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I have recently came across a preemption imbalance detected by:
<4>huh, entered ffffffff80644630 with preempt_count 00000102, exited with 00000101?
<0>------------[ cut here ]------------
<2>kernel BUG at /usr/src/linux/kernel/timer.c:664!
<0>invalid opcode: 0000 [1] PREEMPT SMP
with ffffffff80644630 being inet_twdr_hangman().
This appeared after I enabled CONFIG_TCP_MD5SIG and played with it a
bit, so I looked at what might have caused it.
One thing that struck me as strange is tcp_twsk_destructor(), as it
calls tcp_put_md5sig_pool() -- which entails a put_cpu(), causing the
detected imbalance. Found on 2.6.23.9, but 2.6.31 is affected as well,
as far as I can tell.
Signed-off-by: Robert Varga <nite@hq.alert.sk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If qdisc_get_stab returns error in qdisc_create there is skipped qdisc
ops->destroy, which is necessary because it's after ops->init at the
moment, so memory leaks are quite probable.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After the recent mq change there is the new select_queue qdisc class
method used in tc_modify_qdisc, but it works OK only for direct child
qdiscs of mq qdisc. Grandchildren always get the first tx queue, which
would give wrong qdisc_root etc. results (e.g. for sch_htb as child of
sch_prio). This patch fixes it by using parent's dev_queue for such
grandchildren qdiscs. The select_queue method's return type is changed
BTW.
With feedback from: Patrick McHardy <kaber@trash.net>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sorry Mike, I sent you off the wrong way. The following is simpler and the
second port is diffrent enough in setup (because of NAPI), that the
following is simpler.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be more accurate about number of transmit list elements required.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Parse RxRPC security index 5 type keys (Kerberos 5 tokens).
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow RxRPC keys to be read. This is to allow pioctl() to be implemented in
userspace. RxRPC keys are read out in XDR format.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow add_key() and KEYCTL_INSTANTIATE to accept key payloads in XDR form as
described by openafs-1.4.10/src/auth/afs_token.xg. This provides a way of
passing kaserver, Kerberos 4, Kerberos 5 and GSSAPI keys from userspace, and
allows for future expansion.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Declare the security index constants symbolically rather than just referring
to them numerically.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pcnet_cs,serial_cs:
add cis of Linksys lan&modem mulitifunction pcmcia card
and some modem card(MT5634ZLX, RS-COM-2P).
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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struct socket has a 16 bit hole that triggers kmemcheck warnings.
As suggested by Ingo, use kmemcheck annotations
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes commit e36b9d16c6a6d0f59803b3ef04ff3c22c3844c10. The approach
there is to call dev_close()/dev_open() whenever the device type is changed in
order to remap the device IP multicast addresses to HW multicast addresses.
This approach suffers from 2 drawbacks:
*. It assumes tha the device is UP when calling dev_close(), or otherwise
dev_close() has no affect. It is worth to mention that initscripts (Redhat)
and sysconfig (Suse) doesn't act the same in this matter.
*. dev_close() has other side affects, like deleting entries from the routing
table, which might be unnecessary.
The fix here is to directly remap the IP multicast addresses to HW multicast
addresses for a bonding device that changes its type, and nothing else.
Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Moni Shoua <monis@voltaire.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When using nanosleep() in an userspace application we get a ratelimit warning
NOHZ: local_softirq_pending 08
for 10 times.
The echo of CAN frames is done from process context and softirq context only.
Therefore the usage of netif_rx() was wrong (for years).
This patch replaces netif_rx() with netif_rx_ni() which has to be used from
process/softirq context. It also adds a missing comment that can_send() must
no be used from hardirq context.
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: Urs Thuermann <urs@isnogud.escape.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was once upon time so that snd_sthresh was a 16-bit quantity.
...That has not been true for long period of time. I run across
some ancient compares which still seem to trust such legacy.
Put all that magic into a single place, I hopefully found all
of them.
Compile tested, though linking of allyesconfig is ridiculous
nowadays it seems.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After the recent mq change using ingress qdisc overwrites dev->qdisc;
there is also a wrong old qdisc pointer passed to notify_and_destroy.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case of fiber and serdes adapters we were seeing issues with ethtool
-t causing kernel panics due to null function pointers. To prevent this we
need to exit out of the phy reset code in the event that we do not have a
valid phy.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Our SGMII phy code was incomplete in that it was not actually placing the
phy in SGMII mode and as a result the PHY was not able to establish a link
when connected to a non serdes link partner. This patch updates the code
to combine the SGMII/serdes PCS init and to add the necessary reset.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the media type detection for CX4 adapters lumps them into a
type of fiber. This causes some strange fallout when firmware verification
is done on the NIC, and certain fiber NIC rules get enforced incorrectly.
This patch introduces a new media type for CX4, and puts both 82598 and
82599 CX4 adapters into this bucket.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for CX4 adapters based on 82599.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The packet split feature was recently moved out of the adapter-wide flags
feature field and into a per-Rx ring feature field. In the process, packet
split isn't properly disabled in the Rx ring if the adapter has it globally
disabled, followed by a device reset.
This won't impact the driver today, since it's always in packet split mode.
However, this will prevent any pitfalls if someone disables packet split on
the adapter in the future and doesn't disable it in each ring.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove long removed "inet_protocol_base" declaration.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that all Blackfin boards are using the board resources, we don't need
to keep the arch/board specific crap in the driver header.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No code change, cosmetical changes only:
* whitespace cleanup via scripts/cleanfile,
* remove self-references to filename at top of files,
* fix coding style (extraneous brackets),
* fix documentation style (kernel-doc-nano-HOWTO).
Thanks are due to Ivo Augusto Calado who raised these issues by
submitting good-quality patches.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since my commits introducing netns awareness into
genetlink we can get this problem:
BUG: scheduling while atomic: modprobe/1178/0x00000002
2 locks held by modprobe/1178:
#0: (genl_mutex){+.+.+.}, at: [<ffffffff8135ee1a>] genl_register_mc_grou
#1: (rcu_read_lock){.+.+..}, at: [<ffffffff8135eeb5>] genl_register_mc_g
Pid: 1178, comm: modprobe Not tainted 2.6.31-rc8-wl-34789-g95cb731-dirty #
Call Trace:
[<ffffffff8103e285>] __schedule_bug+0x85/0x90
[<ffffffff81403138>] schedule+0x108/0x588
[<ffffffff8135b131>] netlink_table_grab+0xa1/0xf0
[<ffffffff8135c3a7>] netlink_change_ngroups+0x47/0x100
[<ffffffff8135ef0f>] genl_register_mc_group+0x12f/0x290
because I overlooked that netlink_table_grab() will
schedule, thinking it was just the rwlock. However,
in the contention case, that isn't actually true.
Fix this by letting the code grab the netlink table
lock first and then the RCU for netns protection.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Have atalk_route_packet() return NET_RX_SUCCESS not NET_XMIT_SUCCESS
atalk_route_packet() returns NET_RX_DROP if it's call to
aarp_send_ddp() returns NET_XMIT_DROP. If aarp_send_ddp() returns
anything else atalk_route_packet() should return NET_RX_SUCCESS, not
NET_XMIT_SUCCESS.
Signed-off-by: Mark Smith <markzzzsmith@yahoo.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'osync_cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
fsync: wait for data writeout completion before calling ->fsync
vfs: Remove generic_osync_inode() and sync_page_range{_nolock}()
fat: Opencode sync_page_range_nolock()
pohmelfs: Use new syncing helper
xfs: Convert sync_page_range() to simple filemap_write_and_wait_range()
ocfs2: Update syncing after splicing to match generic version
ntfs: Use new syncing helpers and update comments
ext4: Remove syncing logic from ext4_file_write
ext3: Remove syncing logic from ext3_file_write
ext2: Update comment about generic_osync_inode
vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode
vfs: Rename generic_file_aio_write_nolock
ocfs2: Use __generic_file_aio_write instead of generic_file_aio_write_nolock
pohmelfs: Use __generic_file_aio_write instead of generic_file_aio_write_nolock
vfs: Remove syncing from generic_file_direct_write() and generic_file_buffered_write()
vfs: Export __generic_file_aio_write() and add some comments
vfs: Introduce filemap_fdatawait_range
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git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw:
GFS2: Whitespace fixes
GFS2: Remove unused sysfs file
GFS2: Be extra careful about deallocating inodes
GFS2: Remove no_formal_ino generating code
GFS2: Rename eattr.[ch] as xattr.[ch]
GFS2: Clean up of extended attribute support
GFS2: Add explanation of extended attr on-disk format
GFS2: Add "-o errors=panic|withdraw" mount options
GFS2: jumping to wrong label?
GFS2: free disk inode which is deleted by remote node -V2
GFS2: Add a document explaining GFS2's uevents
GFS2: Add sysfs link to device
GFS2: Replace assertion with proper error handling
GFS2: Improve error handling in inode allocation
GFS2: Add some more info to uevents
GFS2: Add online uevent to GFS2
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6:
udf: Fix possible corruption when close races with write
udf: Perform preallocation only for regular files
udf: Remove wrong assignment in udf_symlink
udf: Remove dead code
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (21 commits)
fs/Kconfig: move nilfs2 outside misc filesystems
nilfs2: convert nilfs_bmap_lookup to an inline function
nilfs2: allow btree code to directly call dat operations
nilfs2: add update functions of virtual block address to dat
nilfs2: remove individual gfp constants for each metadata file
nilfs2: stop zero-fill of btree path just before free it
nilfs2: remove unused btree argument from btree functions
nilfs2: remove nilfs_dat_abort_start and nilfs_dat_abort_free
nilfs2: shorten freeze period due to GC in write operation v3
nilfs2: add more check routines in mount process
nilfs2: An unassigned variable is assigned to a never used structure member
nilfs2: use GFP_NOIO for bio_alloc instead of GFP_NOWAIT
nilfs2: stop using periodic write_super callback
nilfs2: clean up nilfs_write_super
nilfs2: fix disorder of nilfs_write_super in nilfs_sync_fs
nilfs2: remove redundant super block commit
nilfs2: implement nilfs_show_options to display mount options in /proc/mounts
nilfs2: always lookup disk block address before reading metadata block
nilfs2: use semaphore to protect pointer to a writable FS-instance
nilfs2: fix format string compile warning (ino_t)
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: consolidate reconnect logic in smb_init routines
cifs: Replace wrtPending with a real reference count
cifs: protect GlobalOplock_Q with its own spinlock
cifs: use tcon pointer in cifs_show_options
cifs: send IPv6 addr in upcall with colon delimiters
[CIFS] Fix checkpatch warnings
PATCH] cifs: fix broken mounts when a SSH tunnel is used (try #4)
[CIFS] Memory leak in ntlmv2 hash calculation
[CIFS] potential NULL dereference in parse_DFS_referrals()
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6: (21 commits)
sparc64: Initial niagara2 perf counter support.
sparc64: Perf counter 'nop' event is not constant.
sparc64: Provide a way to specify a perf counter overflow IRQ enable bit.
sparc64: Provide hypervisor tracing bit support for perf counters.
sparc64: Initial hw perf counter support.
sparc64: Implement a real set_perf_counter_pending().
sparc64: Use nmi_enter() and nmi_exit(), as needed.
sparc64: Provide extern decls for sparc_??u_type strings.
sparc64: Make touch_nmi_watchdog() actually work.
sparc64: Kill unnecessary cast in profile_timer_exceptions_notify().
sparc64: Manage NMI watchdog enabling like x86.
sparc: add basic support for 'perf'
sparc: convert /proc/io_map, /proc/dvma_map to seq_file
sparc, leon: sparc-leon specific SRMMU initialization and bootup fixes.
sparc,leon: Added support for AMBAPP bus.
sparc,leon: Introduce the sparc-leon CPU type.
sparc,leon: Redefine MMU register access asi if CONFIG_LEON
sparc,leon: CONFIG_SPARC_LEON option and leon specific files.
sparc64: cheaper asm/uaccess.h inclusion
SPARC: fix duplicate declaration
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1623 commits)
netxen: update copyright
netxen: fix tx timeout recovery
netxen: fix file firmware leak
netxen: improve pci memory access
netxen: change firmware write size
tg3: Fix return ring size breakage
netxen: build fix for INET=n
cdc-phonet: autoconfigure Phonet address
Phonet: back-end for autoconfigured addresses
Phonet: fix netlink address dump error handling
ipv6: Add IFA_F_DADFAILED flag
net: Add DEVTYPE support for Ethernet based devices
mv643xx_eth.c: remove unused txq_set_wrr()
ucc_geth: Fix hangs after switching from full to half duplex
ucc_geth: Rearrange some code to avoid forward declarations
phy/marvell: Make non-aneg speed/duplex forcing work for 88E1111 PHYs
drivers/net/phy: introduce missing kfree
drivers/net/wan: introduce missing kfree
net: force bridge module(s) to be GPL
Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded
...
Fixed up trivial conflicts:
- arch/x86/include/asm/socket.h
converted to <asm-generic/socket.h> in the x86 tree. The generic
header has the same new #define's, so that works out fine.
- drivers/net/tun.c
fix conflict between 89f56d1e9 ("tun: reuse struct sock fields") that
switched over to using 'tun->socket.sk' instead of the redundantly
available (and thus removed) 'tun->sk', and 2b980dbd ("lsm: Add hooks
to the TUN driver") which added a new 'tun->sk' use.
Noted in 'next' by Stephen Rothwell.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: split __phys_addr out into separate file
xen: use stronger barrier after unlocking lock
xen: only enable interrupts while actually blocking for spinlock
xen: make -fstack-protector work under Xen
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When we close a file, we remove preallocated blocks from it. But this
truncation was not protected by i_mutex and thus it could have raced with a
write through a different fd and cause crashes or even filesystem corruption.
Signed-off-by: Jan Kara <jack@suse.cz>
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So far we preallocated blocks also for directories but that brings a
problem, when to get rid of preallocated blocks we don't need. So far
we removed them in udf_clear_inode() which has a disadvantage that
1) blocks are unavailable long after writing to a directory finished
and thus one can get out of space unnecessarily early
2) releasing blocks from udf_clear_inode is problematic because VFS
does not expect us to redirty inode there and it also slows down
memory reclaim.
So preallocate blocks only for regular files where we can drop preallocation
in udf_release_file.
Signed-off-by: Jan Kara <jack@suse.cz>
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Recomputation of the pointer was wrong (it should have been just increment).
Luckily, we never use the computed value. Remove it.
Signed-off-by: Jan Kara <jack@suse.cz>
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Remove code that gets never used.
Signed-off-by: Jan Kara <jack@suse.cz>
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Currenly vfs_fsync(_range) first calls filemap_fdatawrite to write out
the data, the calls into ->fsync to write out the metadata and then finally
calls filemap_fdatawait to wait for the data I/O to complete. What sounds
like a clever micro-optimization actually is nast trap for many filesystems.
For many modern filesystems i_size or other inode information is only
updated on I/O completion and we need to wait for I/O to finish before
we can write out the metadata. For old fashionen filesystems that
instanciate blocks during the actual write and also update the metadata
at that point it opens up a large window were we could expose uninitialized
blocks after a crash. While a few filesystems that need it already wait
for the I/O to finish inside their ->fsync methods it is rather suboptimal
as it is done under the i_mutex and also always for the whole file instead
of just a part as we could do for O_SYNC handling.
Here is a small audit of all fsync instances in the tree:
- spufs_mfc_fsync:
- ps3flash_fsync:
- vol_cdev_fsync:
- printer_fsync:
- fb_deferred_io_fsync:
- bad_file_fsync:
- simple_sync_file:
don't care - filesystems/drivers do't use the page cache or are
purely in-memory.
- simple_fsync:
- file_fsync:
- affs_file_fsync:
- fat_file_fsync:
- jfs_fsync:
- ubifs_fsync:
- reiserfs_dir_fsync:
- reiserfs_sync_file:
never touch pagecache themselves. We need to wait before if we do
not want to expose stale data after an allocation.
- afs_fsync:
- fuse_fsync_common:
do the waiting writeback itself in awkward ways, would benefit from
proper semantics
- block_fsync:
Does a filemap_write_and_wait on the block device inode. Because we
now have f_mapping that is the same inode we call it on in vfs_fsync.
So just removing it and letting the VFS do the work in one go would
be an improvement.
- btrfs_sync_file:
- cifs_fsync:
- xfs_file_fsync:
need the wait first and currently do it themselves. would benefit from
doing it outside i_mutex.
- coda_fsync:
- ecryptfs_fsync:
- exofs_file_fsync:
- shm_fsync:
only passes the fsync through to the lower layer
- ext3_sync_file:
doesn't seem to care, comments are confusing.
- ext4_sync_file:
would need the wait to work correctly for delalloc mode with late
i_size updates. Otherwise the ext3 comment applies.
currently implemens it's own writeback and wait in an odd way,
could benefit from doing it properly.
- gfs2_fsync:
not needed for journaled data mode, but probably harmless there.
Currently writes back data asynchronously itself. Needs some
major audit.
- hostfs_fsync:
just calls fsync/datasync on the host FD. Without the wait before
data might not even be inflight yet if we're unlucky.
- hpfs_file_fsync:
- ncp_fsync:
no-ops. Dangerous before and after.
- jffs2_fsync:
just calls jffs2_flush_wbuf_gc, not sure how this relates to data.
- nfs_fsync_dir:
just increments stats, claims all directory operations are synchronous
- nfs_file_fsync:
only writes out data??? Looks very odd.
- nilfs_sync_file:
looks like it expects all data done, but not sure from the code
- ntfs_dir_fsync:
- ntfs_file_fsync:
appear to do their own data writeback. Very convoluted code.
- ocfs2_sync_file:
does it's own data writeback, but no wait. probably needs the wait.
- smb_fsync:
according to a comment expects all pages written already, probably needs
the wait before.
This patch only changes vfs_fsync_range, removal of the wait in the methods
that have it is left to the filesystem maintainers. Note that most
filesystems really do need an audit for their fsync methods given the
gems found in this very brief audit.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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Remove these three functions since nobody uses them anymore.
Signed-off-by: Jan Kara <jack@suse.cz>
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fat_cont_expand() is the only user of sync_page_range_nolock(). It's also the
only user of generic_osync_inode() which does not have a file open. So
opencode needed actions for FAT so that we can convert generic_osync_inode() to
a standard syncing path.
Update a comment about generic_osync_inode().
CC: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Jan Kara <jack@suse.cz>
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Use new generic_write_sync() helper instead of sync_page_range().
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Jan Kara <jack@suse.cz>
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Christoph Hellwig says that it is enough for XFS to call
filemap_write_and_wait_range() instead of sync_page_range() because we do
all the metadata syncing when forcing the log.
CC: Felix Blyakher <felixb@sgi.com>
CC: xfs@oss.sgi.com
CC: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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Update ocfs2 specific splicing code to use generic syncing helper. The sync now
does not happen under rw_lock because generic_write_sync() acquires i_mutex
which ranks above rw_lock. That should not matter because standard fsync path
does not hold it either.
Acked-by: Joel Becker <Joel.Becker@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
CC: ocfs2-devel@oss.oracle.com
Signed-off-by: Jan Kara <jack@suse.cz>
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Use new syncing helpers in .write and .aio_write functions. Also
remove superfluous syncing in ntfs_file_buffered_write() and update
comments about generic_osync_inode().
CC: Anton Altaparmakov <aia21@cantab.net>
CC: linux-ntfs-dev@lists.sourceforge.net
Signed-off-by: Jan Kara <jack@suse.cz>
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The syncing is now properly handled by generic_file_aio_write() so
no special ext4 code is needed.
CC: linux-ext4@vger.kernel.org
CC: tytso@mit.edu
Signed-off-by: Jan Kara <jack@suse.cz>
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Syncing is now properly done by generic_file_aio_write() so no special logic is
needed in ext3.
CC: linux-ext4@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
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