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* | [PATCH] ecryptfs: check xattr operation support fixDmitriy Monakhov2007-03-052-4/+5
| | | | | | | | | | | | | | | | | | | | - ecryptfs_write_inode_size_to_metadata() error code was ignored. - i_op->setxattr() must be supported by lower fs because used below. Signed-off-by: Monakhov Dmitriy <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] ext[34]: EA block reference count racing fixMingming Cao2007-03-012-32/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are race issues around ext[34] xattr block release code. ext[34]_xattr_release_block() checks the reference count of xattr block (h_refcount) and frees that xattr block if it is the last one reference it. Unlike ext2, the check of this counter is unprotected by any lock. ext[34]_xattr_release_block() will free the mb_cache entry before freeing that xattr block. There is a small window between the check for the re h_refcount ==1 and the call to mb_cache_entry_free(). During this small window another inode might find this xattr block from the mbcache and reuse it, racing a refcount updates. The xattr block will later be freed by the first inode without notice other inode is still use it. Later if that block is reallocated as a datablock for other file, then more serious problem might happen. We need put a lock around places checking the refount as well to avoid racing issue. Another place need this kind of protection is in ext3_xattr_block_set(), where it will modify the xattr block content in- the-fly if the refcount is 1 (means it's the only inode reference it). This will also fix another issue: the xattr block may not get freed at all if no lock is to protect the refcount check at the release time. It is possible that the last two inodes could release the shared xattr block at the same time. But both of them think they are not the last one so only decreased the h_refcount without freeing xattr block at all. We need to call lock_buffer() after ext3_journal_get_write_access() to avoid deadlock (because the later will call lock_buffer()/unlock_buffer () as well). Signed-off-by: Mingming Cao <cmm@us.ibm.com> Cc: Andreas Gruenbacher <agruen@suse.de> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] eCryptfs: no path_release() after path_lookup() errorMichael Halcrow2007-03-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Dmitriy Monakhov wrote: > if path_lookup() return non zero code we don't have to worry about > 'nd' parameter, but ecryptfs_read_super does path_release(&nd) after > path_lookup has failed, and dentry counter becomes negative Do not do a path_release after a path_lookup error. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Dmitriy Monakhov <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] eCryptfs: remove unnecessary flush_dcache_page()Michael Halcrow2007-03-011-1/+0
| | | | | | | | | | | | | | | | | | | | Remove unnecessary flush_dcache_page() call. Thanks to Dmitriy Monakhov for pointing this out. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Dmitriy Monakhov <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] eCryptfs: set O_LARGEFILE when opening lower fileMichael Halcrow2007-03-012-3/+1
| | | | | | | | | | | | | | | | | | O_LARGEFILE should be set here when opening the lower file. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Dmitriy Monakhov <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] eCryptfs: resolve lower page unlocking problemMichael Halcrow2007-03-011-5/+23
| | | | | | | | | | | | | | | | | | | | | | eCryptfs lower file handling code has several issues: - Retval from prepare_write()/commit_write() wasn't checked to equality to AOP_TRUNCATED_PAGE. - In some places page wasn't unmapped and unlocked after error. Signed-off-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>
* | Merge branch 'for-linus' of ↵Linus Torvalds2007-02-261-1/+2
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: JFS: Get rid of "may be used uninitialized" warnings
| * | JFS: Get rid of "may be used uninitialized" warningsDave Kleikamp2007-02-091-1/+2
| | | | | | | | | | | | Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds2007-02-261-0/+11
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: Revert "Driver core: let request_module() send a /sys/modules/kmod/-uevent" Driver core: fix error by cleanup up symlinks properly make kernel/kmod.c:kmod_mk static power management: fix struct layout and docs power management: no valid states w/o pm_ops Driver core: more fallout from class_device changes for pcmcia sysfs: move struct sysfs_dirent to private header driver core: refcounting fix Driver core: remove class_device_rename
| * | | sysfs: move struct sysfs_dirent to private headerAdam J. Richter2007-02-231-0/+11
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | struct sysfs_dirent is private to the fs/sysfs/ subtree. It is not even referenced as an opaque structure outside of that subtree. The following patch moves the declaration from include/linux/sysfs.h to fs/sysfs/sysfs.h, making it clearer that nothing else in the kernel dereferences it. I have been running this patch for years. Please integrate and forward upstream if there are no objections. From: "Adam J. Richter" <adam@yggdrasil.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* / | sysfs: allow attributes to be added to groupsAlan Stern2007-02-231-0/+44
|/ / | | | | | | | | | | | | | | | | | | | | This patch (as860) adds two new sysfs routines: sysfs_add_file_to_group() and sysfs_remove_file_from_group(). A later patch adds code that uses the new routines. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2007-02-216-10/+28
|\ \ | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] One line missing from previous commit [CIFS] mtime bounces from local to remote when cifs nocmtime i_flags overwritten [CIFS] fix &&/& typo in cifs_setattr()
| * | [CIFS] One line missing from previous commitSteve French2007-02-172-2/+4
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] mtime bounces from local to remote when cifs nocmtime i_flags overwrittenSteve French2007-02-174-4/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | atime flag was also overwritten. Noticed by Shirish when he was debugging an atime problem. Should help performance a bit too. cifs should be getting time stamps from the server (that was the original intent too) Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] fix &&/& typo in cifs_setattr()Steve French2007-02-152-4/+6
| | | | | | | | | | | | | | | | | | | | | Thanks to Dirk for pointing this out. Signed-off-by: Dirk Mueller <dmueller@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | | [PATCH] lockdep: annotate BLKPG_DEL_PARTITIONPeter Zijlstra2007-02-201-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | >============================================= >[ INFO: possible recursive locking detected ] >2.6.19-1.2909.fc7 #1 >--------------------------------------------- >anaconda/587 is trying to acquire lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >but task is already holding lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >other info that might help us debug this: >1 lock held by anaconda/587: > #0: (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >stack backtrace: > [<c0405812>] show_trace_log_lvl+0x1a/0x2f > [<c0405db2>] show_trace+0x12/0x14 > [<c0405e36>] dump_stack+0x16/0x18 > [<c043bd84>] __lock_acquire+0x116/0xa09 > [<c043c960>] lock_acquire+0x56/0x6f > [<c05fb1fa>] __mutex_lock_slowpath+0xe5/0x24a > [<c05fb380>] mutex_lock+0x21/0x24 > [<c04d82fb>] blkdev_ioctl+0x600/0x76d > [<c04946b1>] block_ioctl+0x1b/0x1f > [<c047ed5a>] do_ioctl+0x22/0x68 > [<c047eff2>] vfs_ioctl+0x252/0x265 > [<c047f04e>] sys_ioctl+0x49/0x63 > [<c0404070>] syscall_call+0x7/0xb Annotate BLKPG_DEL_PARTITION's bd_mutex locking and add a little comment clarifying the bd_mutex locking, because I confused myself and initially thought the lock order was wrong too. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] Missing __user in pointer referenced within copy_from_userGlauber de Oliveira Costa2007-02-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Pointers to user data should be marked with a __user hint. This one is missing. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] affs: implement ->drop_inodeChristoph Hellwig2007-02-203-6/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | affs wants to truncate the inode when the last user goes away, currently it does that through a potentially racy i_count check in ->put_inode. But we already have a method that's called just after the we dropped the last reference, ->drop_inode. This patch implements affs_drop_inode to take advantage of this. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] autofs4: check for directory re-create in lookupIan Kent2007-02-201-4/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This problem was identified and fixed some time ago by Jeff Moyer but it fell through the cracks somehow. It is possible that a user space application could remove and re-create a directory during a request. To avoid returning a failure from lookup incorrectly when our current dentry is unhashed we need to check if another positive, hashed dentry matching this one exists and if so return it instead of a fail. Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] autofs4: fix another race between mount and expireIan Kent2007-02-203-23/+161
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jeff Moyer has identified a race between mount and expire. What happens is that during an expire the situation can arise that a directory is removed and another lookup is done before the expire issues a completion status to the kernel module. In this case, since the the lookup gets a new dentry, it doesn't know that there is an expire in progress and when it posts its mount request, matches the existing expire request and waits for its completion. ENOENT is then returned to user space from lookup (as the dentry passed in is now unhashed) without having performed the mount request. The solution used here is to keep track of dentrys in this unhashed state and reuse them, if possible, in order to preserve the flags. Additionally, this infrastructure will provide the framework for the reintroduction of caching of mount fails removed earlier in development. Signed-off-by: Ian Kent <raven@themaw.net> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] autofs4: header file updateIan Kent2007-02-201-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current header file definitions for autofs version 5 have caused a couple of problems for application builds downstream. This fixes the problem by separating the definitions. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] fs: fix nobh data leakNick Piggin2007-02-201-18/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nobh_prepare_write leaks data similarly to how simple_prepare_write did. Fix by not marking the page uptodate until nobh_commit_write time. Again, this could break weird use-cases, but none appear to exist in the tree. We can safely remove the set_page_dirty, because as the comment says, nobh_commit_write does set_page_dirty. If a filesystem wants to allocate backing store for a page dirtied via mmap, page_mkwrite is the suggested approach. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] fs: fix libfs data leakNick Piggin2007-02-201-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | simple_prepare_write leaks uninitialised kernel data. This happens because the it leaves an uninitialised "hole" over the part of the page that the write is expected to go to. This is fine, but it then marks the page uptodate, which means a concurrent read can come in and copy the uninitialised memory into userspace before it written to. Fix it by simply marking it uptodate in simple_commit_write instead, after the hole has been filled in. This could theoretically break an fs that uses simple_prepare_write and not simple_commit_write, and that relies on the incorrect simple_prepare_write behaviour. Luckily, none of those exists in the tree. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] ext[234]: update documentationAneesh Kumar K.V2007-02-203-3/+3
| | | | | | | | | | | | | | | | | | Signed-off-by: "Aneesh Kumar K.V" <aneesh.kumar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] FAT: DIO-write fallback to normal bufferedOGAWA Hirofumi2007-02-201-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the DIO write on FAT is expanding the size, it will be fail by -EINVAL, because FAT can't handle it now. This patch fallback it to the normal buffered-write and would return success. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] fs: fix __block_write_full_page error case buffer submissionNick Piggin2007-02-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Andrew noticed that unlocking the page before submitting all buffers for writeout could cause problems if the IO completes before we've finished messing around with the page buffers, and they subsequently get freed. Even if there were no bug, it is a good idea to bring the error case into line with the common case here. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] rework reserved major handlingAndrew Morton2007-02-201-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several people have reported failures in dynamic major device number handling due to the recent changes in there to avoid handing out the local/experimental majors. Rolf reports that this is due to a gcc-4.1.0 bug. The patch refactors that code a lot in an attempt to provoke the compiler into behaving. Cc: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] xfs warning fixAndrew Morton2007-02-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | fs/xfs/linux-2.6/xfs_super.c:903: warning: 'noinline' attribute ignored Cc: David Chinner <dgc@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] Fix a free-wrong-pointer bug in nfs/acl server.Greg Banks2007-02-191-5/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | Due to type confusion, when an nfsacl verison 2 'ACCESS' request finishes and tries to clean up, it calls fh_put on entiredly the wrong thing and this can cause an oops. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | [PATCH] fs/stack.c: Copy i_nlink after all other attributes are copiedErez Zadok2007-02-191-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | A user-specified get_nlinks may depend on other inode attributes. Cc: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge git://git.infradead.org/mtd-2.6Linus Torvalds2007-02-194-157/+90
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: (49 commits) [MTD] [NAND] S3C2412 fix hw ecc [MTD] [NAND] Work around false compiler warning in CAFÉ driver [JFFS2] printk warning fixes [MTD] [MAPS] ichxrom warning fix [MTD] [MAPS] amd76xrom warning fix [MTD] [MAPS] esb2rom warning fixes [MTD] [MAPS] ck804xrom warning fix [MTD] [MAPS] netsc520 warning fix [MTD] [MAPS] sc520cdp warning fix [MTD] [ONENAND] onenand_base warning fix [MTD] [NAND] eXcite nand flash driver [MTD] Improve heuristic for detecting wrong-endian RedBoot partition table [MTD] Fix RedBoot partition parsing regression harder. [MTD] [NAND] S3C2410: Hardware ECC correction code [JFFS2] Use MTD_OOB_AUTO to automatically place cleanmarker on NAND [MTD] Clarify OOB-operation interface comments [MTD] remove unused ecctype,eccsize fields from struct mtd_info [MTD] [NOR] Intel: remove ugly PROGREGION macros [MTD] [NOR] STAA: use writesize instead off eccsize to represent ECC block [MTD] OneNAND: Invalidate bufferRAM after erase ...
| * | | [JFFS2] printk warning fixesAndrew Morton2007-02-181-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fs/jffs2/wbuf.c: In function 'jffs2_check_oob_empty': fs/jffs2/wbuf.c:993: warning: format '%d' expects type 'int', but argument 3 has type 'size_t' fs/jffs2/wbuf.c:993: warning: format '%d' expects type 'int', but argument 4 has type 'size_t' fs/jffs2/wbuf.c: In function 'jffs2_check_nand_cleanmarker': fs/jffs2/wbuf.c:1036: warning: format '%d' expects type 'int', but argument 3 has type 'size_t' fs/jffs2/wbuf.c:1036: warning: format '%d' expects type 'int', but argument 4 has type 'size_t' fs/jffs2/wbuf.c: In function 'jffs2_write_nand_cleanmarker': fs/jffs2/wbuf.c:1062: warning: format '%d' expects type 'int', but argument 3 has type 'size_t' fs/jffs2/wbuf.c:1062: warning: format '%d' expects type 'int', but argument 4 has type 'size_t' Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Use MTD_OOB_AUTO to automatically place cleanmarker on NANDArtem Bityutskiy2007-02-093-148/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nowadays MTD supports an MTD_OOB_AUTO option which allows users to access free bytes in NAND's OOB as a contiguous buffer, although it may be highly discontinuous. This patch teaches JFFS2 to use this nice feature instead of the old MTD_OOB_PLACE option. This for example caused problems with OneNAND. Now JFFS2 does not care how are the free bytes situated. This may change position of the clean marker on some flashes, but this is not a problem. JFFS2 will just re-erase the empty eraseblocks and write the new (correct) clean marker. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | JFFS2: memory leak in jffs2_do_mount_fs()Dmitry Adamushko2007-02-091-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If jffs2_sum_init() fails, c->blocks is not freed neither in jffs2_do_mount_fs() nor in jffs2_do_fill_super(). Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | | | Merge branch 'for-linus' of ↵Linus Torvalds2007-02-199-11/+83
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: implement optional loose read cache 9p: Use kthread_stop instead of sending a SIGKILL.
| * | | | 9p: implement optional loose read cacheEric Van Hensbergen2007-02-188-7/+82
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While cacheing is generally frowned upon in the 9p world, it has its place -- particularly in situations where the remote file system is exclusive and/or read-only. The vacfs views of venti content addressable store are a real-world instance of such a situation. To facilitate higher performance for these workloads (and eventually use the fscache patches), we have enabled a "loose" cache mode which does not attempt to maintain any form of consistency on the page-cache or dcache. This results in over two orders of magnitude performance improvement for cacheable block reads in the Bonnie benchmark. The more aggressive use of the dcache also seems to improve metadata operational performance. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | | | 9p: Use kthread_stop instead of sending a SIGKILL.Eric W. Biederman2007-02-181-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the kthread api does not bump the reference count on processes that tracked it is not safe allow user space to kill the threads, as I still retain a pointer to the task_struct. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
* | | | | Merge branch 'audit.b37' of ↵Linus Torvalds2007-02-191-0/+7
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b37' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: [PATCH] AUDIT_FD_PAIR [PATCH] audit config lockdown [PATCH] minor update to rule add/delete messages (ver 2)
| * | | | | [PATCH] AUDIT_FD_PAIRAl Viro2007-02-171-0/+7
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide an audit record of the descriptor pair returned by pipe() and socketpair(). Rewritten from the original posted to linux-audit by John D. Ramsdell <ramsdell@mitre.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2007-02-195-12/+12
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits) Documentation/kernel-docs.txt update. arch/cris: typo in KERN_INFO Storage class should be before const qualifier kernel/printk.c: comment fix update I/O sched Kconfig help texts - CFQ is now default, not AS. Remove duplicate listing of Cris arch from README kbuild: more doc. cleanups doc: make doc. for maxcpus= more visible drivers/net/eexpress.c: remove duplicate comment add a help text for BLK_DEV_GENERIC correct a dead URL in the IP_MULTICAST help text fix the BAYCOM_SER_HDX help text fix SCSI_SCAN_ASYNC help text trivial documentation patch for platform.txt Fix typos concerning hierarchy Fix comment typo "spin_lock_irqrestore". Fix misspellings of "agressive". drivers/scsi/a100u2w.c: trivial typo patch Correct trivial typo in log2.h. Remove useless FIND_FIRST_BIT() macro from cardbus.c. ...
| * | | | | Storage class should be before const qualifierTobias Klauser2007-02-171-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | | | | Fix typos concerning hierarchyUwe Kleine-König2007-02-172-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | heirarchical, hierachical -> hierarchical heirarchy, hierachy -> hierarchy Signed-off-by: Uwe Kleine-König <zeisberg@informatik.uni-freiburg.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | | | | Fix misspellings of "agressive".Robert P. J. Day2007-02-171-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the various misspellings of "agressive", as well as a couple other things on the same lines while we're there. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | | | | Replace remaining references to "driverfs" with "sysfs".Robert P. J. Day2007-02-171-1/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Globally, s/driverfs/sysfs/g. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | | | | Merge branch 'kill-jffs' of ↵Linus Torvalds2007-02-1910-6628/+0
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'kill-jffs' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6: Remove JFFS (version 1), as scheduled.
| * | | | | Remove JFFS (version 1), as scheduled.Jeff Garzik2007-02-1710-6628/+0
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | Unmaintained for years, few if any users. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | | | | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds2007-02-191-1/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI: Make PCI device numa-node attribute visible in sysfs PCI: add systems for automatic breadth-first device sorting PCI: PCI devices get assigned redundant IRQs PCI: Make CARDBUS_MEM_SIZE and CARDBUS_IO_SIZE boot options PCI: pci.txt fix __devexit() usage PCI/sysfs/kobject kernel-doc fixes
| * | | | | PCI/sysfs/kobject kernel-doc fixesRandy Dunlap2007-02-161-1/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix kernel-doc warnings in PCI, sysfs, and kobject files. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | | | debugfs: Remove misleading comments.Cornelia Huck2007-02-161-9/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just mention which error will be returned if debugfs is disabled. Callers should be able to figure out themselves what they need to check. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | | | debugfs: implement symbolic linksPeter Oberparleiter2007-02-162-4/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | debugfs: implement symbolic links Implement a new function debugfs_create_symlink() which can be used to create symbolic links in debugfs. This function can be useful for people moving functionality from /proc to debugfs (e.g. the gcov-kernel patch). Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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