- 21 May, 2010 40 commits
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Stephen Hemminger authored
The entries in xattr handler table should be immutable (ie const) like other operation tables. Later patches convert common filesystems. Uncoverted filesystems will still work, but will generate a compiler warning. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Josef Bacik authored
Currently the way we do freezing is by passing sb>s_bdev to freeze_bdev and then letting it do all the work. But freezing is more of an fs thing, and doesn't really have much to do with the bdev at all, all the work gets done with the super. In btrfs we do not populate s_bdev, since we can have multiple bdev's for one fs and setting s_bdev makes removing devices from a pool kind of tricky. This means that freezing a btrfs filesystem fails, which causes us to corrupt with things like tux-on-ice which use the fsfreeze mechanism. So instead of populating sb->s_bdev with a random bdev in our pool, I've broken the actual fs freezing stuff into freeze_super and thaw_super. These just take the super_block that we're freezing and does the appropriate work. It's basically just copy and pasted from freeze_bdev. I've then converted freeze_bdev over to use the new super helpers. I've tested this with ext4 and btrfs and verified everything continues to work the same as before. The only new gotcha is multiple calls to the fsfreeze ioctl will return EBUSY if the fs is already frozen. I thought this was a better solution than adding a freeze counter to the super_block, but if everybody hates this idea I'm open to suggestions. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
... kill their private list, while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
... and switch the simple "loop over superblocks and do something" loops to it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
... and get rid of the last __put_super_and_need_restart() caller Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
If superblock had been still alive, we would've returned it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
This one needs restarts... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
need list_for_each_entry_safe() here. Original didn't even have restart logics, so if you race with umount() it blew up. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
At the same time we can kill s_need_restart and local mutex in there. __put_super() made public for a while; will be gone later. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
We used to remove from s_list and s_instances at the same time. So let's *not* do the former and skip superblocks that have empty s_instances in the loops over s_list. The next step, of course, will be to get rid of rescan logics in those loops. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Make sure that s_umount is acquired *before* we drop the final active reference; we still have the fast path (atomic_dec_unless) and we have gotten rid of the window between the moment when s_active hits zero and s_umount is acquired. Which simplifies the living hell out of grab_super() and inotify pin_to_kill() stuff. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
use atomic_inc_not_zero(&sb->s_active) instead of playing games with checking ->s_count > S_BIAS Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
First of all, get_sb_nodev() grabs anon dev minor and we never free it in ecryptfs ->kill_sb(). Moreover, on one of the failure exits in ecryptfs_get_sb() we leak things - it happens before we set ->s_root and ->put_super() won't be called in that case. Solution: kill ->put_super(), do all that stuff in ->kill_sb(). And use kill_anon_sb() instead of generic_shutdown_super() to deal with anon dev leak. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
postpone simple_set_mnt() until we know we won't fail. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Christoph Hellwig authored
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
We set the "it's dead, don't mount on it" flag _and_ do not remove it if we turn the damn thing negative and leave it around. And if it goes positive afterwards, well... Fortunately, there's only one place where that needs to be caught: only d_delete() can turn the sucker negative without immediately freeing it; all other places that can lead to ->d_iput() call are followed by unconditionally freeing struct dentry in question. So the fix is obvious: Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16014Reported-by: Adam Tkac <vonsch@gmail.com> Tested-by: Adam Tkac <vonsch@gmail.com> Cc: <stable@kernel.org> [2.6.34.x] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: udf: BKL ioctl pushdown
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (92 commits) powerpc: Remove unused 'protect4gb' boot parameter powerpc: Build-in e1000e for pseries & ppc64_defconfig powerpc/pseries: Make request_ras_irqs() available to other pseries code powerpc/numa: Use ibm,architecture-vec-5 to detect form 1 affinity powerpc/numa: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim powerpc: Use smt_snooze_delay=-1 to always busy loop powerpc: Remove check of ibm,smt-snooze-delay OF property powerpc/kdump: Fix race in kdump shutdown powerpc/kexec: Fix race in kexec shutdown powerpc/kexec: Speedup kexec hash PTE tear down powerpc/pseries: Add hcall to read 4 ptes at a time in real mode powerpc: Use more accurate limit for first segment memory allocations powerpc/kdump: Use chip->shutdown to disable IRQs powerpc/kdump: CPUs assume the context of the oopsing CPU powerpc/crashdump: Do not fail on NULL pointer dereferencing powerpc/eeh: Fix oops when probing in early boot powerpc/pci: Check devices status property when scanning OF tree powerpc/vio: Switch VIO Bus PM to use generic helpers powerpc: Avoid bad relocations in iSeries code powerpc: Use common cpu_die (fixes SMP+SUSPEND build) ...
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (207 commits) drm/radeon/kms/pm/r600: select the mid clock mode for single head low profile drm/radeon: fix power supply kconfig interaction. drm/radeon/kms: record object that have been list reserved drm/radeon: AGP memory is only I/O if the aperture can be mapped by the CPU. drm/radeon/kms: don't default display priority to high on rs4xx drm/edid: fix typo in 1600x1200@75 mode drm/nouveau: fix i2c-related init table handlers drm/nouveau: support init table i2c device identifier 0x81 drm/nouveau: ensure we've parsed i2c table entry for INIT_*I2C* handlers drm/nouveau: display error message for any failed init table opcode drm/nouveau: fix init table handlers to return proper error codes drm/nv50: support fractional feedback divider on newer chips drm/nv50: fix monitor detection on certain chipsets drm/nv50: store full dcb i2c entry from vbios drm/nv50: fix suspend/resume with DP outputs drm/nv50: output calculated crtc pll when debugging on drm/nouveau: dump pll limits entries when debugging is on drm/nouveau: bios parser fixes for eDP boards drm/nouveau: fix a nouveau_bo dereference after it's been destroyed drm/nv40: remove some completed ctxprog TODOs ...
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Linus Torvalds authored
Merge branch 'dbg-early-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'dbg-early-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: echi-dbgp: Add kernel debugger support for the usb debug port earlyprintk,vga,kdb: Fix \b and \r for earlyprintk=vga with kdb kgdboc: Add ekgdboc for early use of the kernel debugger x86,early dr regs,kgdb: Allow kernel debugger early dr register access x86,kgdb: Implement early hardware breakpoint debugging x86, kgdb, init: Add early and late debug states x86, kgdb: early trap init for early debug
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdbLinus Torvalds authored
* 'kdb-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: (25 commits) kdb,debug_core: Allow the debug core to receive a panic notification MAINTAINERS: update kgdb, kdb, and debug_core info debug_core,kdb: Allow the debug core to process a recursive debug entry printk,kdb: capture printk() when in kdb shell kgdboc,kdb: Allow kdb to work on a non open console port kgdb: Add the ability to schedule a breakpoint via a tasklet mips,kgdb: kdb low level trap catch and stack trace powerpc,kgdb: Introduce low level trap catching x86,kgdb: Add low level debug hook kgdb: remove post_primary_code references kgdb,docs: Update the kgdb docs to include kdb kgdboc,keyboard: Keyboard driver for kdb with kgdb kgdb: gdb "monitor" -> kdb passthrough sparc,sunzilog: Add console polling support for sunzilog serial driver sh,sh-sci: Use NO_POLL_CHAR in the SCIF polled console code kgdb,8250,pl011: Return immediately from console poll kgdb: core changes to support kdb kdb: core for kgdb back end (2 of 2) kdb: core for kgdb back end (1 of 2) kgdb,blackfin: Add in kgdb_arch_set_pc for blackfin ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (59 commits) HID: fix up 'EMBEDDED' mess in Kconfig HID: roccat: cleanup preprocessor macros HID: roccat: refactor special event handling HID: roccat: fix special button support HID: roccat: Correctly mark init and exit functions HID: hidraw: Use Interrupt Endpoint for OUT Transfers if Available HID: hid-samsung: remove redundant key mappings HID: add omitted hid-zydacron.c file HID: hid-samsung: add support for Creative Desktop Wireless 6000 HID: picolcd: Eliminate use after free HID: Zydacron Remote Control driver HID: Use kmemdup HID: magicmouse: fix input registration HID: make Prodikeys driver standalone config option HID: Prodikeys PC-MIDI HID Driver HID: hidraw: fix indentation HID: ntrig: add filtering module parameters HID: ntrig: add sysfs access to filter parameters HID: ntrig: add sensitivity and responsiveness support HID: add multi-input quirk for eGalax Touchcontroller ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (31 commits) dquot: Detect partial write error to quota file in write_blk() and add printk_ratelimit for quota error messages ocfs2: Fix lock inversion in quotas during umount ocfs2: Use __dquot_transfer to avoid lock inversion ocfs2: Fix NULL pointer deref when writing local dquot ocfs2: Fix estimate of credits needed for quota allocation ocfs2: Fix quota locking ocfs2: Avoid unnecessary block mapping when refreshing quota info ocfs2: Do not map blocks from local quota file on each write quota: Refactor dquot_transfer code so that OCFS2 can pass in its references quota: unify quota init condition in setattr quota: remove sb_has_quota_active in get/set_info quota: unify ->set_dqblk quota: unify ->get_dqblk ext3: make barrier options consistent with ext4 quota: Make quota stat accounting lockless. suppress warning: "quotatypes" defined but not used ext3: Fix waiting on transaction during fsync jbd: Provide function to check whether transaction will issue data barrier ufs: add ufs speciffic ->setattr call BKL: Remove BKL from ext2 filesystem ...
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