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* tmpfs: restore missing clear_highpageHugh Dickins2007-11-28
| | | | | | | | | tmpfs was misconverted to __GFP_ZERO in 2.6.11. There's an unusual case in which shmem_getpage receives the page from its caller instead of allocating. We must cover this case by clear_highpage before SetPageUptodate, as before. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds2007-11-28
|\ | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: clean up kernel/sched_stat.h sched: clean up overlong line in kernel/sched_debug.c sched: clean up, move __sched_text_start/end to sched.h sched: clean up sd_alloc_ctl_cpu_table() definition softlockup: fix false positives on CONFIG_NOHZ
| * sched: clean up kernel/sched_stat.hIngo Molnar2007-11-28
| | | | | | | | | | | | clean up kernel/sched_stat.h. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: clean up overlong line in kernel/sched_debug.cIngo Molnar2007-11-28
| | | | | | | | | | | | clean up overlong line in kernel/sched_debug.c. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: clean up, move __sched_text_start/end to sched.hIngo Molnar2007-11-28
| | | | | | | | | | | | | | | | | | | | move __sched_text_start/end to sched.h. No code changed: text data bss dec hex filename 26582 2310 28 28920 70f8 sched.o.before 26582 2310 28 28920 70f8 sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: clean up sd_alloc_ctl_cpu_table() definitionIngo Molnar2007-11-28
| | | | | | | | | | | | clean up sd_alloc_ctl_cpu_table() definition. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * softlockup: fix false positives on CONFIG_NOHZThomas Gleixner2007-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | David Miller reported soft lockup false-positives that trigger on NOHZ due to CPUs idling for more than 10 seconds. The solution is touch the softlockup watchdog when we return from idle. (by definition we are not 'locked up' when we were idle) http://bugzilla.kernel.org/show_bug.cgi?id=9409 Reported-by: David Miller <davem@davemloft.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | vfs: coredumping fixIngo Molnar2007-11-28
|/ | | | | | | | | | | | | fix: http://bugzilla.kernel.org/show_bug.cgi?id=3043 only allow coredumping to the same uid that the coredumping task runs under. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Alan Cox <alan@redhat.com> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2007-11-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: reverse inline-data truncate args ocfs2: Fix comparison in ocfs2_size_fits_inline_data() ocfs2: Remove bug statement in ocfs2_dentry_iput() [PATCH] ocfs2: Remove expensive bitmap scanning ocfs2: log valid inode # on bad inode ocfs2: Filter -ENOSPC in mlog_errno() [PATCH] fs/ocfs2: Add missing "space" ocfs2: Reset journal parameters after s_mount_opt update
| * ocfs2: reverse inline-data truncate argsMark Fasheh2007-11-27
| | | | | | | | | | | | | | | | | | | | | | ocfs2_truncate() and ocfs2_remove_inode_range() had reversed their "set i_size" arguments to ocfs2_truncate_inline(). Fix things so that truncate sets i_size, and punching a hole ignores it. This exposed a problem where punching a hole in an inline-data file wasn't updating the page cache, so fix that too. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Fix comparison in ocfs2_size_fits_inline_data()Mark Fasheh2007-11-27
| | | | | | | | | | | | This was causing us to prematurely push out inline data by one byte. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Remove bug statement in ocfs2_dentry_iput()Mark Fasheh2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing bug statement didn't take into account unhashed dentries which might not have a cluster lock on them. This could happen if a node exporting the file system via NFS is rebooted, re-exported to nfs clients and then unmounted. It's fine in this case to not have a dentry cluster lock. Just remove the bug statement and replace it with an error print, which does the proper checks. Though we want to know if something has happened which might have prevented a cluster lock from being created, it's definitely not necessary to panic the machine for this. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * [PATCH] ocfs2: Remove expensive bitmap scanningJan Kara2007-11-27
| | | | | | | | | | | | | | | | | | | | Enable expensive bitmap scanning only if DEBUG option is enabled. The bitmap scanning quite loads the CPU and on my machine the write throughput of dd if=/dev/zero of=/ocfs2/file bs=1M count=500 conv=sync improves from 37 MB/s to 45.4 MB/s in local mode... Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: log valid inode # on bad inodeMark Fasheh2007-11-27
| | | | | | | | | | | | | | | | | | If the inode block isn't valid then we don't want to print the value from that, instead print the block number which was passed in (which should always be correct). Also, turn this into a debug print for now - folks who hit an actual problem always have other logs indicating what the source is. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Filter -ENOSPC in mlog_errno()Mark Fasheh2007-11-27
| | | | | | | | | | | | | | It's almost never worth printing in that situation and we keep forgetting to manually filter it out. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * [PATCH] fs/ocfs2: Add missing "space"Joe Perches2007-11-27
| | | | | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Reset journal parameters after s_mount_opt updateMark Fasheh2007-11-27
| | | | | | | | | | | | | | Right now we're just setting them from the existing parameters, not the new ones that a remount specified. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | Merge branch 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_devLinus Torvalds2007-11-27
|\ \ | |/ |/| | | | | | | | | * 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev: m32r: Update sys_rt_sigsuspend m32r: Ignore warnings for unused syscalls m32r: Add missing syscalls
| * m32r: Update sys_rt_sigsuspendHirokazu Takata2007-11-27
| | | | | | | | | | | | | | Update sys_rt_sigsuspend() of arch/m32r/signal.c. This modification is derived from generic one of kernel/signal.c. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
| * m32r: Ignore warnings for unused syscallsHirokazu Takata2007-11-27
| | | | | | | | | | | | | | | | | | | | checksyscalls.sh reports warnings for missing syscalls. But, on m32r, some legacy syscalls were removed elaborately. This patch kills warnings for obsolete syscalls, which are no longer used in the m32r kernel. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
| * m32r: Add missing syscallsHirokazu Takata2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the following 39 syscalls for m32r: sys_add_key, sys_request_key, sys_keyctl, sys_ioprio_set, sys_ioprio_get, sys_inotify_init, sys_inotify_add_watch, sys_inotify_rm_watch, sys_migrate_pages, sys_openat, sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64, sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat, sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare, sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file_range, sys_tee, sys_vmsplice, sys_move_pages, sys_getcpu, sys_epoll_pwait, sys_utimensat, sys_signalfd, sys_timerfd, sys_eventfd, sys_fallocate Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds2007-11-27
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: ide-scsi: use print_hex_dump from <linux/kernel.h> ide: More TSST drives with broken cable detection ali14xx: constify __initdata ide: remove bogus ide_fix_driveid() comment trm290: remove bogus init_hwif_trm290() comment piix: add HP compaq laptop to short cable list alim15x3: add Mitac 8317 and derivatives to ali_cable_override() ide: add TORiSAN model: CD-ROM CDR_U200 fw: 1.09 to DMA blacklist amd74xx: arm hack drivers/ide: Add missing "space" ide-cris: don't override ide_register_hw() result ide: move CONFIG_IDE_ETRAX to drivers/ide/Kconfig ide: add CONFIG_IDE_H8300 config option ide/Kconfig: fix mpc8xx host driver dependencies macide/q40ide: add missing __init tag to {macide,q40ide}_init() aec62xx: Fix kernel oops in driver's probe function ide: skip ide_wait_not_busy() on noprobe-disks siimage: remove resetproc() method ide: don't set PIO mode on pre-EIDE drives sis5513.c: Add Packard Bell EasyNote K5305 to laptops
| * | ide-scsi: use print_hex_dump from <linux/kernel.h>Denis Cheng2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | these utilities implemented in lib/hexdump.c are more handy, please use this. Bart: - s/KERN_DEBUG/KERN_CONT/ as pointed out by Randy - s/DUMP_PREFIX_OFFSET/DUMP_PREFIX_NONE/ - don't include ASCII dump - respect 80-columns limit Signed-off-by: Denis Cheng <crquan@gmail.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: More TSST drives with broken cable detectionPeter Missel2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add more TSST (Toshiba/Samsung) drives to the 'broken cable detection' blacklist. Signed-off-by: Peter Missel (peter.missel@onlinehome.de) Cc: Alan Cox <alan@redhat.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ali14xx: constify __initdataBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: remove bogus ide_fix_driveid() commentBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | trm290: remove bogus init_hwif_trm290() commentBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | piix: add HP compaq laptop to short cable listBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Port of Jeff's libata commit 54174db300ee1bac632d62e4ac37fe02e47d1f18 ("[libata] ata_piix: add HP compaq laptop to short cable list"). Cc: Jeff Garzik <jeff@garzik.org> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | alim15x3: add Mitac 8317 and derivatives to ali_cable_override()Bartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | Port of Alan's patch for pata_ali.c. Cc: Alan Cox <alan@redhat.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: add TORiSAN model: CD-ROM CDR_U200 fw: 1.09 to DMA blacklistBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on the report from snowbat@gmail.com. Fixes kernel bugzilla bug #9195. Tested-by: snowbat@gmail.com Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | amd74xx: arm hackAndrew Morton2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/ide/pci/amd74xx.c: In function `init_hwif_amd74xx': drivers/ide/pci/amd74xx.c:387: error: implicit declaration of function `pci_get_legacy_ide_irq' Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | drivers/ide: Add missing "space"Joe Perches2007-11-27
| | | | | | | | | | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide-cris: don't override ide_register_hw() resultBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Don't override ide_register_hw() result and check if there is a hwif available to use. * MAX_HWIFS is user configurable nowadays so replace it by hard-coded value. * Remove the comment about ide_hwifs[]. Acked-by: Mikael Starvik <starvik@axis.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: move CONFIG_IDE_ETRAX to drivers/ide/KconfigBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Move ETRAX_IDE and friends from arch/cris/arch-{v10,v32}/drivers/Kconfig to drivers/ide/Kconfig. * Don't force selecting ide-disk and ide-cd device drivers (please handle this through defconfig if necessary). * Make ETRAX_IDE depend on BROKEN for the time being (it doesn't even compile currently). Cc: Mikael Starvik <starvik@axis.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: add CONFIG_IDE_H8300 config optionBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a separate config option for ide-8300 host driver instead of depending on CONFIG_H8300. This change is a preparation for the future changes and also allows ide-h8300 to be disabled if needed. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide/Kconfig: fix mpc8xx host driver dependenciesBartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | Only LWMON, IVMS8, IVML24 and TQM8xxL platforms have the needed defines (IDE0_BASE_OFFSET and friends) in the platform header file. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | macide/q40ide: add missing __init tag to {macide,q40ide}_init()Bartlomiej Zolnierkiewicz2007-11-27
| | | | | | | | | | | | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | aec62xx: Fix kernel oops in driver's probe functionAleksandar Radovanovic2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pci_enable_device() to aec62xx probe function before doing any I/O. Original probe function tries to read from device's PCI region 4 before calling ide_setup_pci_device(). Since the device is not enabled at this point, on machines that have no firmware PCI initialization (e.g. ASUS WL-700gE router), corresponding PCI BAR is 0 and the following inb() causes a kernel oops. Signed-off-by: Aleksandar Radovanovic <biblbroks@sezampro.yu> Cc: Linus Torvalds <torvalds@linux-foundation.org>, Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: skip ide_wait_not_busy() on noprobe-disksJonas Stare2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a problem in some hardware where the kernel will stall for 35 seconds waiting for disks that don't exist. This patch will skip waiting for the BSY-bit on IDE drives to go away if you set "hdx=noprobe" as a kernel option and the disk is not marked as 'present' (like when you set the geometry by hand). If no noprobe-option is set the code will work (more or less) as the original but if set the code will skip the ide_wait_not_busy() for that drive. Even if there would be a drive there and it is still busy afterwards it should not matter since it isn't probed for later. The code also honors the MAX_DRIVES variable instead of assuming that there will be two harddrives on the bus. Bart: minor cleanups Signed-off-by: Jonas Stare <jonas.stare@purplescout.se> CC: Andrew Morton <akpm@linux-foundation.org>, Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | siimage: remove resetproc() methodSergei Shtylyov2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The intent behind siimage_reset() was probably to hard reset the interface and the SATA PHY but as the code writes to two reserved bits instead, it obviously has been ineffective from the start. So, just remove it. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | ide: don't set PIO mode on pre-EIDE drivesSergei Shtylyov2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix handling of the PIO modes for the pre-EIDE drives that did not support the PIO Flow Control Transfer Mode value (00001 nnn) of the Set Transfer Mode feature by skipping the actual mode programming. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| * | sis5513.c: Add Packard Bell EasyNote K5305 to laptopsGabriel Craciunescu2007-11-27
| |/ | | | | | | | | | | | | | | With newer kernels HDD in my old laptop is limited to UDMA 33. With this patch I get UDMA 100 again. Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2007-11-27
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: SVM: Fix FPU leak while emulating clts KVM: SVM: Unload guest fpu on vcpu_put() KVM: x86 emulator: Use emulator_write_emulated and not emulator_write_std KVM: x86 emulator: fix the saving of of the eip value KVM: x86 emulator: fix JMP_REL
| * | KVM: SVM: Fix FPU leak while emulating cltsAmit Shah2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The clts code didn't use set_cr0 properly, so our lazy FPU processing wasn't being done by the clts instruction at all. (this isn't called on Intel as the hardware does the decode for us) Signed-off-by: Amit Shah <amit.shah@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: SVM: Unload guest fpu on vcpu_put()Avi Kivity2007-11-27
| | | | | | | | | | | | | | | | | | | | | Not unloading the guest fpu can cause fpu leaks from guest to guest (or host to guest). Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: x86 emulator: Use emulator_write_emulated and not emulator_write_stdAmit Shah2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | emulator_write_std() is not implemented, and calling write_emulated should work just as well in place of write_std. Fixes emulator failures with the push r/m instruction. Signed-off-by: Amit Shah <amit.shah@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: x86 emulator: fix the saving of of the eip valueIzik Eidus2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | this make sure that no matter what is the operand size, all the value of the eip will be saved Signed-off-by: Izik Eidus <izike@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: x86 emulator: fix JMP_RELIzik Eidus2007-11-27
| |/ | | | | | | | | | | | | | | | | Change JMP_REL to call to register_address_increment(): the operands size should not effect the calculation of the eip, instead the ad_bytes should affect it. Signed-off-by: Izik Eidus <izike@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2007-11-27
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: scatterlist: add more safeguards Revert "ll_rw_blk: temporarily enable max_segments tweaking" mmc: Add missing sg_init_table() call block: Fix memory leak in alloc_disk_node() alpha: fix sg_page breakage blktrace: Make sure BLKTRACETEARDOWN does the full cleanup.
| * | scatterlist: add more safeguardsTejun Heo2007-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add more safeguards to protect against misinterpreting a chain entry as a normal scatterlist and vice-versa. * Make sure the entry isn't a chain when assigning and reading a normal sg. * Clear offset and length when chaining. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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