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2006-01-04[PATCH] sysfs: handle failures in sysfs_make_direntSteven Rostedt
I noticed that if sysfs_make_dirent fails to allocate the sd, then a null will be passed to sysfs_put. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-04[PATCH] Driver core: Make block devices create the proper symlink nameGreg Kroah-Hartman
Block devices need to add the block device name to the symlink they put in the device directory, otherwise multiple symlinks of the same name can be created. This matches the class system, which works the same way, we just forgot to convert block at the same time. Cc: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-04[PATCH] driver core: replace "hotplug" by "uevent"Kay Sievers
Leave the overloaded "hotplug" word to susbsystems which are handling real devices. The driver core does not "plug" anything, it just exports the state to userspace and generates events. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-04[PATCH] remove mount/umount uevents from superblock handlingKay Sievers
The names of these events have been confusing from the beginning on, as they have been more like claim/release events. We needed these events for noticing HAL if storage devices have been mounted. Thanks to Al, we have the proper solution now and can poll() /proc/mounts instead to get notfied about mount tree changes. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-12-30Insanity avoidance in /procLinus Torvalds
The old /proc interfaces were never updated to use loff_t, and are just generally broken. Now, we should be using the seq_file interface for all of the proc files, but converting the legacy functions is more work than most people care for and has little upside.. But at least we can make the non-LFS rules explicit, rather than just insanely wrapping the offset or something. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-29[PATCH] uml: hostfs - fix possible PAGE_CACHE_SHIFT overflowsPaolo 'Blaisorblade' Giarrusso
Prevent page->index << PAGE_CACHE_SHIFT from overflowing. There is a casting there, but was added without care, so it's at the wrong place. Note the extra parens around the shift - "+" is higher precedence than "<<", leading to a GCC warning which saved all us. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-29[PATCH] Hostfs: remove unused varPaolo 'Blaisorblade' Giarrusso
Trivial removal of unused variable from this file - doesn't even change the generated assembly code, in fact (gcc should trigger a warning for unused value here). Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-22[SPARC]: introduce a SPARC Kconfig symbolAdrian Bunk
Introduce a Kconfig symbol SPARC that is defined on both the sparc and sparc64 architectures. This symbol makes some dependencies more readable. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-12-22[PATCH] fix posix lock on NFSASANO Masahiro
NFS client prevents mandatory lock, but there is a flaw on it; Locks are possibly left if the mode is changed while locking. This permits unlocking even if the mandatory lock bits are set. Signed-off-by: ASANO Masahiro <masano@tnes.nec.co.jp> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-20[PATCH] relayfs: remove warning printk() in relay_switch_subbuf()Tom Zanussi
There's currently a diagnostic printk in relay_switch_subbuf() meant as a warning if you accidentally try to log an event larger than the sub-buffer size. The problem is if this happens while logging from somewhere it's not safe to be doing printks, such as in the scheduler, you can end up with a deadlock. This patch removes the warning from relay_switch_subbuf() and instead prints some diagnostic info when the channel is closed. Thanks to Mathieu Desnoyers for pointing out the problem and suggesting a fix. Signed-off-by: Tom Zanussi <zanussi@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-20[PATCH] nfsd: check for read-only exports before setting aclsAndreas Gruenbacher
We must check for MAY_SATTR before setting acls, which includes checking for read-only exports: the lower-level setxattr operation that eventually sets the acl cannot check export-level restrictions. Bug reported by Martin Walter <mawa@uni-freiburg.de>. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-19NLM: Fix Oops in nlmclnt_mark_reclaim()Trond Myklebust
When mixing -olock and -onolock mounts on the same client, we have to check that fl->fl_u.nfs_fl.owner is set before dereferencing it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-19NFS: Fix another O_DIRECT raceTrond Myklebust
Ensure we call unmap_mapping_range() and sync dirty pages to disk before doing an NFS direct write. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-15[PATCH] xfs: missing gfp_t annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-14[PATCH] reiserfs: close open transactions on error pathJeff Mahoney
The following patch fixes a bug where if the journal is aborted, it can leave a transaction open. The result will be a BUG when another code path attempts to start a transaction and will get a "nesting into different fs" error, since current->journal_info will be left non-NULL. Original fix against SUSE kernel by Chris Mason <mason@suse.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-14[PATCH] reiserfs: skip commit on io errorJeff Mahoney
This should have been part of the original io error patch, but got dropped somewhere along the way. It's extremely important when handling the i/o error in the journal to not commit the transaction with corrupt data. This patch adds that code back in. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-12[PATCH] inotify: add two inotify_add_watch flagsJohn McCutchan
The below patch lets userspace have more control over the inodes that inotify will watch. It introduces two new flags. IN_ONLYDIR -- only watch the inode if it is a directory. This is needed to avoid the race that can occur when we want to be sure that we are watching a directory. IN_DONT_FOLLOW -- don't follow a symlink. In combination with IN_ONLYDIR we can make sure that we don't watch the target of symlinks. The issues the flags fix came up when writing the gnome-vfs inotify backend. Default behaviour is unchanged. Signed-off-by: John McCutchan <ttb@tentacle.dhs.org> Acked-by: Robert Love <rml@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-12[PATCH] Fix listxattr() for generic security attributesDaniel Drake
Commit f549d6c18c0e8e6cf1bf0e7a47acc1daf7e2cec1 introduced a generic fallback for security xattrs, but appears to include a subtle bug. Gentoo users with kernels with selinux compiled in, and coreutils compiled with acl support, noticed that they could not copy files on tmpfs using 'cp'. cp (compiled with acl support) copies the file, lists the extended attributes on the old file, copies them all to the new file, and then exits. However the listxattr() calls were failing with this odd behaviour: llistxattr("a.out", (nil), 0) = 17 llistxattr("a.out", 0x7fffff8c6cb0, 17) = -1 ERANGE (Numerical result out of range) I believe this is a simple problem in the logic used to check the buffer sizes; if the user sends a buffer the exact size of the data, then its ok :) This change solves the problem. More info can be found at http://bugs.gentoo.org/113138 Signed-off-by: Daniel Drake <dsd@gentoo.org> Acked-by: James Morris <jmorris@namei.org> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-03NFSv4: Fix an Oops in the synchronous write pathTrond Myklebust
- Missing initialisation of attribute bitmask in _nfs4_proc_write() - On success, _nfs4_proc_write() must return number of bytes written. - Missing post_op_update_inode() in _nfs4_proc_write() - Missing initialisation of attribute bitmask in _nfs4_proc_commit() - Missing post_op_update_inode() in _nfs4_proc_commit() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-03NFS: Fix post-op attribute revalidation...Trond Myklebust
- Missing nfs_mark_for_revalidate in nfs_proc_link() - Missing nfs_mark_for_revalidate in nfs_rename() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-03NFS: use set_page_writeback() in the appropriate placesTrond Myklebust
Ensure that we use set_page_writeback() in the appropriate places to help the VM in keeping its page radix_tree in sync. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-03NFS: Fix a few further cache consistency regressionsTrond Myklebust
Steve Dickson writes: Doing the following: 1. On server: $ mkdir ~/t $ echo Hello > ~/t/tmp 2. On client, wait for a string to appear in this file: $ until grep -q foo t/tmp ; do echo -n . ; sleep 1 ; done 3. On server, create a *new* file with the same name containing that string: $ mv ~/t/tmp ~/t/tmp.old; echo foo > ~/t/tmp will show how the client will never (and I mean never ;-) ) see the updated file. The problem is that we do not update nfsi->cache_change_attribute when the file changes on the server (we only update it when our client makes the changes). This again means that functions like nfs_check_verifier() will fail to register when the parent directory has changed and should trigger a dentry lookup revalidation. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-12-03NFS: Fix cache consistency regressionSteve Dickson
Make sure cache_change_attribute is initialized to jiffies so when the mtime changes on directory, the directory will be refreshed. Signed-off by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-11-29[CIFS] For previous fix, mode on mkdir needed S_IFDIR left out.Steve French
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[CIFS] Missing parenthesis and typo in previous fixSteve French
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French
2005-11-29[CIFS] Fix umount --force to wake up the pending response queue, not justSteve French
the request queue. Also periodically wakeup response_q so threads can check if stuck requests have timed out. Workaround Windows server illegal smb length on transact2 findfirst response. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[CIFS] Fix missing permission check on setattr when noperm mount option isSteve French
disabled. Also set mode, uid, gid better on mkdir and create for the case when Unix Extensions is not enabled and setuids is enabled. This is necessary to fix the hole in which chown could be allowed for non-root users in some cases if root mounted, and also to display the mode and uid properly in some cases. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[PATCH] hfsplus: don't modify journaled volumeRoman Zippel
Access to a journaled HFS+ volume is not officially supported under Linux, so mount such a volume read-only, but users can override this behaviour using the "force" mount option. The minimum requirement to relax this check is to at least check that the journal is empty and so nothing needs to be replayed to make sure the volume is consistent. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-29[PATCH] reiserfs: handle cnode allocation failure gracefullyJeff Mahoney
If an external device is used for a journal, by default it will use the entire device. The reiserfs journal code allocates structures per journal block when it mounts the file system. If the journal device is too large, and memory cannot be allocated for the structures, it will continue and ultimately panic when it can't pull one off the free list. This patch handles the allocation failure gracefully and prints an error message at mount time. Changes: Updated error message to be more descriptive to the user. Discussed and approved on ReiserFS Mailing List, Nov 28. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-29VM: add common helper function to create the page tablesLinus Torvalds
This logic was duplicated four times, for no good reason. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-29[JFFS2] Fix the slab cache constructor of 'struct jffs2_inode_info' objects.Thomas Gleixner
JFFS2 initialize f->sem mutex as "locked" in the slab constructor which is a bug. Objects are freed with unlocked f->sem mutex. So, when they allocated again, f->sem is unlocked because the slab cache constructor is not called for them. The constructor is called only once when memory pages are allocated for objects (namely, when the slab layer allocates new slabs). So, sometimes 'struct jffs2_inode_info' are allocated with unlocked f->sem, sometimes with locked. This is a bug. Instead, initialize f->sem as unlocked in the constructor. I.e., in the "constructed" state f->sem must be unlocked. From: Keijiro Yano <keijiro_yano@yahoo.co.jp> Acked-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2005-11-28[PATCH] fuse: check for invalid node ID in fuse_create_open()Miklos Szeredi
Check for invalid node ID values in the new atomic create+open method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[PATCH] fuse: check directory aliasing in mkdirMiklos Szeredi
Check the created directory inode for aliases in the mkdir() method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[PATCH] Fix oops in vfs_quotaon_mount()Jan Kara
When quota file specified in mount options did not exist, we tried to dereference NULL pointer later. Fix it. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[PATCH] v9fs: fix memory leak in v9fs dentry codeLatchesar Ionkov
Assign the appropriate dentry operations to the dentry. Fixes memory leak. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[PATCH] ext3: Wrong return value for EXT3_IOC_GROUP_ADDGlauber de Oliveira Costa
This patch corrects the return value for the EXT3_IOC_GROUP_ADD in case it fails due to the presence of multiple resizers at the filesystem. The problem is a little bit more serious than a wrong return value in this case, since the clause err=0 in the exit_journal path will lead to a call to update_backups which in turns causes a NULL pointer dereference. Signed-off-by: Glauber de Oliveira Costa <glommer@br.ibm.com> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: Andreas Dilger <adilger@clusterfs.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[PATCH] reiserfs: fix 32-bit overflow in map_block_for_writepage()Oleg Drokin
I now see another overflow in reiserfs that should lead to data corruptions with files that are bigger than 4G under certain circumstances when using mmap. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28mm: re-architect the VM_UNPAGED logicLinus Torvalds
This replaces the (in my opinion horrible) VM_UNMAPPED logic with very explicit support for a "remapped page range" aka VM_PFNMAP. It allows a VM area to contain an arbitrary range of page table entries that the VM never touches, and never considers to be normal pages. Any user of "remap_pfn_range()" automatically gets this new functionality, and doesn't even have to mark the pages reserved or indeed mark them any other way. It just works. As a side effect, doing mmap() on /dev/mem works for arbitrary ranges. Sparc update from David in the next commit. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-28[CIFS] When file is deleted locally but later recreated on the serverSteve French
fix cifs negative dentries so they are freed faster (not requiring umount or readdir e.g.) so the client recognizes the new file on the server more quickly. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-25NFS: Fix a spinlock recursion inside nfs_update_inode()Trond Myklebust
In cases where the server has gone insane, nfs_update_inode() may end up calling nfs_invalidate_inode(), which again calls stuff that takes the inode->i_lock that we're already holding. In addition, given the sort of things we have in NFS these days that need to be cleaned up on inode release, I'm not sure we should ever be calling make_bad_inode(). Fix up spinlock recursion, and limit nfs_invalidate_inode() to clearing the caches, and marking the inode as being stale. Thanks to Steve Dickson <SteveD@redhat.com> for spotting this. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-11-25NFSv4: Fix typo in lock cachingTrond Myklebust
When caching locks due to holding a file delegation, we must always check against local locks before sending anything to the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-11-25NFSv4: Fix buggy nfs_wait_on_sequence()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-11-25[XFS] Resolve the xlog_grant_log_space hang, revert inline to macro.Nathan Scott
SGI-PV: 946205 SGI-Modid: xfs-linux-melb:xfs-kern:24567a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-25[XFS] Fix a case where attr2 format was being used unconditionally.Nathan Scott
SGI-PV: 941645 SGI-Modid: xfs-linux-melb:xfs-kern:24566a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-25[XFS] Tight loop in xfs_finish_reclaim_all prevented the xfslogd to runFelix Blyakher
its queue of IO completion callbacks, thus creating the deadlock between umount and xfslogd. Breaking the loop solves the problem. SGI-PV: 943821 SGI-Modid: xfs-linux-melb:xfs-kern:202363a Signed-off-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-25[XFS] Fix a 32 bit value wraparound when providing a mapping for a largeNathan Scott
direct write. SGI-PV: 944820 SGI-Modid: xfs-linux-melb:xfs-kern:24351a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-25[XFS] handle error returns from freeze_bdevChristoph Hellwig
SGI-PV: 945483 SGI-Modid: xfs-linux-melb:xfs-kern:201884a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-25[XFS] Fix potential overflow in xfs_iomap_t delta for very large extentsEric Sandeen
SGI-PV: 945311 SGI-Modid: xfs-linux-melb:xfs-kern:201708a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-23[PATCH] jffs2 debug gcc-2.9x fixAndrew Morton
Work around gcc-2.95.x macro expansion bug. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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