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2008-07-21sysfs: don't call notify_changeMiklos Szeredi
sysfs_chmod_file() calls notify_change() to change the permission bits on a sysfs file. Replace with explicit call to sysfs_setattr() and fsnotify_change(). This is equivalent, except that security_inode_setattr() is not called. This function is called by drivers, so the security checks do not make any sense. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21driver core: remove KOBJ_NAME_LEN defineKay Sievers
Kobjects do not have a limit in name size since a while, so stop pretending that they do. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: coda: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-20Merge branch 'for-2.6.27' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.27' of git://linux-nfs.org/~bfields/linux: (51 commits) nfsd: nfs4xdr.c do-while is not a compound statement nfsd: Use C99 initializers in fs/nfsd/nfs4xdr.c lockd: Pass "struct sockaddr *" to new failover-by-IP function lockd: get host reference in nlmsvc_create_block() instead of callers lockd: minor svclock.c style fixes lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_lock lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_testlock lockd: nlm_release_host() checks for NULL, caller needn't file lock: reorder struct file_lock to save space on 64 bit builds nfsd: take file and mnt write in nfs4_upgrade_open nfsd: document open share bit tracking nfsd: tabulate nfs4 xdr encoding functions nfsd: dprint operation names svcrdma: Change WR context get/put to use the kmem cache svcrdma: Create a kmem cache for the WR contexts svcrdma: Add flush_scheduled_work to module exit function svcrdma: Limit ORD based on client's advertised IRD svcrdma: Remove unused wait q from svcrdma_xprt structure svcrdma: Remove unneeded spin locks from __svc_rdma_free svcrdma: Add dma map count and WARN_ON ...
2008-07-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (1232 commits) iucv: Fix bad merging. net_sched: Add size table for qdiscs net_sched: Add accessor function for packet length for qdiscs net_sched: Add qdisc_enqueue wrapper highmem: Export totalhigh_pages. ipv6 mcast: Omit redundant address family checks in ip6_mc_source(). net: Use standard structures for generic socket address structures. ipv6 netns: Make several "global" sysctl variables namespace aware. netns: Use net_eq() to compare net-namespaces for optimization. ipv6: remove unused macros from net/ipv6.h ipv6: remove unused parameter from ip6_ra_control tcp: fix kernel panic with listening_get_next tcp: Remove redundant checks when setting eff_sacks tcp: options clean up tcp: Fix MD5 signatures for non-linear skbs sctp: Update sctp global memory limit allocations. sctp: remove unnecessary byteshifting, calculate directly in big-endian sctp: Allow only 1 listening socket with SO_REUSEADDR sctp: Do not leak memory on multiple listen() calls sctp: Support ipv6only AF_INET6 sockets. ...
2008-07-20Merge branch 'configfs-fixup-ptr-error' of ↵Linus Torvalds
git://oss.oracle.com/git/jlbec/linux-2.6 * 'configfs-fixup-ptr-error' of git://oss.oracle.com/git/jlbec/linux-2.6: configfs: Allow ->make_item() and ->make_group() to return detailed errors. Revert "configfs: Allow ->make_item() and ->make_group() to return detailed errors."
2008-07-20tty: Ldisc revampAlan Cox
Move the line disciplines towards a conventional ->ops arrangement. For the moment the actual 'tty_ldisc' struct in the tty is kept as part of the tty struct but this can then be changed if it turns out that when it all settles down we want to refcount ldiscs separately to the tty. Pull the ldisc code out of /proc and put it with our ldisc code. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-19Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6
2008-07-18nfsd: nfs4xdr.c do-while is not a compound statementHarvey Harrison
The WRITEMEM macro produces sparse warnings of the form: fs/nfsd/nfs4xdr.c:2668:2: warning: do-while statement is not a compound statement Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-18nfsd: Use C99 initializers in fs/nfsd/nfs4xdr.cJ. Bruce Fields
Thanks to problem report and original patch from Harvey Harrison. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Harvey Harrison <harvey.harrison@gmail.com> Cc: Benny Halevy <bhalevy@panasas.com>
2008-07-18proc: consolidate per-net single-release callersPavel Emelyanov
They are symmetrical to single_open ones :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18proc: consolidate per-net single_open callersPavel Emelyanov
There are already 7 of them - time to kill some duplicate code. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
2008-07-17configfs: Allow ->make_item() and ->make_group() to return detailed errors.Joel Becker
The configfs operations ->make_item() and ->make_group() currently return a new item/group. A return of NULL signifies an error. Because of this, -ENOMEM is the only return code bubbled up the stack. Multiple folks have requested the ability to return specific error codes when these operations fail. This patch adds that ability by changing the ->make_item/group() ops to return ERR_PTR() values. These errors are bubbled up appropriately. NULL returns are changed to -ENOMEM for compatibility. Also updated are the in-kernel users of configfs. This is a rework of reverted commit 11c3b79218390a139f2d474ee1e983a672d5839a. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-17Revert "configfs: Allow ->make_item() and ->make_group() to return detailed ↵Joel Becker
errors." This reverts commit 11c3b79218390a139f2d474ee1e983a672d5839a. The code will move to PTR_ERR(). Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-17Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: [PATCH] ocfs2: fix oops in mmap_truncate testing configfs: call drop_link() to cleanup after create_link() failure configfs: Allow ->make_item() and ->make_group() to return detailed errors. configfs: Fix failing mkdir() making racing rmdir() fail configfs: Fix deadlock with racing rmdir() and rename() configfs: Make configfs_new_dirent() return error code instead of NULL configfs: Protect configfs_dirent s_links list mutations configfs: Introduce configfs_dirent_lock ocfs2: Don't snprintf() without a format. ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs ocfs2/net: Silence build warnings on sparc64 ocfs2: Handle error during journal load ocfs2: Silence an error message in ocfs2_file_aio_read() ocfs2: use simple_read_from_buffer() ocfs2: fix printk format warnings with OCFS2_FS_STATS=n [PATCH 2/2] ocfs2: Instrument fs cluster locks [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
2008-07-16[PATCH] ocfs2: fix oops in mmap_truncate testingColy Li
This patch fixes a mmap_truncate bug which was found by ocfs2 test suite. In an ocfs2 cluster more than 1 node, run program mmap_truncate, which races mmap writes and truncates from multiple processes. While the test is running, a stat from another node forces writeout, causing an oops in ocfs2_get_block() because it sees a buffer to write which isn't allocated. This patch fixed the bug by clear dirty and uptodate bits in buffer, leave the buffer unmapped and return. Fix is suggested by Mark Fasheh, and I code up the patch. Signed-off-by: Coly Li <coyli@suse.de> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-16Merge branch 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6Linus Torvalds
* 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6: UBIFS: include to compilation UBIFS: add new flash file system UBIFS: add brief documentation MAINTAINERS: add UBIFS section do_mounts: allow UBI root device name VFS: export sync_sb_inodes VFS: move inode_lock into sync_sb_inodes
2008-07-16Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (82 commits) NFSv4: Remove BKL from the nfsv4 state recovery SUNRPC: Remove the BKL from the callback functions NFS: Remove BKL from the readdir code NFS: Remove BKL from the symlink code NFS: Remove BKL from the sillydelete operations NFS: Remove the BKL from the rename, rmdir and unlink operations NFS: Remove BKL from NFS lookup code NFS: Remove the BKL from nfs_link() NFS: Remove the BKL from the inode creation operations NFS: Remove BKL usage from open() NFS: Remove BKL usage from the write path NFS: Remove the BKL from the permission checking code NFS: Remove attribute update related BKL references NFS: Remove BKL requirement from attribute updates NFS: Protect inode->i_nlink updates using inode->i_lock nfs: set correct fl_len in nlmclnt_test() SUNRPC: Support registering IPv6 interfaces with local rpcbind daemon SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier SUNRPC: None of rpcb_create's callers wants a privileged source port SUNRPC: Introduce a specific rpcb_create for contacting localhost ...
2008-07-16Fix compile issues in fs/compat_ioctl.c when CONFIG_BLOCK is disabledRandy Dunlap
Fix fs/compat_ioctl.c to handle CONFIG_BLOCK=n, CONFIG_SCSI=n to avoid build errors: In file included from include/scsi/scsi.h:12, from fs/compat_ioctl.c:71: include/scsi/scsi_cmnd.h:27:25: warning: "BLK_MAX_CDB" is not defined include/scsi/scsi_cmnd.h:28:3: error: #error MAX_COMMAND_SIZE can not be bigger than BLK_MAX_CDB In file included from include/scsi/scsi.h:12, from fs/compat_ioctl.c:71: include/scsi/scsi_cmnd.h: In function 'scsi_bidi_cmnd': include/scsi/scsi_cmnd.h:182: error: implicit declaration of function 'blk_bidi_rq' include/scsi/scsi_cmnd.h:183: error: dereferencing pointer to incomplete type include/scsi/scsi_cmnd.h: In function 'scsi_in': include/scsi/scsi_cmnd.h:189: error: dereferencing pointer to incomplete type Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15Merge branch 'bkl-removal' into nextTrond Myklebust
2008-07-15Merge branch 'devel' into nextTrond Myklebust
Conflicts: fs/nfs/file.c Fix up the conflict with Jon Corbet's bkl-removal tree
2008-07-15NFSv4: Remove BKL from the nfsv4 state recoveryTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15SUNRPC: Remove the BKL from the callback functionsTrond Myklebust
Push it into those callback functions that actually need it. Note that all the NFS operations use their own locking, so don't need the BKL. Ditto for the rpcbind client. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL from the readdir codeTrond Myklebust
Page accesses are serialised using the page locks, whereas all attribute updates are serialised using the inode->i_lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL from the symlink codeTrond Myklebust
Page cache accesses are serialised using page locks, whereas attribute updates are serialised using inode->i_lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL from the sillydelete operationsTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove the BKL from the rename, rmdir and unlink operationsTrond Myklebust
Attribute updates are safe, and dentry operations are protected using VFS level locks. Defer removing the BKL from sillyrename until a separate patch. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL from NFS lookup codeTrond Myklebust
All dentry-related operations are already BKL-safe, since they are protected by the VFS locking. No extra locks should be needed in the NFS code. In the case of nfs_revalidate_inode(), we're only doing an attribute update (protected by the inode->i_lock). In the case of nfs_lookup(), we're instantiating a new dentry, so there should be no contention possible until after we call d_materialise_unique. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove the BKL from nfs_link()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove the BKL from the inode creation operationsTrond Myklebust
nfs_instantiate() does not require the BKL, neither do the attribute updates or the RPC code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL usage from open()Trond Myklebust
All the NFSv4 stateful operations are already protected by other locks (in particular by the rpc_sequence locks. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL usage from the write pathTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove the BKL from the permission checking codeTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove attribute update related BKL referencesTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Remove BKL requirement from attribute updatesTrond Myklebust
The main problem is dealing with inode->i_size: we need to set the inode->i_lock on all attribute updates, and so vmtruncate won't cut it. Make an NFS-private version of vmtruncate that has the necessary locking semantics. The result should be that the following inode attribute updates are protected by inode->i_lock nfsi->cache_validity nfsi->read_cache_jiffies nfsi->attrtimeo nfsi->attrtimeo_timestamp nfsi->change_attr nfsi->last_updated nfsi->cache_change_attribute nfsi->access_cache nfsi->access_cache_entry_lru nfsi->access_cache_inode_lru nfsi->acl_access nfsi->acl_default nfsi->nfs_page_tree nfsi->ncommit nfsi->npages nfsi->open_files nfsi->silly_list nfsi->acl nfsi->open_states inode->i_size inode->i_atime inode->i_mtime inode->i_ctime inode->i_nlink inode->i_uid inode->i_gid The following is protected by dir->i_mutex nfsi->cookieverf Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15NFS: Protect inode->i_nlink updates using inode->i_lockTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15nfs: set correct fl_len in nlmclnt_test()Felix Blyakher
fcntl(F_GETLK) on an nfs client incorrectly returns the values for the conflicting lock. fl_len value is always 1. If the conflicting lock is (0, 4095) the F_GETLK request for (1024, 10) returns (0, 1), which doesn't even cover the requested range, and is quite confusing. The fix is trivial, set fl_end from the fl_end value recieved from the nfs server. Signed-off-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-15lockd: Pass "struct sockaddr *" to new failover-by-IP functionChuck Lever
Pass a more generic socket address type to nlmsvc_unlock_all_by_ip() to allow for future support of IPv6. Also provide additional sanity checking in failover_unlock_ip() when constructing the server's IP address. As an added bonus, provide clean kerneldoc comments on related NLM interfaces which were recently added. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15Merge branch 'generic-ipi' into generic-ipi-for-linusIngo Molnar
Conflicts: arch/powerpc/Kconfig arch/s390/kernel/time.c arch/x86/kernel/apic_32.c arch/x86/kernel/cpu/perfctr-watchdog.c arch/x86/kernel/i8259_64.c arch/x86/kernel/ldt.c arch/x86/kernel/nmi_64.c arch/x86/kernel/smpboot.c arch/x86/xen/smp.c include/asm-x86/hw_irq_32.h include/asm-x86/hw_irq_64.h include/asm-x86/mach-default/irq_vectors.h include/asm-x86/mach-voyager/irq_vectors.h include/asm-x86/smp.h kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-15lockd: get host reference in nlmsvc_create_block() instead of callersJ. Bruce Fields
It may not be obvious (till you look at the definition of nlm_alloc_call()) that a function like nlmsvc_create_block() should consume a reference on success or failure, so I find it clearer if it takes the reference it needs itself. And both callers already do this immediately before the call anyway. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15lockd: minor svclock.c style fixesJ. Bruce Fields
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_lockJeff Layton
nlmsvc_lock calls nlmsvc_lookup_host to find a nlm_host struct. The callers of this function, however, call nlmsvc_retrieve_args or nlm4svc_retrieve_args, which also return a nlm_host struct. Change nlmsvc_lock to take a host arg instead of calling nlmsvc_lookup_host itself and change the callers to pass a pointer to the nlm_host they've already found. Since nlmsvc_testlock() now just uses the caller's reference, we no longer need to get or release it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_testlockJeff Layton
nlmsvc_testlock calls nlmsvc_lookup_host to find a nlm_host struct. The callers of this functions, however, call nlmsvc_retrieve_args or nlm4svc_retrieve_args, which also return a nlm_host struct. Change nlmsvc_testlock to take a host arg instead of calling nlmsvc_lookup_host itself and change the callers to pass a pointer to the nlm_host they've already found. We take a reference to host in the place where nlmsvc_testlock() previous did a new lookup, so the reference counting is unchanged from before. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15Merge branch 'for-linus' of ↵Linus Torvalds
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: remove DIRENTSIZ JFS: diAlloc() should return -EIO rather than EIO JFS: skip bad iput() call in error path JFS: switch to seq_files JFS: 0 is not valid errno value so return NULL from jfs_lookup
2008-07-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmwLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: [GFS2] Fix GFS2's use of do_div() in its quota calculations [GFS2] Remove unused declaration [GFS2] Remove support for unused and pointless flag [GFS2] Replace rgrp "recent list" with mru list [GFS2] Allow local DF locks when holding a cached EX glock [GFS2] Fix delayed demote race [GFS2] don't call permission() [GFS2] Fix module building [GFS2] Glock documentation [GFS2] Remove all_list from lock_dlm [GFS2] Remove obsolete conversion deadlock avoidance code [GFS2] Remove remote lock dropping code [GFS2] kernel panic mounting volume [GFS2] Revise readpage locking [GFS2] Fix ordering of args for list_add [GFS2] trivial sparse lock annotations [GFS2] No lock_nolock [GFS2] Fix ordering bug in lock_dlm [GFS2] Clean up the glock core
2008-07-15lockd: nlm_release_host() checks for NULL, caller needn'tJeff Layton
No need to check for a NULL argument twice. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-07-15Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (61 commits) ext4: Documention update for new ordered mode and delayed allocation ext4: do not set extents feature from the kernel ext4: Don't allow nonextenst mount option for large filesystem ext4: Enable delalloc by default. ext4: delayed allocation i_blocks fix for stat ext4: fix delalloc i_disksize early update issue ext4: Handle page without buffers in ext4_*_writepage() ext4: Add ordered mode support for delalloc ext4: Invert lock ordering of page_lock and transaction start in delalloc mm: Add range_cont mode for writeback ext4: delayed allocation ENOSPC handling percpu_counter: new function percpu_counter_sum_and_set ext4: Add delayed allocation support in data=writeback mode vfs: add hooks for ext4's delayed allocation support jbd2: Remove data=ordered mode support using jbd buffer heads ext4: Use new framework for data=ordered mode in JBD2 jbd2: Implement data=ordered mode handling via inodes vfs: export filemap_fdatawrite_range() ext4: Fix lock inversion in ext4_ext_truncate() ext4: Invert the locking order of page_lock and transaction start ...
2008-07-15UBIFS: include to compilationArtem Bityutskiy
Add UBIFS to Makefile and Kbuild. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
2008-07-15UBIFS: add new flash file systemArtem Bityutskiy
This is a new flash file system. See http://www.linux-mtd.infradead.org/doc/ubifs.html Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>