shmem_file_setup for DRM-GEMHugh Dickins2-1/+2
We're trying to keep the !CONFIG_SHMEM tiny-shmem.c (using ramfs without swap) in synch with CONFIG_SHMEM shmem.c (and mpm is preparing patches to combine them). I was glad to see EXPORT_SYMBOL_GPL(shmem_file_setup) go into shmem.c, but why not support DRM-GEM when !CONFIG_SHMEM too? But caution says still depend on MMU, since !CONFIG_MMU is.. different. Signed-off-by: Hugh Dickins <hugh@veritas.com> Acked-by: Matt Mackall <mpm@selenic.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20misc: replace remaining __FUNCTION__ with __func__Harvey Harrison5-8/+8
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fix CONFIG_HIGHMEM compile error in drivers/gpu/drm/i915/i915_gem.cThomas Gleixner1-2/+3
commit 9b7530cc329eb036cfa589930c270e85031f554c ("i915: cleanup coding horrors in i915_gem_gtt_pwrite()") broke the i386 build for CONFIG_HIGHMEM=y. Caught by automatic testing http://www.tglx.de/autoqa-logs/000137-0006-0001.log Signed-off-by: Thomas Gleixner <tglx@linutronix.de> [ My bad. It's the same patch I sent out earlier, nobody noticed then either.. ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fix WARN() for PPCArjan van de Ven1-1/+1
powerpc doesn't use the generic WARN_ON infrastructure. The newly introduced WARN() as a result didn't print the message, this patch adds the printk for this specific case. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kexec: fix crash_save_vmcoreinfo_init build problemLuck, Tony1-0/+1
This fixes kernel/kexec.c: In function 'crash_save_vmcoreinfo_init': kernel/kexec.c:1374: error: 'vmlist' undeclared (first use in this function) kernel/kexec.c:1374: error: (Each undeclared identifier is reported only once kernel/kexec.c:1374: error: for each function it appears in.) kernel/kexec.c:1410: error: invalid use of undefined type 'struct vm_struct' make[1]: *** [kernel/kexec.o] Error 1 Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20USB: Fix unused label warnings in drivers/usb/host/ehci-hcd.cLinus Torvalds1-1/+1
This gets rid of an annoying warning in ehci-hcd.c when DEBUG isn't enabled: warning: label 'err_debug' defined but not used by moving it inside the already-existing #ifdef DEBUG, so that it matches the goto. And now my regular build is warning-free again. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20i915: cleanup coding horrors in i915_gem_gtt_pwrite()Linus Torvalds1-23/+36
Yes, this will probably be switched over to a cleaner model anyway, but in the meantime I don't want to see the 'unused variable' warnings that come from the disgusting #ifdef code. Make the special case be a nice inlien function of its own, clean up the code, and make the warning go away. I wish people didn't write code that gets (valid) warnings from the compiler, but I'll limit my fixes to code that I actually care about (in this case just because I see the warning and it annoys me). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Fix sprintf format warnings in drm_proc.cLinus Torvalds1-2/+2
Use "%zd" for size_t, and make sure to have a space between the numbers instead of depending on the field width. I don't like warnings in my default targeted build. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: remove direct includes of linux/byteorder/swab[b].hHarvey Harrison1-1/+1
A consolidated implementation will provide this generically through asm/byteorder, remove direct includes to avoid breakage when the changeover to the new implementation occurs. This hunk was lost from commit 1d8cca44b6a244b7e378546d719041819049a0f9 ("byteorder: provide swabb.h generically in asm/byteorder.h") Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Update email addresses.Dave Jones18-26/+26
Update assorted email addresses and related info to point to a single current, valid address. additionally - trivial CREDITS entry updates. (Not that this file means much any more) - remove arjans dead redhat.com address from powernow driver Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 outAlexey Dobriyan6-267/+269
Use fs/*/Kconfig more, which is good because everything related to one filesystem is in one place and fs/Kconfig is quite fat. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Remove empty imacfb.c fileLinus Torvalds1-0/+0
Commit 7c08c9ae0c145807c0dae4a55f240fa3d4fd5262 ("efifb/imacfb consolidation + hardware support") claimed to remove imacfb entirely and merge its DMI table into the efifb driver. So far so good, but the diff actually ended up just generating an empty file instead of removing it. [ Technical reason: the patch header looked like diff -puN drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support drivers/video/imacfb.c --- a/drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support +++ a/drivers/video/imacfb.c @@ -1,376 +0,0 @@ which git will think is a truncation, not a delete. Git wants to see a target of /dev/null to consider it a delete. ] So remove it properly. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20PCI: fix pci_ioremap_bar() on s390Heiko Carstens1-0/+2
s390 doesn't have ioremap_*, so protect the definition of the new pci_ioremap_bar function with CONFIG_HAS_IOMEM to avoid build breakage. Acked-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20Update .gitignore files for generated targetsLinus Torvalds2-1/+2
The generated 'capflags.c' file wasn't properly ignored, and the list of files in scripts/basic/ wasn't up-to-date. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20PCI: fix AER capability checkYu Zhao4-12/+5
The 'use pci_find_ext_capability everywhere' cleanup brought a new bug, which makes the AER stop working. Fix it by actually using find_ext_cap instead of just find_cap. Drop the unused config space size define while we're at it. Signed-off-by: Yu Zhao <yu.zhao@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: use pci_find_ext_capability everywhereJesse Barnes5-65/+20
Remove some open coded (and buggy) versions of pci_find_ext_capability in favor of the real routine in the PCI core. Tested-by: Tomasz Czernecki <czernecki@gmail.com> Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: remove #ifdef DEBUG around dev_dbg callJesse Barnes1-2/+0
No longer needed since we don't use the function symbol stuff anymore. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI hotplug: fix get_##name return value problemKenji Kaneshige1-1/+1
The commit 356a9d6f3dd283f83861adf1ac909879f0e66411 (PCI: fix hotplug get_##name return value problem) doesn't seem to be merged properly. Because of this, PCI hotplug no longer works (Read/Write PCI hotplug files always returns -ENODEV). This patch fixes wrong check of try_module_get() return value check in get_##name(). Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: document the pcie_aspm kernel parameterChuck Ebbert1-0/+6
It can be handy so make sure people know about it. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: introduce an pci_ioremap(pdev, barnr) functionArjan van de Ven1-0/+13
A common thing in many PCI drivers is to ioremap() an entire bar. This is a slightly fragile thing right now, needing both an address and a size, and many driver writers do.. various things there. This patch introduces an pci_ioremap() function taking just a PCI device struct and the bar number as arguments, and figures this all out itself, in one place. In addition, we can add various sanity checks to this function (the patch already checks to make sure that the bar in question really is a MEM bar; few to no drivers do that sort of thing). Hopefully with this type of API we get less chance of mistakes in drivers with ioremap() operations. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20powerpc/PCI: Add legacy PCI access via sysfsBenjamin Herrenschmidt3-1/+153
This patch adds support for legacy_io and legacy_mem files in bus class directories in sysfs for powerpc Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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