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* [PATCH] ufs2: more correct work with timeEvgeniy Dushistov2007-03-16
| | | | | | | | | | | | | | | | | | | | | This patch corrects work with time in UFS2 case. 1) According to UFS2 disk layout modification/access and so on "time" should be hold in two variables one 64bit for seconds and another 32bit for nanoseconds, at now for some unknown reason we suppose that "inode time" holds in three variables 32bit for seconds, 32bit for milliseconds and 32bit for nanoseconds. 2) We set amount of nanoseconds in "VFS inode" to 0 during read, instead of getting values from "on disk inode"(this should close http://bugzilla.kernel.org/show_bug.cgi?id=7991). Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Cc: Bjoern Jacke <bjoern@j3e.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysfs: reinstate exclusion between method calls and attribute ↵Alan Stern2007-03-15
| | | | | | | | | | | | | | | | | | | unregistration This patch (as869) reinstates the mutual exclusion between sysfs attribute method calls and attribute unregistration. The previously-reported deadlocks have been fixed, and this exclusion is by far the simplest way to avoid races during driver unbinding. The check for orphaned read-buffers has been moved down slightly, so that the remainder of a partially-read buffer will still be available to userspace even after the attribute has been unregistered. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Hugh Dickins <hugh@veritas.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Oliver Neukum <oneukum@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysfs and driver core: add callback helper, used by SCSI and S390Alan Stern2007-03-15
| | | | | | | | | | | | | | | | | | This patch (as868) adds a helper routine for device drivers that need to set up a callback to perform some action in a different process's context. This is intended for use by attribute methods that want to unregister themselves or their parent device. Attribute method calls are mutually exclusive with unregistration, so such actions cannot be taken directly. Two attribute methods are converted to use the new helper routine: one for SCSI device deletion and one for System/390 ccwgroup devices. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Hugh Dickins <hugh@veritas.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Oliver Neukum <oneukum@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2007-03-14
|\ | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2_dlm: Add missing locks in dlm_empty_lockres ocfs2_dlm: Missing get/put lockres in dlm_run_purge_lockres configfs: add missing mutex_unlock() ocfs2: add some missing address space callbacks ocfs2: Concurrent access of o2hb_region->hr_task was not locked ocfs2: Proper cleanup in case of error in ocfs2_register_hb_callbacks()
| * ocfs2_dlm: Add missing locks in dlm_empty_lockresSunil Mushran2007-03-14
| | | | | | | | | | | | | | __dlm_lockres_unused() expects the caller to take the lockres spinlock. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2_dlm: Missing get/put lockres in dlm_run_purge_lockresSunil Mushran2007-03-14
| | | | | | | | | | | | | | In some circumstances, this was causing us to reference freed memory. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * configfs: add missing mutex_unlock()Joel Becker2007-03-14
| | | | | | | | | | | | | | | | | | | | d_alloc() failure in configfs_register_subsystem() would fail to unlock the mutex taken above. Reorganize the exit path to ensure the unlock happens. Reported-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: add some missing address space callbacksJoel Becker2007-03-14
| | | | | | | | | | | | | | | | | | | | | | | | | | Under load, OCFS2 would crash in invalidate_inode_pages2_range() because invalidate_complete_page2() was unable to invalidate a page. It would appear that JBD is holding on to the page. ext3 has a specific ->releasepage() handler to cover this case. Steal ext3's ->releasepage(), ->invalidatepage(), and ->migratepage(), as they appear completely appropriate for OCFS2. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Concurrent access of o2hb_region->hr_task was not lockedJoel Becker2007-03-14
| | | | | | | | | | | | | | | | | | | | | | This means that a build-up and a teardown could race which would result in a double-kthread_stop(). Protect the setting and clearing of hr_task with o2hb_live_lock, as it's not a common thing and not performance critical. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| * ocfs2: Proper cleanup in case of error in ocfs2_register_hb_callbacks()Joel Becker2007-03-14
| | | | | | | | | | | | | | | | | | | | | | If ocfs2_register_hb_callbacks() succeeds on its first callback but fails its second, it doesn't release the first on the way out. Fix that. While we're at it, o2hb_unregister_callback() never returns anything but 0, so let's make it void. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | [PATCH] cifs endianness annotationsAl Viro2007-03-14
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] include of asm/pgtable.h in nfsfh is bogusAl Viro2007-03-14
| | | | | | | | | | | | | | not needed and actually breaks build on frv, while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] sanitize security_getprocattr() APIAl Viro2007-03-14
| | | | | | | | | | | | | | | | | | have it return the buffer it had allocated Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.infradead.org/mtd-2.6Linus Torvalds2007-03-09
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: [JFFS2] print a message when marking bad block [JFFS2] Check for all-zero node headers [MTD] [OneNAND] Classify the page data and oob buffer [MTD] [OneNAND] Exit the loop when transferring/filling of the oob is finished [MTD] [OneNAND] add Nokia Copyright and a credit [MTD] [OneNAND] Fix typo & wrong comments [MTD] [OneNAND] Use oob buffer instead of main one in oob functions [MTD] Correct partition failed erase address [JFFS2] Use yield() between GC passes in background thread. [MTD] [NAND] Correct misspelled preprocessor variable. [MTD] [MAPS] dilnetpc: Fix printk warning [MTD] [NOR] Fix oops in cfi_amdstd_sync [MTD] ESB2 check for closed ROM window [JFFS2] Fix writebuffer recovery in the first page of a block [MTD] [NAND] make oobavail public
| * | [JFFS2] print a message when marking bad blockArtem Bityutskiy2007-03-09
| | | | | | | | | | | | | | | | | | | | | | | | New bad eraseblock is an event which is important enough to be printed about. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [JFFS2] Check for all-zero node headersDavid Woodhouse2007-03-09
| | | | | | | | | | | | | | | | | | | | | | | | Due to a poor choice of CRC32 seed, a node header which is all zeroes would pass the CRC32 check. Explicitly check for this case, and treat it as we do a CRC failure. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [JFFS2] Use yield() between GC passes in background thread.David Woodhouse2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The garbage collection thread is strictly an optimisation. Everything it does would also be done just-in-time in the context of something in userspace trying to access the file system. Sometimes, however, it's a pessimisation. Especially during early boot when it's checksumming nodes and scanning inodes which are shortly going to be pulled in by read_inode anyway. We end up building the rbtree of node coverage twice for the same inode. By switching to yield() instead of cond_resched() in the main loop, we observe boot times on the OLPC system going down from about 100 seconds to 60. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [JFFS2] Fix writebuffer recovery in the first page of a blockVitaly Wool2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the case when nand_write_page fail with -EIO for the first page in an eraseblock, jffs2_wbuf_recover ends up producing a BUG in jffs2_block_refile as jeb->first_node is not yet set up (it's set up later in jffs2_wbuf_recover). This BUG is not really a bug; it's just jffs2_wbuf_recover calling jffs2_block_refile with the wrong second parameter. This patch takes care of this situation. Signed-off-by: Vitaly Wool <vwool@ru.mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | | [PATCH] ecryptfs: nested locking annotationPeter Zijlstra2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ecryptfs uses a lock_parent() function, which I hope really locks the parents and is not abused Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] check_partition(): fix error checksuzuki2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix inverted check introduced in 57881dd9df40b76dc7fc6a0d13fd75f337accb32 "Fix check_partition routines". Signed-off-by: Suzuki K P <suzuki@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] Add epoll compat_ code to fs/compat.cDavide Libenzi2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IA64 and ARM-OABI are currently using their own version of epoll compat_ code. An architecture needs epoll_event translation if alignof(u64) in 32 bit mode is different from alignof(u64) in 64 bit mode. If an architecture needs epoll_event translation, it must define struct compat_epoll_event in asm/compat.h and set CONFIG_HAVE_COMPAT_EPOLL_EVENT and use compat_sys_epoll_ctl and compat_sys_epoll_wait. All 64 bit architecture should use compat_sys_epoll_pwait. [sfr: restructure and move to fs/compat.c, remove MIPS version of compat_sys_epoll_pwait, use __put_user_unaligned] Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] uml: hostfs: make hostfs= option work as a jail, as intended.Paolo 'Blaisorblade' Giarrusso2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a given host directory is specified to be mounted both in hostfs=path1 and with mount option -o path2, we should give access to path1/path2, but this does not happen. Fix that in the simpler way. Also, root_ino can be the empty string, since we use %s/%s as format. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] uml: hostfs: fix double freePaolo 'Blaisorblade' Giarrusso2007-03-08
|/ / | | | | | | | | | | | | | | | | | | | | | | | | Fix double free in the error path - when name is assigned into root_inode we do not own it any more and we must not kfree() it - see patch for details. Thanks to William Stearns for the initial report. CC: William Stearns <wstearns@pobox.com> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [GFS2] Fix bz 229873, alternate test: assertion ↵Steven Whitehouse2007-03-07
| | | | | | | | | | | | | | | | | | | | | | "!ip->i_inode.i_mapping->nrpages" failed The following removes an incorrect assertion from the GFS2 glops code. This fixes Red Hat bz 229873. Thanks to Abhijith Das for testing the patch and confirming the fix. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Abhijith Das <adas@redhat.com>
* | [GFS2] build fixakpm@linux-foundation.org2007-03-07
| | | | | | | | | | | | | | fs/gfs2/glock.c:2198: error: 'THIS_MODULE' undeclared here (not in a function) Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | [GFS2] go_drop_bh is never used, so remove itSteven Whitehouse2007-03-07
| | | | | | | | | | | | | | The ->go_drop_bh function is never used, so this removes it and the single caller, Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] Remove unused variableSteven Whitehouse2007-03-07
| | | | | | | | | | | | Remove an unused variable. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] Fix bz 229831, lookup returns wrong inodeSteven Whitehouse2007-03-07
| | | | | | | | | | | | | | | | | | | | The following patch fixes Red Hat bz 229831. Without this patch its possible for the wrong inode to be returned in certain cases. It is a pretty unusual event, so that its taken some time to track down. Thanks and due to Josef Whiter who did a lot of the testing required to thrack this down and fix it. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] Fix bz 230143, incorrect flushing of rgrpsSteven Whitehouse2007-03-07
| | | | | | | | | | | | | | | | | | | | The below patch fixes a problem where we were not flushing rgrps correctly. It only occurred in the specific case that a callback was received for an rgrp which was dirty and when a journal log flush had not already resulted in the rgrp being flushed anyway. This fixes Red Hat bz 230143, Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] pass formal ino in do_filldir_mainWendy Cheng2007-03-07
| | | | | | | | | | | | | | | | | | ok, the following is the minimum changes to get NFSD going before we settle down this issue .. would appreciate this in the tree so other NFS related works can get done in parallel. Signed-off-by: S. Wendy Cheng <wcheng@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [DLM] fs/dlm/user.c should #include "user.h"Adrian Bunk2007-03-07
| | | | | | | | | | | | | | | | Every file should include the headers containing the prototypes for it's global functions. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] fix hangup when multiple processes are trying to write to the same fileJosef Whiter2007-03-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a problem I encountered while running bonnie++. When you have one thread that opens a file and starts to write to it, and then another thread that tries to open and write to the same file, the second thread will loop forever trying to grab the inode lock for that inode. Basically we come in through generic_buffered_file_write, which calls gfs2_prepare_write, which then attempts to grab the glock. Because we don't own the lock, gfs2_prepare_write gets GLR_TRYFAILED, which returns AOP_TRUNCATED_PAGE to generic_buffered_file_write. At this point generic_buffered_file_write loops around again and immediately retries the prepare_write. This means that the second process never gets off of the processor in order to allow the process that holds the lock to finish its work and let go of the lock. This patch makes gfs2_glock_nq schedule() if it gets back a GLR_TRYFAILED, which resolves this problem. Signed-off-by: Josef Whiter <jwhiter@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] NFS filehandle checkWendy Cheng2007-03-07
| | | | | | | | | | | | | | | | | | File handle checking error found in '07 NFS connectathon. The fh_type and fh_len are not necessarily identical. Some of the client machines could fail mount with stale filehandle without this patch. Signed-off-by: S. Wendy Cheng <wcheng@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] add newline to printk messageRichard Fearn2007-03-07
| | | | | | | | | | | | | | | | Patch for the 2.6.20 stable tree that adds a missing newline to one of the printk messages in fs/gfs2/ops_fstype.c. Signed-off-by: Richard Fearn <richardfearn@gmail.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [GFS2] fix locking mistakeJosef Whiter2007-03-07
| | | | | | | | | | | | | | | | This patch fixes a locking mistake in the quota code, we do a mutex_lock instead of a mutex_unlock. Signed-off-by: Josef Whiter <jwhiter@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | [PATCH] suspend regression: sysfs deadlockHugh Dickins2007-03-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Suspend deadlocks when trying to unregister /sys/block/sr0. This comes from Oliver's commit 94bebf4d1b8e7719f0f3944c037a21cfd99a4af7 "Driver core: fix race in sysfs between sysfs_remove_file() and read()/write()". sysfs_write_file downs buffer->sem while calling flush_write_buffer, and flushing that particular write buffer entails downing buffer->sem in orphan_all_buffers, resulting in the obvious self-deadlock. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2007-03-06
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] cifs_prepare_write was incorrectly rereading page in some cases [CIFS] Fix set file size to zero when doing chmod to Samba 3.0.26pre [CIFS] Remove some unused functions/declarations [CIFS] New file for previous commit [CIFS] cifs export operations [CIFS] small piece missing from previous patch [CIFS] Fix locking problem around some cifs uses of i_size write
| * | [CIFS] cifs_prepare_write was incorrectly rereading page in some casesSteve French2007-03-05
| | | | | | | | | | | | | | | | | | | | | Noticed by Shaggy. Signed-off-by: Shaggy <shaggy@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Fix set file size to zero when doing chmod to Samba 3.0.26preSteve French2007-02-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In fixing a bug Samba 3.0.26pre allowed some clients (including Linux cifs client) to change file size to zero in SET_FILE_UNIX_BASIC (which Linux cifs client uses for chmod). The server has been "fixed" now but that also fixes the client to net send file size zero on chmod. Fixes Samba bugzilla bug # 4418. Fixed with help from Jeremy Allison Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Remove some unused functions/declarationsSteve French2007-02-27
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] New file for previous commitSteve French2007-02-27
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] cifs export operationsSteve French2007-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For nfsd to work over cifs mounts (which presumably makes sense when trying to reexport mounts to windows, network appliances or Samba servers to nfs clients via nfs server). This is the first stage of that enablement, marked experimental and turned off by default. Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] small piece missing from previous patchSteve French2007-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There were two i_size_writes in the new truncate function - we missed one in the last patch. Noticed by Shaggy when he reviewed. Thank you Shaggy ... CC: Shaggy <shaggy@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Fix locking problem around some cifs uses of i_size writeSteve French2007-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Could cause hangs on smp systems in i_size_read on a cifs inode whose size has been previously simultaneously updated from different processes. Thanks to Brian Wang for some great testing/debugging on this hard problem. Fixes kernel bugzilla #7903 CC: Shirish Pargoankar <shirishp@us.ibm.com> CC: Shaggy <shaggy@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2007-03-06
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: sdhci: release irq during suspend sdhci: make isr tolerant of read errors mmc: require explicit support for high-speed ncpfs: make sure server connection survives a kill
| * | | ncpfs: make sure server connection survives a killPierre Ossman2007-03-06
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | Use internal buffers instead of the ones supplied by the caller so that a caller can be interrupted without having to abort the entire ncp connection. Signed-off-by: Pierre Ossman <ossman@cendio.se> Acked-by: Petr Vandrovec <petr@vandrovec.name>
* | | [PATCH] fs: nobh_truncate_page() fixDave Kleikamp2007-03-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a regression caused by 22c8ca78f20724676b6006232bf06cc3e9299539. nobh_prepare_write() no longer marks the page uptodate, so nobh_truncate_page() needs to do it. Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] Fix 2.6.21 rfcomm lockupsMark Lord2007-03-06
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Any attempt to open/use a bluetooth rfcomm device locks up scheduling completely on my machine. Interrupts (ping, alt-sysrq) seem to be alive, but nothing else. This was working fine in 2.6.20, broken now in 2.6.21-rc2-git* Reverting this change (below) fixes it: | author Marcel Holtmann <marcel@holtmann.org> | Sat, 17 Feb 2007 22:58:57 +0000 (23:58 +0100) | committer David S. Miller <davem@sunset.davemloft.net> | Mon, 26 Feb 2007 19:42:41 +0000 (11:42 -0800) | commit c1a3313698895d8ad4760f98642007bf236af2e8 | tree 337a876f727061362b6a169f8759849c105b8f7a tree | snapshot | parent f5ffd4620aba9e55656483ae1ef5c79ba81f5403 commit | diff | | [Bluetooth] Make use of device_move() for RFCOMM TTY devices | | In the case of bound RFCOMM TTY devices the parent is not available | before its usage. So when opening a RFCOMM TTY device, move it to | the corresponding ACL device as a child. When closing the device, | move it back to the virtual device tree. | Signed-off-by: Marcel Holtmann <marcel@holtmann.org> The simplest fix for this bug is to prevent sysfs_move_dir() from self-deadlocking when (old_parent == new_parent). This patch prevents total system lockup when using rfcomm devices. Signed-off-by: Mark Lord <mlord@pobox.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] ecryptfs: handle AOP_TRUNCATED_PAGE betterDmitriy Monakhov2007-03-05
| | | | | | | | | | | | | | | | | | | | | | | | | | - In fact we don't have to fail if AOP_TRUNCATED_PAGE was returned from prepare_write or commit_write. It is beter to retry attempt where it is possible. - Rearange ecryptfs_get_lower_page() error handling logic, make it more clean. Signed-off-by: Dmitriy Monakhov <dmonakhov@openvz.org> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] ecryptfs: lower root result must be adirectoryDmitriy Monakhov2007-03-05
| | | | | | | | | | | | | | | | | | | | | | - Currently after path_lookup succeed we dot't have any guarantie what it is DIR. This must be explicitly demanded. - path_lookup can't return negative dentry, So inode check is useless. Signed-off-by: Dmitriy Monakhov <dmonakhov@openvz.org> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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