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2013-10-24isofs: don't pass dentry to isofs_hash{i,}_common()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24new helpers: lock_mount_hash/unlock_mount_hashAl Viro
aka br_write_{lock,unlock} of vfsmount_lock. Inlines in fs/mount.h, vfsmount_lock extern moved over there as well. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24don't bother with vfsmount_lock in mounts_poll()Al Viro
wake_up_interruptible/poll_wait provide sufficient barriers; just use ACCESS_ONCE() to fetch ns->event and that's it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24namespace.c: get rid of mnt_ghostsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24fold dup_mnt_ns() into its only surviving callerAl Viro
should've been done 6 years ago... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24mnt_set_expiry() doesn't need vfsmount_lockAl Viro
->mnt_expire is protected by namespace_sem Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24finish_automount() doesn't need vfsmount_lock for removal from expiry listAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24fs/namespace.c: bury long-dead defineAl Viro
MNT_WRITER_UNDERFLOW_LIMIT has been missed 4 years ago when it became unused. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24fold mntfree() into mntput_no_expire()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24do_remount(): pull touch_mnt_namespace() upAl Viro
... and don't bother with dropping and regaining vfsmount_lock Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24dup_mnt_ns(): get rid of pointless grabbing of vfsmount_lockAl Viro
mnt_list is protected by namespace_sem, not vfsmount_lock Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24fs_is_visible only needs namespace_sem held sharedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24initialize namespace_sem staticallyAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24file->f_op is never NULL...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24rtl8188eu: remove dead codeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24dmxdev: get rid of pointless clearing ->f_opAl Viro
nobody else will see that struct file after return from ->release() anyway; just leave ->f_op as is and let __fput() do that fops_put(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24consolidate the reassignments of ->f_op in ->open() instancesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24put_mnt_ns(): use drop_collected_mounts()Al Viro
... rather than open-coding it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ncpfs: switch to %p[dD]Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ubifs: switch to %pdAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24sunrpc: switch to %pdAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24nfsd: switch to %p[dD]Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24nfs: use %p[dD] instead of open-coded (and often racy) equivalentsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24befs: split symlink iops in two - for short and long symlinks resp.Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24new helper: kfree_put_link()Al Viro
duplicated to hell and back... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24libfs: get exports to definitions of objects being exported...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ecryptfs: ->lower_path.dentry is never NULLAl Viro
... on anything found via ->d_fsdata Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ecryptfs: get rid of ecryptfs_set_dentry_lower{,_mnt}Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ecryptfs: don't leave RCU pathwalk immediatelyAl Viro
If the underlying dentry doesn't have ->d_revalidate(), there's no need to force dropping out of RCU mode. All we need for that is to make freeing ecryptfs_dentry_info RCU-delayed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-24ecryptfs: check DCACHE_OP_REVALIDATE instead of ->d_opAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-249p: make v9fs_cache_inode_{get,put,set}_cookie empty inlines for !9P_CACHEFSAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-10-06Linux 3.12-rc4v3.12-rc4Linus Torvalds
2013-10-06net: Update the sysctl permissions handler to test effective uid/gidEric W. Biederman
Modify the code to use current_euid(), and in_egroup_p, as in done in fs/proc/proc_sysctl.c:test_perm() Cc: stable@vger.kernel.org Reviewed-by: Eric Sandeen <sandeen@redhat.com> Reported-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-10-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds
Pull SCSI target fixes from Nicholas Bellinger: "Here are the outstanding target fixes queued up for v3.12-rc4 code. The highlights include: - Make vhost/scsi tag percpu_ida_alloc() use GFP_ATOMIC - Allow sess_cmd_map allocation failure fallback to use vzalloc - Fix COMPARE_AND_WRITE se_cmd->data_length bug with FILEIO backends - Fixes for COMPARE_AND_WRITE callback recursive failure OOPs + non zero scsi_status bug - Make iscsi-target do acknowledgement tag release from RX context - Setup iscsi-target with extra (cmdsn_depth / 2) percpu_ida tags Also included is a iscsi-target patch CC'ed for v3.10+ that avoids legacy wait_for_task=true release during fast-past StatSN acknowledgement, and two other SRP target related patches that address long-standing issues that are CC'ed for v3.3+. Extra thanks to Thomas Glanzmann for his testing feedback with COMPARE_AND_WRITE + EXTENDED_COPY VAAI logic" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags iscsi-target: Perform release of acknowledged tags from RX context iscsi-target: Only perform wait_for_tasks when performing shutdown target: Fail on non zero scsi_status in compare_and_write_callback target: Fix recursive COMPARE_AND_WRITE callback failure target: Reset data_length for COMPARE_AND_WRITE to NoLB * block_size ib_srpt: always set response for task management target: Fall back to vzalloc upon ->sess_cmd_map kzalloc failure vhost/scsi: Use GFP_ATOMIC with percpu_ida_alloc for obtaining tag ib_srpt: Destroy cm_id before destroying QP. target: Fix xop->dbl assignment in target_xcopy_parse_segdesc_02
2013-10-06Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds
Pull slave-dmaengine fixes from Vinod Koul: "Here is the slave dmanegine fixes. We have the fix for deadlock issue on imx-dma by Michael and Josh's edma config fix along with author change" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: imx-dma: fix callback path in tasklet dmaengine: imx-dma: fix lockdep issue between irqhandler and tasklet dmaengine: imx-dma: fix slow path issue in prep_dma_cyclic dma/Kconfig: Make TI_EDMA select TI_PRIV_EDMA edma: Update author email address
2013-10-05Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "This is a small collection of fixes, including a regression fix from Liu Bo that solves rare crashes with compression on. I've merged my for-linus up to 3.12-rc3 because the top commit is only meant for 3.12. The rest of the fixes are also available in my master branch on top of my last 3.11 based pull" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: Fix crash due to not allocating integrity data for a bioset Btrfs: fix a use-after-free bug in btrfs_dev_replace_finishing Btrfs: eliminate races in worker stopping code Btrfs: fix crash of compressed writes Btrfs: fix transid verify errors when recovering log tree
2013-10-05Merge tag 'gpio-v3.12-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Two patches for the OMAP driver, dealing with setting up IRQs properly on the device tree boot path" * tag 'gpio-v3.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio/omap: auto-setup a GPIO when used as an IRQ gpio/omap: maintain GPIO and IRQ usage separately
2013-10-05Merge tag 'usb-3.12-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are none fixes for various USB driver problems. The majority are gadget/musb fixes, but there are some new device ids in here as well" * tag 'usb-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: chipidea: add Intel Clovertrail pci id usb: gadget: s3c-hsotg: fix can_write limit for non-periodic endpoints usb: gadget: f_fs: fix error handling usb: musb: dsps: do not bind to "musb-hdrc" USB: serial: option: Ignore card reader interface on Huawei E1750 usb: musb: gadget: fix otg active status flag usb: phy: gpio-vbus: fix deferred probe from __init usb: gadget: pxa25x_udc: fix deferred probe from __init usb: musb: fix otg default state
2013-10-05Merge tag 'tty-3.12-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty fixes from Greg KH: "Here are two tty driver fixes for 3.12-rc4. One fixes the reported regression in the n_tty code that a number of people found recently, and the other one fixes an issue with xen consoles that broke in 3.10" * tag 'tty-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: xen/hvc: allow xenboot console to be used again tty: Fix pty master read() after slave closes
2013-10-05Merge tag 'staging-3.12-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging fixes from Greg KH: "Here are 4 tiny staging and iio driver fixes for 3.12-rc4. Nothing major, just some small fixes for reported issues" * tag 'staging-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: comedi: ni_65xx: (bug fix) confine insn_bits to one subdevice iio:magnetometer: Bugfix magnetometer default output registers iio: Remove debugfs entries in iio_device_unregister() iio: amplifiers: ad8366: Remove regulator_put
2013-10-05btrfs: Fix crash due to not allocating integrity data for a biosetDarrick J. Wong
When btrfs creates a bioset, we must also allocate the integrity data pool. Otherwise btrfs will crash when it tries to submit a bio to a checksumming disk: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffff8111e28a>] mempool_alloc+0x4a/0x150 PGD 2305e4067 PUD 23063d067 PMD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: btrfs scsi_debug xfs ext4 jbd2 ext3 jbd mbcache sch_fq_codel eeprom lpc_ich mfd_core nfsd exportfs auth_rpcgss af_packet raid6_pq xor zlib_deflate libcrc32c [last unloaded: scsi_debug] CPU: 1 PID: 4486 Comm: mount Not tainted 3.12.0-rc1-mcsum #2 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 task: ffff8802451c9720 ti: ffff880230698000 task.ti: ffff880230698000 RIP: 0010:[<ffffffff8111e28a>] [<ffffffff8111e28a>] mempool_alloc+0x4a/0x150 RSP: 0018:ffff880230699688 EFLAGS: 00010286 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00000000005f8445 RDX: 0000000000000001 RSI: 0000000000000010 RDI: 0000000000000000 RBP: ffff8802306996f8 R08: 0000000000011200 R09: 0000000000000008 R10: 0000000000000020 R11: ffff88009d6e8000 R12: 0000000000011210 R13: 0000000000000030 R14: ffff8802306996b8 R15: ffff8802451c9720 FS: 00007f25b8a16800(0000) GS:ffff88024fc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000018 CR3: 0000000230576000 CR4: 00000000000007e0 Stack: ffff8802451c9720 0000000000000002 ffffffff81a97100 0000000000281250 ffffffff81a96480 ffff88024fc99150 ffff880228d18200 0000000000000000 0000000000000000 0000000000000040 ffff880230e8c2e8 ffff8802459dc900 Call Trace: [<ffffffff811b2208>] bio_integrity_alloc+0x48/0x1b0 [<ffffffff811b26fc>] bio_integrity_prep+0xac/0x360 [<ffffffff8111e298>] ? mempool_alloc+0x58/0x150 [<ffffffffa03e8041>] ? alloc_extent_state+0x31/0x110 [btrfs] [<ffffffff81241579>] blk_queue_bio+0x1c9/0x460 [<ffffffff8123e58a>] generic_make_request+0xca/0x100 [<ffffffff8123e639>] submit_bio+0x79/0x160 [<ffffffffa03f865e>] btrfs_map_bio+0x48e/0x5b0 [btrfs] [<ffffffffa03c821a>] btree_submit_bio_hook+0xda/0x110 [btrfs] [<ffffffffa03e7eba>] submit_one_bio+0x6a/0xa0 [btrfs] [<ffffffffa03ef450>] read_extent_buffer_pages+0x250/0x310 [btrfs] [<ffffffff8125eef6>] ? __radix_tree_preload+0x66/0xf0 [<ffffffff8125f1c5>] ? radix_tree_insert+0x95/0x260 [<ffffffffa03c66f6>] btree_read_extent_buffer_pages.constprop.128+0xb6/0x120 [btrfs] [<ffffffffa03c8c1a>] read_tree_block+0x3a/0x60 [btrfs] [<ffffffffa03caefd>] open_ctree+0x139d/0x2030 [btrfs] [<ffffffffa03a282a>] btrfs_mount+0x53a/0x7d0 [btrfs] [<ffffffff8113ab0b>] ? pcpu_alloc+0x8eb/0x9f0 [<ffffffff81167305>] ? __kmalloc_track_caller+0x35/0x1e0 [<ffffffff81176ba0>] mount_fs+0x20/0xd0 [<ffffffff81191096>] vfs_kern_mount+0x76/0x120 [<ffffffff81193320>] do_mount+0x200/0xa40 [<ffffffff81135cdb>] ? strndup_user+0x5b/0x80 [<ffffffff81193bf0>] SyS_mount+0x90/0xe0 [<ffffffff8156d31d>] system_call_fastpath+0x1a/0x1f Code: 4c 8d 75 a8 4c 89 6d e8 45 89 e0 4c 8d 6f 30 48 89 5d d8 41 83 e0 af 48 89 fb 49 83 c6 18 4c 89 7d f8 65 4c 8b 3c 25 c0 b8 00 00 <48> 8b 73 18 44 89 c7 44 89 45 98 ff 53 20 48 85 c0 48 89 c2 74 RIP [<ffffffff8111e28a>] mempool_alloc+0x4a/0x150 RSP <ffff880230699688> CR2: 0000000000000018 ---[ end trace 7a96042017ed21e2 ]--- Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2013-10-05Merge branch 'for-linus' into for-linus-3.12Chris Mason
2013-10-04Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull CIFS fixes from Steve French: "Small set of cifs fixes. Most important is Jeff's fix that works around disconnection problems which can be caused by simultaneous use of user space tools (starting a long running smbclient backup then doing a cifs kernel mount) or multiple cifs mounts through a NAT, and Jim's fix to deal with reexport of cifs share. I expect to send two more cifs fixes next week (being tested now) - fixes to address an SMB2 unmount hang when server dies and a fix for cifs symlink handling of Windows "NFS" symlinks" * 'for-linus' of git://git.samba.org/sfrench/cifs-2.6: [CIFS] update cifs.ko version [CIFS] Remove ext2 flags that have been moved to fs.h [CIFS] Provide sane values for nlink cifs: stop trying to use virtual circuits CIFS: FS-Cache: Uncache unread pages in cifs_readpages() before freeing them
2013-10-04Merge tag 'pci-v3.12-fixes-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fix from Bjorn Helgaas: "We merged what was intended to be an MMCONFIG cleanup, but in fact, for systems without _CBA (which is almost everything), it broke extended config space for domain 0 and it broke all config space for other domains. This reverts the change" * tag 'pci-v3.12-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: Revert "x86/PCI: MMCONFIG: Check earlier for MMCONFIG region at address zero"
2013-10-04Revert "x86/PCI: MMCONFIG: Check earlier for MMCONFIG region at address zero"Bjorn Helgaas
This reverts commit 07f9b61c3915e8eb156cb4461b3946736356ad02. 07f9b61c was intended to be a cleanup that didn't change anything, but in fact, for systems without _CBA (which is almost everything), it broke extended config space for domain 0 and all config space for other domains. Reference: http://lkml.kernel.org/r/20131004011806.GE20450@dangermouse.emea.sgi.com Reported-by: Hedi Berriche <hedi@sgi.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-10-04Merge tag 'pm+acpi-3.12-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - The resume part of user space driven hibernation (s2disk) is now broken after the change that moved the creation of memory bitmaps to after the freezing of tasks, because I forgot that the resume utility loaded the image before freezing tasks and needed the bitmaps for that. The fix adds special handling for that case. - One of recent commits changed the export of acpi_bus_get_device() to EXPORT_SYMBOL_GPL(), which was technically correct but broke existing binary modules using that function including one in particularly widespread use. Change it back to EXPORT_SYMBOL(). - The intel_pstate driver sometimes fails to disable turbo if its no_turbo sysfs attribute is set. Fix from Srinivas Pandruvada. - One of recent cpufreq fixes forgot to update a check in cpufreq-cpu0 which still (incorrectly) treats non-NULL as non-error. Fix from Philipp Zabel. - The SPEAr cpufreq driver uses a wrong variable type in one place preventing it from catching errors returned by one of the functions called by it. Fix from Sachin Kamat. * tag 'pm+acpi-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: Use EXPORT_SYMBOL() for acpi_bus_get_device() intel_pstate: fix no_turbo cpufreq: cpufreq-cpu0: NULL is a valid regulator, part 2 cpufreq: SPEAr: Fix incorrect variable type PM / hibernate: Fix user space driven resume regression
2013-10-04Merge tag 'xfs-for-linus-v3.12-rc4' of git://oss.sgi.com/xfs/xfsLinus Torvalds
Pull xfs bugfixes from Ben Myers: "There are lockdep annotations for project quotas, a fix for dirent dtype support on v4 filesystems, a fix for a memory leak in recovery, and a fix for the build error that resulted from it. D'oh" * tag 'xfs-for-linus-v3.12-rc4' of git://oss.sgi.com/xfs/xfs: xfs: Use kmem_free() instead of free() xfs: fix memory leak in xlog_recover_add_to_trans xfs: dirent dtype presence is dependent on directory magic numbers xfs: lockdep needs to know about 3 dquot-deep nesting
2013-10-04selinux: remove 'flags' parameter from avc_audit()Linus Torvalds
Now avc_audit() has no more users with that parameter. Remove it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-10-04selinux: avc_has_perm_flags has no more usersLinus Torvalds
.. so get rid of it. The only indirect users were all the avc_has_perm() callers which just expanded to have a zero flags argument. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-10-04Btrfs: fix a use-after-free bug in btrfs_dev_replace_finishingIlya Dryomov
free_device rcu callback, scheduled from btrfs_rm_dev_replace_srcdev, can be processed before btrfs_scratch_superblock is called, which would result in a use-after-free on btrfs_device contents. Fix this by zeroing the superblock before the rcu callback is registered. Cc: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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