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* ext4: Fix duplicate entries returned from getdents() system callTheodore Ts'o2008-10-251-12/+8
| | | | | | | | | | | | | | | | | | | Fix a regression caused by commit d0156417, "ext4: fix ext4_dx_readdir hash collision handling", where deleting files in a large directory (requiring more than one getdents system call), results in some filenames being returned twice. This was caused by a failure to update info->curr_hash and info->curr_minor_hash, so that if the directory had gotten modified since the last getdents() system call (as would be the case if the user is running "rm -r" or "git clean"), a directory entry would get returned twice to the userspace. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> This patch fixes the bug reported by Markus Trippelsdorf at: http://bugzilla.kernel.org/show_bug.cgi?id=11844 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
* ext3: Fix duplicate entries returned from getdents() system callTheodore Ts'o2008-10-251-12/+8
| | | | | | | | | | | | | | | | | Fix a regression caused by commit 6a897cf4, "ext3: fix ext3_dx_readdir hash collision handling", where deleting files in a large directory (requiring more than one getdents system call), results in some filenames being returned twice. This was caused by a failure to update info->curr_hash and info->curr_minor_hash, so that if the directory had gotten modified since the last getdents() system call (as would be the case if the user is running "rm -r" or "git clean"), a directory entry would get returned twice to the userspace. This patch fixes the bug reported by Markus Trippelsdorf at: http://bugzilla.kernel.org/show_bug.cgi?id=11844 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
* Merge branch 'proc' of ↵Linus Torvalds2008-10-2324-965/+895
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc * 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: (35 commits) proc: remove fs/proc/proc_misc.c proc: move /proc/vmcore creation to fs/proc/vmcore.c proc: move pagecount stuff to fs/proc/page.c proc: move all /proc/kcore stuff to fs/proc/kcore.c proc: move /proc/schedstat boilerplate to kernel/sched_stats.h proc: move /proc/modules boilerplate to kernel/module.c proc: move /proc/diskstats boilerplate to block/genhd.c proc: move /proc/zoneinfo boilerplate to mm/vmstat.c proc: move /proc/vmstat boilerplate to mm/vmstat.c proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.c proc: move /proc/buddyinfo boilerplate to mm/vmstat.c proc: move /proc/vmallocinfo to mm/vmalloc.c proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c proc: move /proc/slab_allocators boilerplate to mm/slab.c proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c proc: move /proc/stat to fs/proc/stat.c proc: move rest of /proc/partitions code to block/genhd.c proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c proc: move /proc/devices code to fs/proc/devices.c proc: move rest of /proc/locks to fs/locks.c ...
| * proc: remove fs/proc/proc_misc.cAlexey Dobriyan2008-10-233-67/+2
| | | | | | | | | | | | | | Now that everything was moved to their more or less expected places, apply rm(1). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/vmcore creation to fs/proc/vmcore.cAlexey Dobriyan2008-10-232-6/+3
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move pagecount stuff to fs/proc/page.cAlexey Dobriyan2008-10-233-135/+148
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move all /proc/kcore stuff to fs/proc/kcore.cAlexey Dobriyan2008-10-232-9/+13
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/schedstat boilerplate to kernel/sched_stats.hAlexey Dobriyan2008-10-231-3/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/modules boilerplate to kernel/module.cAlexey Dobriyan2008-10-231-17/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/diskstats boilerplate to block/genhd.cAlexey Dobriyan2008-10-231-16/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Jens Axboe <jens.axboe@oracle.com>
| * proc: move /proc/zoneinfo boilerplate to mm/vmstat.cAlexey Dobriyan2008-10-231-13/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Christoph Lameter <cl@linux-foundation.org>
| * proc: move /proc/vmstat boilerplate to mm/vmstat.cAlexey Dobriyan2008-10-231-12/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Christoph Lameter <cl@linux-foundation.org>
| * proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.cAlexey Dobriyan2008-10-231-13/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/buddyinfo boilerplate to mm/vmstat.cAlexey Dobriyan2008-10-231-14/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/vmallocinfo to mm/vmalloc.cAlexey Dobriyan2008-10-231-28/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Christoph Lameter <cl@linux-foundation.org>
| * proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.cAlexey Dobriyan2008-10-231-17/+0
| | | | | | | | | | | | | | Lose dummy ->write hook in case of SLUB, it's possible now. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
| * proc: move /proc/slab_allocators boilerplate to mm/slab.cAlexey Dobriyan2008-10-231-30/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
| * proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.cAlexey Dobriyan2008-10-233-40/+54
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/stat to fs/proc/stat.cAlexey Dobriyan2008-10-233-134/+154
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move rest of /proc/partitions code to block/genhd.cAlexey Dobriyan2008-10-231-14/+0
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Jens Axboe <jens.axboe@oracle.com>
| * proc: move /proc/cpuinfo code to fs/proc/cpuinfo.cAlexey Dobriyan2008-10-233-14/+25
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/devices code to fs/proc/devices.cAlexey Dobriyan2008-10-233-60/+71
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move rest of /proc/locks to fs/locks.cAlexey Dobriyan2008-10-232-18/+21
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/kmsg creation to fs/proc/kmsg.cAlexey Dobriyan2008-10-233-7/+9
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: remove remnants of ->read_proc in proc_misc.cAlexey Dobriyan2008-10-231-27/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/execdomains to kernel/exec_domain.cAlexey Dobriyan2008-10-231-9/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: switch /proc/cmdline to seq_fileAlexey Dobriyan2008-10-233-10/+30
| | | | | | | | | | | | and move it to fs/proc/cmdline.c while I'm at it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/filesystems to fs/filesystems.cAlexey Dobriyan2008-10-232-8/+39
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/stram to m68k-specific codeAlexey Dobriyan2008-10-231-13/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: move /proc/hardware to m68k-specific codeAlexey Dobriyan2008-10-231-13/+0
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: switch /proc/version to seq_fileAlexey Dobriyan2008-10-233-13/+35
| | | | | | | | | | | | and move it to fs/proc/version.c while I'm at it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: switch /proc/meminfo to seq_fileAlexey Dobriyan2008-10-233-137/+169
| | | | | | | | | | | | and move it to fs/proc/meminfo.c while I'm at it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: switch /proc/uptime to seq_fileAlexey Dobriyan2008-10-233-21/+44
| | | | | | | | | | | | and move it to fs/proc/uptime.c while I'm at it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: switch /proc/loadavg to seq_fileAlexey Dobriyan2008-10-233-27/+52
| | | | | | | | | | | | and move it to fs/proc/loadavg.c while I'm at it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: use WARN() rather than printk+backtraceArjan van de Ven2008-10-231-2/+1
| | | | | | | | | | | | | | | | | | | | Use WARN() rather than a printk() + backtrace(); this gives a more standard format message as well as complete information (including line numbers etc) that will be collected by kerneloops.org Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: spread __initAlexey Dobriyan2008-10-232-3/+4
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: proc_init_inodecache() can't failAlexey Dobriyan2008-10-233-6/+5
| | | | | | | | | | | | kmem_cache creation code will panic, don't return anything. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
| * proc: fix vma display mismatch between /proc/pid/{maps,smaps}Joe Korty2008-10-231-9/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 4752c369789250eafcd7813e11c8fb689235b0d2 aka "maps4: simplify interdependence of maps and smaps" broke /proc/pid/smaps, causing it to display some vmas twice and other vmas not at all. For example: grep .- /proc/1/smaps >/tmp/smaps; diff /proc/1/maps /tmp/smaps 1 25d24 2 < 7fd7e23aa000-7fd7e23ac000 rw-p 7fd7e23aa000 00:00 0 3 28a28 4 > ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] The bug has something to do with setting m->version before all the seq_printf's have been performed. show_map was doing this correctly, but show_smap was doing this in the middle of its seq_printf sequence. This patch arranges things so that the setting of m->version in show_smap is also done at the end of its seq_printf sequence. Testing: in addition to the above grep test, for each process I summed up the 'Rss' fields of /proc/pid/smaps and compared that to the 'VmRSS' field of /proc/pid/status. All matched except for Xorg (which has a /dev/mem mapping which Rss accounts for but VmRSS does not). This result gives us some confidence that neither /proc/pid/maps nor /proc/pid/smaps are any longer skipping or double-counting vmas. Signed-off-by: Joe Korty <joe.korty@ccur.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
* | ext4: remove unused variable in ext4_get_parentChristoph Hellwig2008-10-231-1/+0
| | | | | | | | | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> [ All users removed in "switch all filesystems over to d_obtain_alias", aka commit 440037287c5ebb07033ab927ca16bb68c291d309 ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | ext3 quota support: fix compile failureLinus Torvalds2008-10-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This one was due to a merge error: we added a use of nd.path in commit 2d7c820e56ce83b23daee9eb5343730fb309418e ("ext3: add checks for errors from jbd"), and concurrently we got rid of 'nd' and used a naked 'path' in commit 8264613def2e5c4f12bc3167713090fd172e6055 ("[PATCH] switch quota_on-related stuff to kern_path()"). That all merged cleanly, but it didn't actually _work_. This should fix it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'v28-range-hrtimers-for-linus-v2' of ↵Linus Torvalds2008-10-233-294/+297
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (37 commits) hrtimers: add missing docbook comments to struct hrtimer hrtimers: simplify hrtimer_peek_ahead_timers() hrtimers: fix docbook comments DECLARE_PER_CPU needs linux/percpu.h hrtimers: fix typo rangetimers: fix the bug reported by Ingo for real rangetimer: fix BUG_ON reported by Ingo rangetimer: fix x86 build failure for the !HRTIMERS case select: fix alpha OSF wrapper select: fix alpha OSF wrapper hrtimer: peek at the timer queue just before going idle hrtimer: make the futex() system call use the per process slack value hrtimer: make the nanosleep() syscall use the per process slack hrtimer: fix signed/unsigned bug in slack estimator hrtimer: show the timer ranges in /proc/timer_list hrtimer: incorporate feedback from Peter Zijlstra hrtimer: add a hrtimer_start_range() function hrtimer: another build fix hrtimer: fix build bug found by Ingo hrtimer: make select() and poll() use the hrtimer range feature ...
| * \ Merge branch 'timers/range-hrtimers' into v28-range-hrtimers-for-linus-v2Thomas Gleixner2008-10-223-294/+297
| |\ \ | | |/ | |/| | | | | | | | | | | | | | | | Conflicts: kernel/time/tick-sched.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| | * Merge commit 'linus/master' into merge-linusArjan van de Ven2008-10-17271-6903/+14647
| | |\ | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/kvm/i8254.c
| | * | hrtimer: fix signed/unsigned bug in slack estimatorArjan van de Ven2008-09-071-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the slack estimator used unsigned math; however for very short delay it's possible that by the time you calculate the timeout, it's already passed and you get a negative time/slack... in an unsigned variable... which then gets turned into a 100 msec delay rather than zero. This patch fixes this by using a signed typee in the right places. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | hrtimer: incorporate feedback from Peter ZijlstraArjan van de Ven2008-09-071-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (based on lkml review) * use rt_task() * task_nice() has a sign Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | hrtimer: make select() and poll() use the hrtimer range featureArjan van de Ven2008-09-051-2/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes the select() and poll() hrtimers use the new range feature and settings from the task struct. In addition, this includes the estimate_accuracy() function that Linus posted to lkml, but changed entirely based on other peoples lkml feedback. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | hrtimer: convert timerfd to the new hrtimer apisArjan van de Ven2008-09-051-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to be able to do range hrtimers we need to use accessor functions to the "expire" member of the hrtimer struct. This patch converts timerfd to these accessors. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | select: switch select() and poll() over to hrtimersArjan van de Ven2008-09-052-291/+108
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With lots of help, input and cleanups from Thomas Gleixner This patch switches select() and poll() over to hrtimers. The core of the patch is replacing the "s64 timeout" with a "struct timespec end_time" in all the plumbing. But most of the diffstat comes from using the just introduced helpers: poll_select_set_timeout poll_select_copy_remaining timespec_add_safe which make manipulating the timespec easier and less error-prone. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| | * | select: add poll_select_set_timeout() and poll_select_copy_remaining() helpersThomas Gleixner2008-09-052-0/+126
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds 2 helpers that will be used for the hrtimer based select/poll: poll_select_set_timeout() is a helper that takes a timeout (as a second, nanosecond pair) and turns that into a "struct timespec" that represents the absolute end time. This is a common operation in the many select() and poll() variants and needs various, common, sanity checks. poll_select_copy_remaining() is a helper that takes care of copying the remaining time to userspace, as select(), pselect() and ppoll() do. This function comes in both a natural and a compat implementation (due to datastructure differences). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2008-10-239-125/+259
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: handle the TCP_Server_Info->tsk field more carefully cifs: fix unlinking of rename target when server doesn't support open file renames [CIFS] improve setlease handling [CIFS] fix saving of resume key before CIFSFindNext cifs: make cifs_rename handle -EACCES errors [CIFS] fix build error [CIFS] undo changes in cifs_rename_pending_delete if it errors out cifs: track DeletePending flag in cifsInodeInfo cifs: don't use CREATE_DELETE_ON_CLOSE in cifs_rename_pending_delete [CIFS] eliminate usage of kthread_stop for cifsd [CIFS] Add nodfs mount option
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