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2009-06-12Blackfin: fix link failure due to CONFIG_EXCEPTION_L1_SCRATCHGraf Yang3-20/+13
Move exception stack mess from entry.S to init.c to fix link failure when CONFIG_EXCEPTION_L1_SCRATCH is in use. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: allow scheduler functions to be placed into L1Robin Getz1-0/+5
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: Allow bf548 ATAPI to be routed to GPIOSonic Zhang2-19/+52
By default, it is routed to async memory address. In GPIO case, GPIO peripheral PINs should be requested in advance. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: bf527-ezkit: add support for mmc-spiYi Li1-0/+18
Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: add some help text to the EBIU_AMBCTL settingsMike Frysinger1-4/+17
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: add comment for anomaly 05000171 to init codeMichael Hennerich1-0/+3
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-11block: fix kernel-doc in recent block/ changesRandy Dunlap2-13/+14
Fix kernel-doc warnings in recently changed block/ source code. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6Linus Torvalds147-1834/+1707
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (87 commits) nilfs2: get rid of bd_mount_sem use from nilfs nilfs2: correct exclusion control in nilfs_remount function nilfs2: simplify remaining sget() use nilfs2: get rid of sget use for checking if current mount is present nilfs2: get rid of sget use for acquiring nilfs object nilfs2: remove meaningless EBUSY case from nilfs_get_sb function remove the call to ->write_super in __sync_filesystem nilfs2: call nilfs2_write_super from nilfs2_sync_fs jffs2: call jffs2_write_super from jffs2_sync_fs ufs: add ->sync_fs sysv: add ->sync_fs hfsplus: add ->sync_fs hfs: add ->sync_fs fat: add ->sync_fs ext2: add ->sync_fs exofs: add ->sync_fs bfs: add ->sync_fs affs: add ->sync_fs sanitize ->fsync() for affs repair bfs_write_inode(), switch bfs to simple_fsync() ...
2009-06-11Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommuLinus Torvalds23-187/+178
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: remove unecessary include of thread_info.h in entry.S m68knommu: enumerate INIT_THREAD fields properly headers_check fix: m68k, swab.h arch/m68knommu: Convert #ifdef DEBUG printk(KERN_DEBUG to pr_debug( m68knommu: remove obsolete reset code m68knommu: move CPU reset code for the 5272 ColdFire into its platform code m68knommu: move CPU reset code for the 528x ColdFire into its platform code m68knommu: move CPU reset code for the 527x ColdFire into its platform code m68knommu: move CPU reset code for the 523x ColdFire into its platform code m68knommu: move CPU reset code for the 520x ColdFire into its platform code m68knommu: add CPU reset code for the 532x ColdFire m68knommu: add CPU reset code for the 5249 ColdFire m68knommu: add CPU reset code for the 5206e ColdFire m68knommu: add CPU reset code for the 5206 ColdFire m68knommu: add CPU reset code for the 5407 ColdFire m68knommu: add CPU reset code for the 5307 ColdFire m68knommu: merge system reset for code ColdFire 523x family m68knommu: fix system reset for ColdFire 527x family
2009-06-11kvm: remove the duplicated cpumask_clearYinghai Lu1-1/+0
zalloc_cpumask_var already cleared it. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11x86: use zalloc_cpumask_var in arch_early_irq_initYinghai Lu1-2/+2
So we make sure MAXSMP gets a cleared cpumask Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11perfcounters: remove powerpc definitions of perf_counter_do_pendingStephen Rothwell2-3/+1
Commit 925d519ab82b6dd7aca9420d809ee83819c08db2 ("perf_counter: unify and fix delayed counter wakeup") added global definitions. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Paul Mackerras <paulus@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11nilfs2: get rid of bd_mount_sem use from nilfsRyusuke Konishi4-9/+12
This will remove every bd_mount_sem use in nilfs. The intended exclusion control was replaced by the previous patch ("nilfs2: correct exclusion control in nilfs_remount function") for nilfs_remount(), and this patch will replace remains with a new mutex that this inserts in nilfs object. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: correct exclusion control in nilfs_remount functionRyusuke Konishi3-31/+33
nilfs_remount() changes mount state of a superblock instance. Even though nilfs accesses other superblock instances during mount or remount, the mount state was not properly protected in nilfs_remount(). Moreover, nilfs_remount() has a lock order reversal problem; nilfs_get_sb() holds: 1. bdev->bd_mount_sem 2. sb->s_umount (sget acquires) and nilfs_remount() holds: 1. sb->s_umount (locked by the caller in vfs) 2. bdev->bd_mount_sem To avoid these problems, this patch divides a semaphore protecting super block instances from nilfs->ns_sem, and applies it to the mount state protection in nilfs_remount(). With this change, bd_mount_sem use is removed from nilfs_remount() and the lock order reversal will be resolved. And the new rw-semaphore, nilfs->ns_super_sem will properly protect the mount state except the modification from nilfs_error function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: simplify remaining sget() useRyusuke Konishi4-25/+75
This simplifies the test function passed on the remaining sget() callsite in nilfs. Instead of checking mount type (i.e. ro-mount/rw-mount/snapshot mount) in the test function passed to sget(), this patch first looks up the nilfs_sb_info struct which the given mount type matches, and then acquires the super block instance holding the nilfs_sb_info. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: get rid of sget use for checking if current mount is presentRyusuke Konishi2-60/+35
This stops using sget() for checking if an r/w-mount or an r/o-mount exists on the device. This elimination uses a back pointer to the current mount added to nilfs object. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: get rid of sget use for acquiring nilfs objectRyusuke Konishi3-65/+76
This will change the way to obtain nilfs object in nilfs_get_sb() function. Previously, a preliminary sget() call was performed, and the nilfs object was acquired from a super block instance found by the sget() call. This patch, instead, instroduces a new dedicated function find_or_create_nilfs(); as the name implies, the function finds an existent nilfs object from a global list or creates a new one if no object is found on the device. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: remove meaningless EBUSY case from nilfs_get_sb functionRyusuke Konishi1-2/+0
The following EBUSY case in nilfs_get_sb() is meaningless. Indeed, this error code is never returned to the caller. if (!s->s_root) { ... } else if (!(s->s_flags & MS_RDONLY)) { err = -EBUSY; } This simply removes the else case. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11remove the call to ->write_super in __sync_filesystemChristoph Hellwig1-2/+0
Now that all filesystems provide ->sync_fs methods we can change __sync_filesystem to only call ->sync_fs. This gives us a clear separation between periodic writeouts which are driven by ->write_super and data integrity syncs that go through ->sync_fs. (modulo file_fsync which is also going away) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11nilfs2: call nilfs2_write_super from nilfs2_sync_fsChristoph Hellwig1-0/+2
The call to ->write_super from __sync_filesystem will go away, so make sure nilfs2 performs the same actions from inside ->sync_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11jffs2: call jffs2_write_super from jffs2_sync_fsChristoph Hellwig1-0/+2
The call to ->write_super from __sync_filesystem will go away, so make sure jffs2 performs the same actions from inside ->sync_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11ufs: add ->sync_fsChristoph Hellwig1-10/+22
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11sysv: add ->sync_fsChristoph Hellwig1-6/+13
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11hfsplus: add ->sync_fsChristoph Hellwig1-5/+11
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11hfs: add ->sync_fsChristoph Hellwig1-0/+11
Add a ->sync_fs method for data integrity syncs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fat: add ->sync_fsChristoph Hellwig1-0/+11
Add a ->sync_fs method for data integrity syncs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11ext2: add ->sync_fsChristoph Hellwig1-14/+27
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11exofs: add ->sync_fsChristoph Hellwig1-3/+13
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11bfs: add ->sync_fsChristoph Hellwig1-11/+21
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11affs: add ->sync_fsChristoph Hellwig1-13/+27
Add a ->sync_fs method for data integrity syncs. Factor out common code between affs_put_super, affs_write_super and the new affs_sync_fs into a helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11sanitize ->fsync() for affsAl Viro3-2/+15
unfortunately, for affs (especially for affs directories) we have no real way to keep track of metadata ownership. So we have to do more or less what file_fsync() does, but we do *not* need to call write_super() there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11repair bfs_write_inode(), switch bfs to simple_fsync()Al Viro2-7/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Fix adfs GET_FRAG_ID() on big-endianAl Viro1-1/+1
Missing conversion to host-endian before doing shifts Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11repair adfs ->write_inode(), switch to simple_fsync()Al Viro6-6/+48
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch omfs to simple_fsync()Al Viro1-16/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch udf to simple_fsync()Al Viro5-58/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch ufs to simple_fsync()Al Viro3-24/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11repair sysv_write_inode(), switch sysv to simple_fsync()Al Viro4-47/+18
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch minix to simple_fsync()Al Viro4-45/+12
* get minix_write_inode() to honour the second argument * now we can use simple_fsync() for minixfs Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch ext2 to simple_fsync()Al Viro6-66/+6
kill ext2_sync_file() (along with ext2/fsync.c), get rid of ext2_update_inode() - it's an alias of ext2_write_inode(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Sanitize ->fsync() for FATAl Viro7-19/+49
* mark directory data blocks as assoc. metadata * add new inode to deal with FAT, mark FAT blocks as assoc. metadata of that * now ->fsync() is trivial both for files and directories Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs/qnx4: sanitize includesAl Viro9-95/+66
fs-internal parts of qnx4_fs.h taken to fs/qnx4/qnx4.h, includes adjusted, qnx4_fs.h doesn't need unifdef anymore. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Sanitize qnx4 fsync handlingAl Viro7-202/+17
* have directory operations use mark_buffer_dirty_inode(), so that sync_mapping_buffers() would get those. * make qnx4_write_inode() honour its last argument. * get rid of insane copies of very ancient "walk the indirect blocks" in qnx4/fsync - they never matched the actual fs layout and, fortunately, never'd been called. Again, all this junk is not needed; ->fsync() should just do sync_mapping_buffers + sync_inode (and if we implement block allocation for qnx4, we'll need to use mark_buffer_dirty_inode() for extent blocks) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11New helper - simple_fsync()Al Viro2-0/+27
writes associated buffers, then does sync_inode() to write the inode itself (and to make it clean). Depends on ->write_inode() honouring the second argument. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Push BKL down into ->remount_fs()Alessio Igor Bogani18-13/+108
[xfs, btrfs, capifs, shmem don't need BKL, exempt] Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: block_dump missing dentry lockingNick Piggin1-17/+24
I think the block_dump output in __mark_inode_dirty is missing dentry locking. Surely the i_dentry list can change any time, so we may not even *get* a dentry there. If we do get one by chance, then it would appear to be able to go away or get renamed at any time... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: remove incorrect I_NEW warningsNick Piggin1-2/+0
Some filesystems can call in to sync an inode that is still in the I_NEW state (eg. ext family, when mounted with -osync). This is OK because the filesystem has sole access to the new inode, so it can modify i_state without races (because no other thread should be modifying it, by definition of I_NEW). Ie. a false positive, so remove the warnings. The races are described here 7ef0d7377cb287e08f3ae94cebc919448e1f5dff, which is also where the warnings were introduced. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11linux/magic.h: move cramfs magic out of cramfs_fs.hMike Frysinger2-2/+3
Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11xfs: remove ->write_super and stop maintaining ->s_dirtChristoph Hellwig2-14/+0
the write_super method is used for (1) writing back the superblock periodically from pdflush (2) called just before ->sync_fs for data integerity syncs We don't need (1) because we have our own peridoc writeout through xfssyncd, and we don't need (2) because xfs_fs_sync_fs performs a proper synchronous superblock writeout after all other data and metadata has been written out. Also remove ->s_dirt tracking as it's only used to decide when too call ->write_super. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11ntfs: remove old debug check for dirty data in ntfs_put_super()Jens Axboe1-30/+3
This should not trigger anymore, so kill it. Acked-by: Anton Altaparmakov <aia21@cam.ac.uk> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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