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The branch, for-linus has been updated
ece413f xfs: remove incorrect assert in xfs_vm_writepage
c6f6cd0 xfs: use hlist_add_fake
5d2bf8a xfs: fix a few compiler warnings with CONFIG_XFS_QUOTA=n
785ce41 xfs: tell lockdep about parent iolock usage in filestreams
bfe2741 xfs: move delayed write buffer trace
f83282a xfs: fix per-ag reference counting in inode reclaim tree walking
6762b93 xfs: xfs_ioctl: fix information leak to userland
5d0af85 xfs: remove experimental tag from the delaylog option
152a083 new helper: mount_bdev()
7d2f280 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
426e1f5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
1b430be writeback: remove nonblocking/encountered_congestion references
85fe402 fs: do not assign default i_ino in new_inode
7de9c6e new helper: ihold()
646ec46 fs: remove inode_add_to_list/__inode_add_to_list
ebdec24 fs: kill block_prepare_write
5fe3a5a Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
91b7450 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
fa251f89 Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
6370a6a workqueue: add and use WQ_MEM_RECLAIM flag
80f44b1 quota: Make QUOTACTL config be selected by its users
dd3932e block: remove BLKDEV_IFL_WAIT
80f6c29 xfs: replace barriers with explicit flush / FUA usage
from 39dc948c6921169e13224a97fa53188922acfde8 (commit)
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commit ece413f59f257682de4a2e2e42af33b016af53f3
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed Nov 10 21:39:11 2010 +0000
xfs: remove incorrect assert in xfs_vm_writepage
In commit 20cb52ebd1b5ca6fa8a5d9b6b1392292f5ca8a45, titled
"xfs: simplify xfs_vm_writepage" I added an assert that any !mapped and
uptodate buffers are not dirty. That asserts turns out to trigger a lot
when running fsx on filesystems with small block sizes. The reason for
that is that the assert is simply incorrect. !mapped and uptodate
just mean this buffer covers a hole, and whenever we do a set_page_dirty
we mark all blocks in the page dirty, no matter if they have data or
not. So remove the assert, and update the comment above the condition
to match reality.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit c6f6cd0608b1826ee1797cf57a808416e4bdb806
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat Nov 6 11:43:08 2010 +0000
xfs: use hlist_add_fake
XFS does not need it's inodes to actuall be hashed in the VFS inode
cache, but we require the inode to be marked hashed for the
writeback code to work.
Insted of using insert_inode_hash, which requires a second
inode_lock roundtrip after the partial merge of the inode
scalability patches in 2.6.37-rc simply use the new hlist_add_fake
helper to mark it hashed without requiring a lock or touching a
global cache line.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 5d2bf8a55e03b0e59ed5a4ac2ff7f9ee3ba7e40d
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat Nov 6 11:42:56 2010 +0000
xfs: fix a few compiler warnings with CONFIG_XFS_QUOTA=n
Andi Kleen reported that gcc-4.5 gives lots of warnings for him
inside the XFS code. It turned out most of them are due to the
quota stubs beeing macros, and gcc now complaining about macros
evaluating to 0 that are not assigned to variables.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 785ce41805ea7b6a9b2775ed9f4cf10cd7a90c03
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat Nov 6 11:42:44 2010 +0000
xfs: tell lockdep about parent iolock usage in filestreams
The filestreams code may take the iolock on the parent inode while
holding it on a child. This is the only place in XFS where we take
both the child and parent iolock, so just telling lockdep about it
is enough. The lock flag required for that was already added as
part of the ilock lockdep annotations and unused so far.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit bfe2741967eaa3434fa9b3d8f24b1422d4540e7d
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Mon Nov 8 08:55:05 2010 +0000
xfs: move delayed write buffer trace
The delayed write buffer split trace currently issues a trace for
every buffer it scans. These buffers are not necessarily queued for
delayed write. Indeed, when buffers are pinned, there can be
thousands of traces of buffers that aren't actually queued for
delayed write and the ones that are are lost in the noise. Move the
trace point to record only buffers that are split out for IO to be
issued on.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit f83282a8ef799c0bdcb0c32971487087da1bc216
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Mon Nov 8 08:55:04 2010 +0000
xfs: fix per-ag reference counting in inode reclaim tree walking
The walk fails to decrement the per-ag reference count when the
non-blocking walk fails to obtain the per-ag reclaim lock, leading
to an assert failure on debug kernels when unmounting a filesystem.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 6762b938eac878a30a90e770ac655874c36bc642
Author: Kulikov Vasiliy <segooon@xxxxxxxxx>
Date: Sat Oct 30 14:26:17 2010 +0000
xfs: xfs_ioctl: fix information leak to userland
al_hreq is copied from userland. If al_hreq.buflen is not properly aligned
then xfs_attr_list will ignore the last bytes of kbuf. These bytes are
unitialized. It leads to leaking of contents of kernel stack memory.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 5d0af85cd0964bb845b63d5059bb20e8f7731e65
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu Oct 28 21:37:10 2010 +0000
xfs: remove experimental tag from the delaylog option
We promised to do this for 2.6.37, and the code looks stable enough to
keep that promise.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 152a08366671080f27b32e0c411ad620c5f88b57
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sun Jul 25 00:46:55 2010 +0400
new helper: mount_bdev()
... and switch of the obvious get_sb_bdev() users to ->mount()
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 7d2f280e75f05919314e250cadf361a327ed555c
Merge: e3e1288e86a07cdeb0aee5860a2dff111c6eff79 4408ea41c0ab4b711d4da44dd954fb06dce6c3f8
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Wed Oct 27 20:13:18 2010 -0700
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (24 commits)
quota: Fix possible oops in __dquot_initialize()
ext3: Update kernel-doc comments
jbd/2: fixed typos
ext2: fixed typo.
ext3: Fix debug messages in ext3_group_extend()
jbd: Convert atomic_inc() to get_bh()
ext3: Remove misplaced BUFFER_TRACE() in ext3_truncate()
jbd: Fix debug message in do_get_write_access()
jbd: Check return value of __getblk()
ext3: Use DIV_ROUND_UP() on group desc block counting
ext3: Return proper error code on ext3_fill_super()
ext3: Remove unnecessary casts on bh->b_data
ext3: Cleanup ext3_setup_super()
quota: Fix issuing of warnings from dquot_transfer
quota: fix dquot_disable vs dquot_transfer race v2
jbd: Convert bitops to buffer fns
ext3/jbd: Avoid WARN() messages when failing to write the superblock
jbd: Use offset_in_page() instead of manual calculation
jbd: Remove unnecessary goto statement
jbd: Use printk_ratelimited() in journal_alloc_journal_head()
...
commit 426e1f5cec4821945642230218876b0e89aafab1
Merge: 9e5fca251f44832cb996961048ea977f80faf6ea 63997e98a3be68d7cec806d22bf9b02b2e1daabb
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Tue Oct 26 17:58:44 2010 -0700
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (52 commits)
split invalidate_inodes()
fs: skip I_FREEING inodes in writeback_sb_inodes
fs: fold invalidate_list into invalidate_inodes
fs: do not drop inode_lock in dispose_list
fs: inode split IO and LRU lists
fs: switch bdev inode bdi's correctly
fs: fix buffer invalidation in invalidate_list
fsnotify: use dget_parent
smbfs: use dget_parent
exportfs: use dget_parent
fs: use RCU read side protection in d_validate
fs: clean up dentry lru modification
fs: split __shrink_dcache_sb
fs: improve DCACHE_REFERENCED usage
fs: use percpu counter for nr_dentry and nr_dentry_unused
fs: simplify __d_free
fs: take dcache_lock inside __d_path
fs: do not assign default i_ino in new_inode
fs: introduce a per-cpu last_ino allocator
new helper: ihold()
...
commit 1b430beee5e388605dfb092b214ef0320f752cf6
Author: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Date: Tue Oct 26 14:21:26 2010 -0700
writeback: remove nonblocking/encountered_congestion references
This removes more dead code that was somehow missed by commit 0d99519efef
(writeback: remove unused nonblocking and congestion checks). There are
no behavior change except for the removal of two entries from one of the
ext4 tracing interface.
The nonblocking checks in ->writepages are no longer used because the
flusher now prefer to block on get_request_wait() than to skip inodes on
IO congestion. The latter will lead to more seeky IO.
The nonblocking checks in ->writepage are no longer used because it's
redundant with the WB_SYNC_NONE check.
We no long set ->nonblocking in VM page out and page migration, because
a) it's effectively redundant with WB_SYNC_NONE in current code
b) it's old semantic of "Don't get stuck on request queues" is mis-behavior:
that would skip some dirty inodes on congestion and page out others, which
is unfair in terms of LRU age.
Inspired by Christoph Hellwig. Thanks!
Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Cc: Theodore Ts'o <tytso@xxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Sage Weil <sage@xxxxxxxxxxxx>
Cc: Steve French <sfrench@xxxxxxxxx>
Cc: Chris Mason <chris.mason@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
commit 85fe4025c616a7c0ed07bc2fc8c5371b07f3888c
Author: Christoph Hellwig <hch@xxxxxx>
Date: Sat Oct 23 11:19:54 2010 -0400
fs: do not assign default i_ino in new_inode
Instead of always assigning an increasing inode number in new_inode
move the call to assign it into those callers that actually need it.
For now callers that need it is estimated conservatively, that is
the call is added to all filesystems that do not assign an i_ino
by themselves. For a few more filesystems we can avoid assigning
any inode number given that they aren't user visible, and for others
it could be done lazily when an inode number is actually needed,
but that's left for later patches.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 7de9c6ee3ecffd99e1628e81a5ea5468f7581a1f
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sat Oct 23 11:11:40 2010 -0400
new helper: ihold()
Clones an existing reference to inode; caller must already hold one.
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 646ec4615cd05972581c9c5342ed7a1e77df17bb
Author: Christoph Hellwig <hch@xxxxxx>
Date: Sat Oct 23 07:15:32 2010 -0400
fs: remove inode_add_to_list/__inode_add_to_list
Split up inode_add_to_list/__inode_add_to_list. Locking for the two
lists will be split soon so these helpers really don't buy us much
anymore.
The __ prefixes for the sb list helpers will go away soon, but until
inode_lock is gone we'll need them to distinguish between the locked
and unlocked variants.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit ebdec241d509cf69f6ebf1ecdc036359d3dbe154
Author: Christoph Hellwig <hch@xxxxxx>
Date: Wed Oct 6 10:47:23 2010 +0200
fs: kill block_prepare_write
__block_write_begin and block_prepare_write are identical except for slightly
different calling conventions. Convert all callers to the __block_write_begin
calling conventions and drop block_prepare_write.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 5fe3a5ae5c09d53b2b3c7a971e1d87ab3a747055
Merge: 0fc0531e0a2174377a86fd6953ecaa00287d8f70 39dc948c6921169e13224a97fa53188922acfde8
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Oct 22 17:32:27 2010 -0700
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (36 commits)
xfs: semaphore cleanup
xfs: Extend project quotas to support 32bit project ids
xfs: remove xfs_buf wrappers
xfs: remove xfs_cred.h
xfs: remove xfs_globals.h
xfs: remove xfs_version.h
xfs: remove xfs_refcache.h
xfs: fix the xfs_trans_committed
xfs: remove unused t_callback field in struct xfs_trans
xfs: fix bogus m_maxagi check in xfs_iget
xfs: do not use xfs_mod_incore_sb_batch for per-cpu counters
xfs: do not use xfs_mod_incore_sb for per-cpu counters
xfs: remove XFS_MOUNT_NO_PERCPU_SB
xfs: pack xfs_buf structure more tightly
xfs: convert buffer cache hash to rbtree
xfs: serialise inode reclaim within an AG
xfs: batch inode reclaim lookup
xfs: implement batched inode lookups for AG walking
xfs: split out inode walk inode grabbing
xfs: split inode AG walking into separate code for reclaim
...
commit 91b745016c12d440386c40fb76ab69c8e08cbc06
Merge: 04cc69768e7d1f40d98b79d23d203674553b4da2 daaae6b010ac0f60c9c35e481589966f9f1fcc22
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Oct 22 17:13:10 2010 -0700
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: remove in_workqueue_context()
workqueue: Clarify that schedule_on_each_cpu is synchronous
memory_hotplug: drop spurious calls to flush_scheduled_work()
shpchp: update workqueue usage
pciehp: update workqueue usage
isdn/eicon: don't call flush_scheduled_work() from diva_os_remove_soft_isr()
workqueue: add and use WQ_MEM_RECLAIM flag
workqueue: fix HIGHPRI handling in keep_working()
workqueue: add queue_work and activate_work trace points
workqueue: prepare for more tracepoints
workqueue: implement flush[_delayed]_work_sync()
workqueue: factor out start_flush_work()
workqueue: cleanup flush/cancel functions
workqueue: implement alloc_ordered_workqueue()
Fix up trivial conflict in fs/gfs2/main.c as per Tejun
commit fa251f89903d73989e2f63e13d0eaed1e07ce0da
Merge: dd3932eddf428571762596e17b65f5dc92ca361b cd07202cc8262e1669edff0d97715f3dd9260917
Author: Jens Axboe <jaxboe@xxxxxxxxxxxx>
Date: Tue Oct 19 09:13:04 2010 +0200
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts:
block/blk-core.c
drivers/block/loop.c
mm/swapfile.c
Signed-off-by: Jens Axboe <jaxboe@xxxxxxxxxxxx>
commit 6370a6ad3b53df90b4700977f7718118a2cd524a
Author: Tejun Heo <tj@xxxxxxxxxx>
Date: Mon Oct 11 15:12:27 2010 +0200
workqueue: add and use WQ_MEM_RECLAIM flag
Add WQ_MEM_RECLAIM flag which currently maps to WQ_RESCUER, mark
WQ_RESCUER as internal and replace all external WQ_RESCUER usages to
WQ_MEM_RECLAIM.
This makes the API users express the intent of the workqueue instead
of indicating the internal mechanism used to guarantee forward
progress. This is also to make it cleaner to add more semantics to
WQ_MEM_RECLAIM. For example, if deemed necessary, memory reclaim
workqueues can be made highpri.
This patch doesn't introduce any functional change.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Jeff Garzik <jgarzik@xxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Steven Whitehouse <swhiteho@xxxxxxxxxx>
commit 80f44b152c889e592616adf0d33b856107f4bace
Author: Jan Kara <jack@xxxxxxx>
Date: Tue Aug 17 12:14:44 2010 +0200
quota: Make QUOTACTL config be selected by its users
Remove "depends on" line from QUOTACTL config option and rather select
the option explicitely from config options which need it. It makes more
sense this way and also fixes Kconfig warning due to GFS2 selecting
QUOTACTL but QUOTACTL not depending on it.
Signed-off-by: Jan Kara <jack@xxxxxxx>
commit dd3932eddf428571762596e17b65f5dc92ca361b
Author: Christoph Hellwig <hch@xxxxxx>
Date: Thu Sep 16 20:51:46 2010 +0200
block: remove BLKDEV_IFL_WAIT
All the blkdev_issue_* helpers can only sanely be used for synchronous
caller. To issue cache flushes or barriers asynchronously the caller needs
to set up a bio by itself with a completion callback to move the asynchronous
state machine ahead. So drop the BLKDEV_IFL_WAIT flag that is always
specified when calling blkdev_issue_* and also remove the now unused flags
argument to blkdev_issue_flush and blkdev_issue_zeroout. For
blkdev_issue_discard we need to keep it for the secure discard flag, which
gains a more descriptive name and loses the bitops vs flag confusion.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jens Axboe <jaxboe@xxxxxxxxxxxx>
commit 80f6c29d8a758650d5c9eac05074b4b3e8c266df
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed Aug 18 05:29:11 2010 -0400
xfs: replace barriers with explicit flush / FUA usage
Switch to the WRITE_FLUSH_FUA flag for log writes and remove the EOPNOTSUPP
detection for barriers.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Jens Axboe <jaxboe@xxxxxxxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/Kconfig | 1 +
fs/xfs/linux-2.6/xfs_aops.c | 10 +++++-----
fs/xfs/linux-2.6/xfs_buf.c | 21 +++++----------------
fs/xfs/linux-2.6/xfs_buf.h | 11 +----------
fs/xfs/linux-2.6/xfs_ioctl.c | 2 +-
fs/xfs/linux-2.6/xfs_iops.c | 7 +++++--
fs/xfs/linux-2.6/xfs_super.c | 20 +++++++-------------
fs/xfs/linux-2.6/xfs_sync.c | 1 +
fs/xfs/linux-2.6/xfs_trace.h | 1 -
fs/xfs/xfs_filestream.c | 8 +++++++-
fs/xfs/xfs_inode.h | 2 +-
fs/xfs/xfs_log.c | 13 -------------
fs/xfs/xfs_mount.c | 1 +
fs/xfs/xfs_quota.h | 20 ++++++++++++++++----
14 files changed, 51 insertions(+), 67 deletions(-)
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