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2008-07-21tty: Ldisc revampAlan Cox1-48/+0
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>
2008-07-17Merge branch 'upstream-linus' of ↵Linus Torvalds18-111/+361
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
2008-07-17[PATCH] ocfs2: fix oops in mmap_truncate testingColy Li1-3/+10
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>
2008-07-17Merge branch 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6Linus Torvalds37-10/+32877
* '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
2008-07-17Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds22-1048/+1395
* 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 Dunlap1-0/+6
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>
2008-07-16Merge branch 'bkl-removal' into nextTrond Myklebust11-78/+99
2008-07-16Merge branch 'devel' into nextTrond Myklebust18-970/+1296
Conflicts: fs/nfs/file.c Fix up the conflict with Jon Corbet's bkl-removal tree
2008-07-16NFSv4: Remove BKL from the nfsv4 state recoveryTrond Myklebust1-2/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16SUNRPC: Remove the BKL from the callback functionsTrond Myklebust4-1/+16
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>
2008-07-16NFS: Remove BKL from the readdir codeTrond Myklebust1-3/+0
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>
2008-07-16NFS: Remove BKL from the symlink codeTrond Myklebust1-7/+1
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>
2008-07-16NFS: Remove BKL from the sillydelete operationsTrond Myklebust1-6/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16NFS: Remove the BKL from the rename, rmdir and unlink operationsTrond Myklebust1-6/+3
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>
2008-07-16NFS: Remove BKL from NFS lookup codeTrond Myklebust1-8/+1
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>
2008-07-16NFS: Remove the BKL from nfs_link()Trond Myklebust1-2/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16NFS: Remove the BKL from the inode creation operationsTrond Myklebust1-9/+0
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>
2008-07-16NFS: Remove BKL usage from open()Trond Myklebust3-10/+0
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>
2008-07-16NFS: Remove BKL usage from the write pathTrond Myklebust1-2/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16NFS: Remove the BKL from the permission checking codeTrond Myklebust1-4/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16NFS: Remove attribute update related BKL referencesTrond Myklebust2-8/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16NFS: Remove BKL requirement from attribute updatesTrond Myklebust2-11/+71
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>
2008-07-16NFS: Protect inode->i_nlink updates using inode->i_lockTrond Myklebust1-2/+10
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-16nfs: set correct fl_len in nlmclnt_test()Felix Blyakher1-1/+1
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>
2008-07-15Merge branch 'generic-ipi' into generic-ipi-for-linusIngo Molnar1-1/+1
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>
2008-07-15Merge branch 'for-linus' of ↵Linus Torvalds10-142/+119
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 Torvalds32-1946/+1161
* 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
2008-07-15Merge branch 'for_linus' of ↵Linus Torvalds26-965/+2646
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 Bityutskiy4-0/+85
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 Bityutskiy32-0/+32780
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>
2008-07-15Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6Linus Torvalds17-92/+114
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits) IB/umad: BKL is not needed for ib_umad_open() IB/uverbs: BKL is not needed for ib_uverbs_open() bf561-coreb: BKL unneeded for open() Call fasync() functions without the BKL snd/PCM: fasync BKL pushdown ipmi: fasync BKL pushdown ecryptfs: fasync BKL pushdown Bluetooth VHCI: fasync BKL pushdown tty_io: fasync BKL pushdown tun: fasync BKL pushdown i2o: fasync BKL pushdown mpt: fasync BKL pushdown Remove BKL from remote_llseek v2 Make FAT users happier by not deadlocking x86-mce: BKL pushdown vmwatchdog: BKL pushdown vmcp: BKL pushdown via-pmu: BKL pushdown uml-random: BKL pushdown uml-mmapper: BKL pushdown ...
2008-07-15Merge commit 'v2.6.26' into bkl-removalJonathan Corbet132-1568/+2061
2008-07-15configfs: call drop_link() to cleanup after create_link() failureLouis Rilling1-1/+5
When allow_link() succeeds but create_link() fails, the subsystem is not informed of the failure. This patch fixes this by calling drop_link() on create_link() failures. Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Allow ->make_item() and ->make_group() to return detailed errors.Joel Becker4-48/+72
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 an int. Also updated are the in-kernel users of configfs. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Fix failing mkdir() making racing rmdir() failLouis Rilling2-10/+44
When fixing the rename() vs rmdir() deadlock, we stopped locking default groups' inodes in configfs_detach_prep(), letting racing mkdir() in default groups proceed concurrently. This enables races like below happen, which leads to a failing mkdir() making rmdir() fail, despite the group to remove having no user-created directory under it in the end. process A: process B: /* PWD=A/B */ mkdir("C") make_item("C") attach_group("C") rmdir("A") detach_prep("A") detach_prep("B") error because of "C" return -ENOTEMPTY attach_group("C/D") error (eg -ENOMEM) return -ENOMEM This patch prevents such scenarii by making rmdir() wait as long as detach_prep() fails because a racing mkdir() is in the middle of attach_group(). To achieve this, mkdir() sets a flag CONFIGFS_USET_IN_MKDIR in parent's configfs_dirent before calling attach_group(), and clears the flag once attach_group() is done. detach_prep() fails with -EAGAIN whenever the flag is hit and returns the guilty inode's mutex so that rmdir() can wait on it. Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Fix deadlock with racing rmdir() and rename()Louis Rilling1-20/+25
This patch fixes the deadlock between racing sys_rename() and configfs_rmdir(). The idea is to avoid locking i_mutexes of default groups in configfs_detach_prep(), and rely instead on the new configfs_dirent_lock to protect against configfs_dirent's linkage mutations. To ensure that an mkdir() racing with rmdir() will not create new items in a to-be-removed default group, we make configfs_new_dirent() check for the CONFIGFS_USET_DROPPING flag right before linking the new dirent, and return error if the flag is set. This makes racing mkdir()/symlink()/dir_open() fail in places where errors could already happen, resp. in (attach_item()|attach_group())/create_link()/new_dirent(). configfs_depend() remains safe since it locks all the path from configfs root, and is thus mutually exclusive with rmdir(). An advantage of this is that now detach_groups() unconditionnaly takes the default groups i_mutex, which makes it more consistent with populate_groups(). Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Make configfs_new_dirent() return error code instead of NULLLouis Rilling1-4/+5
This patch makes configfs_new_dirent return negative error code instead of NULL, which will be useful in the next patch to differentiate ENOMEM from ENOENT. Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Protect configfs_dirent s_links list mutationsLouis Rilling2-4/+9
Symlinks to a config_item are listed under its configfs_dirent s_links, but the list mutations are not protected by any common lock. This patch uses the configfs_dirent_lock spinlock to add the necessary protection. Note: we should also protect the list_empty() test in configfs_detach_prep() but 1/ the lock should not be released immediately because nothing would prevent the list from being filled after a successful list_empty() test, making the problem tricky, 2/ this will be solved by the rmdir() vs rename() deadlock bugfix. Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15configfs: Introduce configfs_dirent_lockLouis Rilling4-1/+34
This patch introduces configfs_dirent_lock spinlock to protect configfs_dirent traversals against linkage mutations (add/del/move). This will allow configfs_detach_prep() to avoid locking i_mutexes. Locking rules for configfs_dirent linkage mutations are the same plus the requirement of taking configfs_dirent_lock. For configfs_dirent walking, one can either take appropriate i_mutex as before, or take configfs_dirent_lock. The spinlock could actually be a mutex, but the critical sections are either O(1) or should not be too long (default groups walking in last patch). ChangeLog: - Clarify the comment on configfs_dirent_lock usage - Move sd->s_element init before linking the new dirent - In lseek(), do not release configfs_dirent_lock before the dirent is relinked. Signed-off-by: Louis Rilling <Louis.Rilling@kerlabs.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15ocfs2: Don't snprintf() without a format.Joel Becker1-1/+1
Some system files are per-slot. Their names include the slot number. ocfs2_sprintf_system_inode_name() uses the system inode definitions to fill in the slot number with snprintf(). For global system files, there is no node number, and the name was printed as a format with no arguments. -Wformat-nonliteral and -Wformat-security don't like this. Instead, use a static "%s" format and the name as the argument. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefsJoel Becker2-2/+2
A couple places use OCFS2_DEBUG_FS where they really mean CONFIG_OCFS2_DEBUG_FS. Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-15ocfs2/net: Silence build warnings on sparc64Sunil Mushran1-3/+5
suseconds_t is type long on most arches except sparc64 where it is type int. This patch silences the following warnings that are generated when building on it. netdebug.c: In function 'nst_seq_show': netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 13 has type 'suseconds_t' netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 15 has type 'suseconds_t' netdebug.c:152: warning: format '%lu' expects type 'long unsigned int', but argument 17 has type 'suseconds_t' netdebug.c: In function 'sc_seq_show': netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 19 has type 'suseconds_t' netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 21 has type 'suseconds_t' netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 23 has type 'suseconds_t' netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 25 has type 'suseconds_t' netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 27 has type 'suseconds_t' netdebug.c:332: warning: format '%lu' expects type 'long unsigned int', but argument 29 has type 'suseconds_t' Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15ocfs2: Handle error during journal loadWengang Wang1-1/+5
This patch ensures the mount fails if the fs is unable to load the journal. Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com> Acked-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15ocfs2: Silence an error message in ocfs2_file_aio_read()Sunil Mushran1-1/+1
This patch silences an EINVAL error message in ocfs2_file_aio_read() that is always due to a user error. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15ocfs2: use simple_read_from_buffer()Akinobu Mita1-14/+5
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15ocfs2: fix printk format warnings with OCFS2_FS_STATS=nRandy Dunlap1-4/+4
Fix printk format warnings when OCFS2_FS_STATS=n: linux-next-20080528/fs/ocfs2/dlmglue.c: In function 'ocfs2_dlm_seq_show': linux-next-20080528/fs/ocfs2/dlmglue.c:2623: warning: format '%llu' expects type 'long long unsigned int', but argument 3 has type 'int' linux-next-20080528/fs/ocfs2/dlmglue.c:2623: warning: format '%llu' expects type 'long long unsigned int', but argument 4 has type 'int' linux-next-20080528/fs/ocfs2/dlmglue.c:2623: warning: format '%llu' expects type 'long long unsigned int', but argument 7 has type 'int' linux-next-20080528/fs/ocfs2/dlmglue.c:2623: warning: format '%llu' expects type 'long long unsigned int', but argument 8 has type 'int' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15[PATCH 2/2] ocfs2: Instrument fs cluster locksSunil Mushran2-1/+133
This patch adds code to track the number of times the fs takes various cluster locks as well as the times associated with it. The information is made available to users via debugfs. This patch was originally written by Jan Kara <jack@suse.cz>. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15[PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config optionSunil Mushran1-0/+8
This patch adds config option CONFIG_OCFS2_FS_STATS to allow building the fs with instrumentation enabled. An upcoming patch will provide support to instrument cluster locking, which is a crucial overhead in a cluster file system. This config option allows users to avoid the cpu and memory overhead that is involved in gathering such statistics. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-15Merge branch 'x86/for-linus' of ↵Linus Torvalds2-1/+17
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (821 commits) x86: make 64bit hpet_set_mapping to use ioremap too, v2 x86: get x86_phys_bits early x86: max_low_pfn_mapped fix #4 x86: change _node_to_cpumask_ptr to return const ptr x86: I/O APIC: remove an IRQ2-mask hack x86: fix numaq_tsc_disable calling x86, e820: remove end_user_pfn x86: max_low_pfn_mapped fix, #3 x86: max_low_pfn_mapped fix, #2 x86: max_low_pfn_mapped fix, #1 x86_64: fix delayed signals x86: remove conflicting nx6325 and nx6125 quirks x86: Recover timer_ack lost in the merge of the NMI watchdog x86: I/O APIC: Never configure IRQ2 x86: L-APIC: Always fully configure IRQ0 x86: L-APIC: Set IRQ0 as edge-triggered x86: merge dwarf2 headers x86: use AS_CFI instead of UNWIND_INFO x86: use ignore macro instead of hash comment x86: use matching CFI_ENDPROC ...
2008-07-15Merge branch 'for-linus' of ↵Linus Torvalds4-11/+20
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (25 commits) security: remove register_security hook security: remove dummy module fix security: remove dummy module security: remove unused sb_get_mnt_opts hook LSM/SELinux: show LSM mount options in /proc/mounts SELinux: allow fstype unknown to policy to use xattrs if present security: fix return of void-valued expressions SELinux: use do_each_thread as a proper do/while block SELinux: remove unused and shadowed addrlen variable SELinux: more user friendly unknown handling printk selinux: change handling of invalid classes (Was: Re: 2.6.26-rc5-mm1 selinux whine) SELinux: drop load_mutex in security_load_policy SELinux: fix off by 1 reference of class_to_string in context_struct_compute_av SELinux: open code sidtab lock SELinux: open code load_mutex SELinux: open code policy_rwlock selinux: fix endianness bug in network node address handling selinux: simplify ioctl checking SELinux: enable processes with mac_admin to get the raw inode contexts Security: split proc ptrace checking into read vs. attach ...
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