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2008-02-069p: fix mmap to be read-onlyEric Van Hensbergen
v9fs was allowing writable mmap which could lead to kernel BUG() cases. This sets the mmap function to generic_file_readonly_mmap which (correctly) returns an error to applications which open mmap for writing. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: add support for sticky bitAnthony Liguori
GDM gets unhappy if /var/gdm doesn't have the sticky bit set. This patch adds support for the sticky bit in much the same way setuid/setgid is supported. With this patch, I can launch X from a v9fs rootfs (although I quickly run out of fds in the server once gnome starts up). Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: Fix soft lockup in virtio transportEric Van Hensbergen
This fixes a poorly placed spinlock which could result in a soft lockup condition. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: fix bug in attach-per-userEric Van Hensbergen
When a new user attached at a directory other than the root, he would end up in the parent directory of the cwd. This was due to a logic error in the code which attaches the user at the mount point and walks back to the cwd. This patch fixes that. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: block-based virtio clientEric Van Hensbergen
This replaces the console-based virto client with a block-based client using a single request queue. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: create transport rpc cut-thruEric Van Hensbergen
Add a new transport function which allows a cut-thru directly to the transport instead of processing request through the mux if the cut-thru exists. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-069p: fix bug in p9_clone_statMartin Stava
This patch fixes a bug in the copying of 9P stat information where string references weren't being updated properly. Signed-off-by: Martin Sava <martin.stava@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-02-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: fix deadlock, make pgd_lock irq-safe virtio: fix trivial build bug x86: fix mttr trimming x86: delay CPA self-test and repeat it x86: fix 64-bit sections generic: add __FINITDATA x86: remove suprious ifdefs from pageattr.c x86: mark the .rodata section also NX x86: fix iret exception recovery on 64-bit cpuidle: dubious one-bit signed bitfield in cpuidle.h x86: fix sparse warnings in powernow-k8.c x86: fix sparse error in traps_32.c x86: trivial sparse/checkpatch in quirks.c x86 ptrace: disallow null cs/ss MAINTAINERS: RDC R-321x SoC maintainer brk randomization: introduce CONFIG_COMPAT_BRK brk: check the lower bound properly x86: remove X2 workaround x86: make spurious fault handler aware of large mappings x86: make traps on entry code be debuggable in user space, 64-bit
2008-02-06x86: fix deadlock, make pgd_lock irq-safeIngo Molnar
lockdep just caught this one: ================================= [ INFO: inconsistent lock state ] 2.6.24 #38 --------------------------------- inconsistent {in-softirq-W} -> {softirq-on-W} usage. swapper/1 [HC0[0]:SC0[0]:HE1:SE1] takes: (pgd_lock){-+..}, at: [<ffffffff8022a9ea>] mm_init+0x1da/0x250 {in-softirq-W} state was registered at: [<ffffffffffffffff>] 0xffffffffffffffff irq event stamp: 394559 hardirqs last enabled at (394559): [<ffffffff80267f0a>] get_page_from_freelist+0x30a/0x4c0 hardirqs last disabled at (394558): [<ffffffff80267d25>] get_page_from_freelist+0x125/0x4c0 softirqs last enabled at (393952): [<ffffffff80232f8e>] __do_softirq+0xce/0xe0 softirqs last disabled at (393945): [<ffffffff8020c57c>] call_softirq+0x1c/0x30 other info that might help us debug this: no locks held by swapper/1. stack backtrace: Pid: 1, comm: swapper Not tainted 2.6.24 #38 Call Trace: [<ffffffff8024e1fb>] print_usage_bug+0x18b/0x190 [<ffffffff8024f55d>] mark_lock+0x53d/0x560 [<ffffffff8024fffa>] __lock_acquire+0x3ca/0xed0 [<ffffffff80250ba8>] lock_acquire+0xa8/0xe0 [<ffffffff8022a9ea>] ? mm_init+0x1da/0x250 [<ffffffff809bcd10>] _spin_lock+0x30/0x70 [<ffffffff8022a9ea>] mm_init+0x1da/0x250 [<ffffffff8022aa99>] mm_alloc+0x39/0x50 [<ffffffff8028b95a>] bprm_mm_init+0x2a/0x1a0 [<ffffffff8028d12b>] do_execve+0x7b/0x220 [<ffffffff80209776>] sys_execve+0x46/0x70 [<ffffffff8020c214>] kernel_execve+0x64/0xd0 [<ffffffff8020901e>] ? _stext+0x1e/0x20 [<ffffffff802090ba>] init_post+0x9a/0xf0 [<ffffffff809bc5f6>] ? trace_hardirqs_on_thunk+0x35/0x3a [<ffffffff8024f75a>] ? trace_hardirqs_on+0xba/0xd0 [<ffffffff8020c1a8>] ? child_rip+0xa/0x12 [<ffffffff8020bcbc>] ? restore_args+0x0/0x44 [<ffffffff8020c19e>] ? child_rip+0x0/0x12 turns out that pgd_lock has been used on 64-bit x86 in an irq-unsafe way for almost two years, since commit 8c914cb704a11460e. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-06virtio: fix trivial build bugIngo Molnar
fix build bug: drivers/virtio/virtio_balloon.c: In function 'fill_balloon': drivers/virtio/virtio_balloon.c:98: error: implicit declaration of function 'msleep' Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: fix mttr trimmingYinghai Lu
Pavel Emelyanov reported that his networking card did not work and bisected it down to: " The commit 093af8d7f0ba3c6be1485973508584ef081e9f93 x86_32: trim memory by updating e820 broke my e1000 card: on loading driver says that e1000: probe of 0000:04:03.0 failed with error -5 and the interface doesn't appear. " on a 32-bit kernel, base will overflow when try to do PAGE_SHIFT, and highest_addr will always less 4G. So use pfn instead of address to avoid the overflow when more than 4g RAM is installed on a 32-bit kernel. Many thanks to Pavel Emelyanov for reporting and testing it. Bisected-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Tested-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: delay CPA self-test and repeat itIngo Molnar
delay the CPA self-test so that any impact (corruption) of user-space pagetables can be triggered. Repeat the test every 30 seconds. this would have prevented the bug fixed by 8cb2a7c1e95e472b5, at its source. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: fix 64-bit sectionsSam Ravnborg
fix 64-bit section warnings. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06generic: add __FINITDATAIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: remove suprious ifdefs from pageattr.cArjan van de Ven
The .rodata section really should just be read only; the config option is there to make breaking up the 2Mb page an option (so people whos machines give more performance for the 2Mb case can opt to do so). But when the page gets split anyway, this is no longer an issue, so clean up the code and remove the ifdefs Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: mark the .rodata section also NXArjan van de Ven
The .rodata section shouldn't just be read-only, but also non-executable. This is free since we've broken up the 2MB page already anyway. also update test_nx to check for this. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: fix iret exception recovery on 64-bitRoland McGrath
This change broke recovery of exceptions in iret: commit 72fe4858544292ad64600765cb78bc02298c6b1c Author: Glauber de Oliveira Costa <gcosta@redhat.com> x86: replace privileged instructions with paravirt macros The ENTRY(native_iret) macro adds alignment padding before the iretq instruction, so "iret_label" no longer points exactly at the instruction. It was sloppy to leave the old "iret_label" label behind when replacing its nearby use. Removing it would have revealed the other use of the label later in the file, and upon noticing that use, anyone exercising the minimum of attention to detail expected of anyone touching this subtle code would realize it needed to change as well. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06cpuidle: dubious one-bit signed bitfield in cpuidle.hHarvey Harrison
fix these sparse warnings: CHECK arch/x86/kernel/acpi/cstate.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield CHECK arch/x86/kernel/acpi/processor.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield CHECK arch/x86/kernel/cpu/cpufreq/powernow-k7.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield CHECK arch/x86/kernel/cpu/cpufreq/powernow-k8.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield CHECK arch/x86/kernel/cpu/cpufreq/longhaul.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield CHECK arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c include/linux/cpuidle.h:82:17: error: dubious one-bit signed bitfield Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: fix sparse warnings in powernow-k8.cHarvey Harrison
arch/x86/kernel/cpu/cpufreq/powernow-k8.c:830:7: warning: symbol 'hi' shadows an earlier one arch/x86/kernel/cpu/cpufreq/powernow-k8.c:824:6: originally declared here arch/x86/kernel/cpu/cpufreq/powernow-k8.c:830:15: warning: symbol 'lo' shadows an earlier one arch/x86/kernel/cpu/cpufreq/powernow-k8.c:824:14: originally declared here Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: fix sparse error in traps_32.cHarvey Harrison
This was being used to ensure the proper alignment of the FXSAVE/FXRSTOR data. This would create a sparse error in the _correct_ cases, hiding further warnings. Use BUILD_BUG_ON instead. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: trivial sparse/checkpatch in quirks.cHarvey Harrison
arch/x86/kernel/quirks.c:384:3: warning: returning void-valued expression arch/x86/kernel/quirks.c:387:3: warning: returning void-valued expression arch/x86/kernel/quirks.c:390:3: warning: returning void-valued expression arch/x86/kernel/quirks.c:393:3: warning: returning void-valued expression Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86 ptrace: disallow null cs/ssRoland McGrath
In my revamp of the x86 ptrace code for setting register values, I accidentally omitted a check that was there in the old code. Allowing %cs to be 0 causes a bad crash in recovery from iret failure. This patch fixes that regression against 2.6.24, and adds a comment that should help prevent this subtlety from being overlooked again. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06MAINTAINERS: RDC R-321x SoC maintainerFlorian Fainelli
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06brk randomization: introduce CONFIG_COMPAT_BRKIngo Molnar
based on similar patch from: Pavel Machek <pavel@ucw.cz> Introduce CONFIG_COMPAT_BRK. If disabled then the kernel is free (but not obliged to) randomize the brk area. Heap randomization breaks ancient binaries, so we keep COMPAT_BRK enabled by default. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06brk: check the lower bound properlyJiri Kosina
There is a check in sys_brk(), that tries to make sure that we do not underflow the area that is dedicated to brk heap. The check is however wrong, as it assumes that brk area starts immediately after the end of the code (+bss), which is wrong for example in environments with randomized brk start. The proper way is to check whether the address is not below the start_brk address. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: remove X2 workaroundIngo Molnar
With the spurious handler fix, the X2 does not lock up anymore. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: make spurious fault handler aware of large mappingsThomas Gleixner
In very rare cases, on certain CPUs, we could end up in the spurious fault handler and ignore a large pud/pmd mapping. The resulting pte pointer points into the mapped physical space and dereferencing it will fault recursively. Make the code aware of large mappings and do the permission check on the pmd/pud entry, when a large pud/pmd mapping is detected. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06x86: make traps on entry code be debuggable in user space, 64-bitRoland McGrath
Unify the x86-64 behavior for 32-bit processes that set bogus %cs/%ss values (the only ones that can fault in iret) match what the native i386 behavior is. (do not kill the task via do_exit but generate a SIGSEGV signal) [ tglx@linutronix.de: build fix ] Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06Merge branch 'async-tx-for-linus' of ↵Linus Torvalds
git://lost.foo-projects.org/~dwillia2/git/iop into fix * 'async-tx-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop: async_tx: allow architecture specific async_tx_find_channel implementations async_tx: replace 'int_en' with operation preparation flags async_tx: kill tx_set_src and tx_set_dest methods async_tx: kill ASYNC_TX_ASSUME_COHERENT iop-adma: use LIST_HEAD instead of LIST_HEAD_INIT async_tx: use LIST_HEAD instead of LIST_HEAD_INIT async_tx: fix compile breakage, mark do_async_xor __always_inline
2008-02-06scsi: megaraid: trivial drop duplicate mutex.h includeDaniel Walker
Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6: SELinux: Remove security_get_policycaps() security: allow Kconfig to set default mmap_min_addr protection
2008-02-06Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ata_piix.c:piix_init_one() must be __devinit sata_via.c: Remove missleading comment. libata-core: unblacklist HITACHI drives sata_nv: fix ATAPI issues with memory over 4GB (v7) ata: drivers/ata/sata_mv.c needs dmapool.h libata: kill now unused n_iter and fix sata_fsl ahci: fix CAP.NP and PI handling sata_mv: Support SoC controllers Rename: linux/pata_platform.h to linux/ata_platform.h
2008-02-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (35 commits) virtio net: fix oops on interface-up Fix PHY Lib support for gianfar and ucc_geth forcedeth: preserve registers forcedeth: phy status fix forcedeth: restart tx/rx ipvs: Make wrr "no available servers" error message rate-limited [PPPOL2TP]: Label unused warning when CONFIG_PROC_FS is not set. [NET_SCHED]: cls_flow: support classification based on VLAN tag [VLAN]: Constify skb argument to vlan_get_tag() [NET_SCHED]: cls_flow: fix key mask validity check [NET_SCHED]: em_meta: fix compile warning b43: Fix DMA for 30/32-bit DMA engines b43: fix build with CONFIG_SSB_PCIHOST=n mac80211: Is not EXPERIMENTAL anymore iwl3945-base.c: fix off-by-one errors b43legacy: fix DMA slot resource leakage b43legacy: drop packets we are not able to encrypt b43legacy: fix suspend/resume b43legacy: fix PIO crash Generic HDLC - use random_ether_addr() ...
2008-02-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Temporarily remove IOMMU merging code. [SPARC64]: Update defconfig. [SPARC]: Add new timerfd syscall entries.
2008-02-06fb: fix warning: no return statement in function returning non-voidAnton Vorontsov
Warning is reproducible with selected FB_CFB_REV_PIXELS_IN_BYTE. CC drivers/video/sysfillrect.o In file included from drivers/video/sysfillrect.c:18: drivers/video/fb_draw.h: In function `fb_rev_pixels_in_long': drivers/video/fb_draw.h:94: warning: no return statement in function returning non-void CC drivers/video/syscopyarea.o In file included from drivers/video/syscopyarea.c:22: drivers/video/fb_draw.h: In function `fb_rev_pixels_in_long': drivers/video/fb_draw.h:94: warning: no return statement in function returning non-void Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06virtio: add missing #include <linux/delay.h>Johann Felix Soden
Include linux/delay.h to fix compiler error: drivers/virtio/virtio_balloon.c: In function 'fill_balloon': drivers/virtio/virtio_balloon.c:98: error: implicit declaration of function 'msleep' Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext3: fix lock inversion in direct IOJan Kara
We cannot start transaction in ext3_direct_IO() and just let it last during the whole write because dio_get_page() acquires mmap_sem which ranks above transaction start (e.g. because we have dependency chain mmap_sem->PageLock->journal_start, or because we update atime while holding mmap_sem) and thus deadlocks could happen. We solve the problem by starting a transaction separately for each ext3_get_block() call. We *could* have a problem that we allocate a block and before its data are written out the machine crashes and thus we expose stale data. But that does not happen because for hole-filling generic code falls back to buffered writes and for file extension, we add inode to orphan list and thus in case of crash, journal replay will truncate inode back to the original size. [akpm@linux-foundation.org: build fix] Signed-off-by: Jan Kara <jack@suse.cz> Cc: <linux-ext4@vger.kernel.org> Cc: Zach Brown <zach.brown@oracle.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06jbd.h: hide kernel only codeOlaf Hering
Move a few kernel-only things into __KERNEL__. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext3: remove unused code from ext3_find_entry()Mariusz Kozlowski
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext[234]: cleanup ext[234]_bg_num_gdb()Akinobu Mita
Use ext[234]_bg_has_super() to remove duplicate code. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext[234]: remove unused argument for ext[234]_find_goal()Akinobu Mita
The argument chain for ext[234]_find_goal() is not used. This patch removes it and fixes comment as well. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext[234]: use ext[234]_get_group_desc()Akinobu Mita
Use ext[234]_get_group_desc() to get group descriptor from group number. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext[234]: fix comment for nonexistent variableAkinobu Mita
The comment in ext[234]_new_blocks() describes about "i". But there is no local variable called "i" in that scope. I guess it has been renamed to group_no. Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext3: change the default behaviour on errorAneesh Kumar K.V
ext3 file system was by default ignoring errors and continuing. This is not a good default as continuing on error could lead to file system corruption. Change the default to mark the file system readonly. Debian and ubuntu already does this as the default in their fstab. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: <linux-ext4@vger.kernel.org> Cc: Eric Sandeen <sandeen@redhat.com> Cc: Jan Kara <jack@ucw.cz> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext3: return after ext3_error in case of failuresAneesh Kumar K.V
This fixes some instances where we were continuing after calling ext3_error. ext3_error calls panic only if errors=panic mount option is set. So we need to make sure we return correctly after ext3_error call Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06make jbd/journal.c:__journal_abort_hard() staticAdrian Bunk
__journal_abort_hard() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06BKL-removal: remove incorrect comment refering to lock_kernel() from jbd/jbd2Andi Kleen
None of the callers of this function does actually take the BKL as far as I can see. So remove the comment refering to the BKL. Signed-off-by: Andi Kleen <ak@suse.de> Cc: <linux-ext4@vger.kernel.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06BKL-removal: remove incorrect BKL comment in ext2Andi Kleen
No BKL used anywhere, so don't mention it. Signed-off-by: Andi Kleen <ak@suse.de> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06BKL-removal: convert ext2 over to use unlocked_ioctlAndi Kleen
I checked ext2_ioctl and could not find anything in there that would need the BKL. So convert it over to use unlocked_ioctl Signed-off-by: Andi Kleen <ak@suse.de> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06ext3: add block bitmap validationAneesh Kumar K.V
When a new block bitmap is read from disk in read_block_bitmap() there are a few bits that should ALWAYS be set. In particular, the blocks given corresponding to block bitmap, inode bitmap and inode tables. Validate the block bitmap against these blocks. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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