matthieu castet [Fri, 6 Jan 2006 06:31:00 +0000 (01:31 -0500)]
[PNPACPI] Ignore devices that have no resources
Ignore devices that don't have a _CRS method.
They are useless for the PNP layer as they don't provide any resources.
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Bjorn Helgaas [Tue, 20 Sep 2005 19:26:00 +0000 (15:26 -0400)]
[ACPI] enable PNPACPI support for resource types used by HP serial ports
PNPACPI complained about and ignored devices with ADDRESS16, ADDRESS32, or
ADDRESS64 descriptors in _PRS. HP firmware uses them for built-in serial
ports, so this patch adds support for parsing these descriptors from _PRS.
Note that this does not add the corresponding support for encoding them in
preparation for _SRS, because I don't have any machine that supports _SRS
on these descriptors, so I couldn't test that support. Attempts to encode
them will cause a warning and an -EINVAL return.
http://sourceforge.net/mailarchive/forum.php?thread_id=
8250154&forum_id=6102
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
David S. Miller [Fri, 6 Jan 2006 23:36:48 +0000 (15:36 -0800)]
[PATCH] Fix posix-cpu-timers sched_time accumulation
I've spent the past 3 days digging into a glibc testsuite failure in
current CVS, specifically libc/rt/tst-cputimer1.c The thr1 and thr2
timers fire too early in the second pass of this test. The second
pass is noteworthy because it makes use of intervals, whereas the
first pass does not.
All throughout the posix-cpu-timers.c code, the calculation of the
process sched_time sum is implemented roughly as:
unsigned long long sum;
sum = tsk->signal->sched_time;
t = tsk;
do {
sum += t->sched_time;
t = next_thread(t);
} while (t != tsk);
In fact this is the exact scheme used by check_process_timers().
In the case of check_process_timers(), current->sched_time has just
been updated (via scheduler_tick(), which is invoked by
update_process_times(), which subsequently invokes
run_posix_cpu_timers()) So there is no special processing necessary
wrt. that.
In other contexts, we have to allot for the fact that tsk->sched_time
might be a bit out of date if we are current. And the
posix-cpu-timers.c code uses current_sched_time() to deal with that.
Unfortunately it does so in an erroneous and inconsistent manner in
one spot which is what results in the early timer firing.
In cpu_clock_sample_group_locked(), it does this:
cpu->sched = p->signal->sched_time;
/* Add in each other live thread. */
while ((t = next_thread(t)) != p) {
cpu->sched += t->sched_time;
}
if (p->tgid == current->tgid) {
/*
* We're sampling ourselves, so include the
* cycles not yet banked. We still omit
* other threads running on other CPUs,
* so the total can always be behind as
* much as max(nthreads-1,ncpus) * (NSEC_PER_SEC/HZ).
*/
cpu->sched += current_sched_time(current);
} else {
cpu->sched += p->sched_time;
}
The problem is the "p->tgid == current->tgid" test. If "p" is
not current, and the tgids are the same, we will add the process
t->sched_time twice into cpu->sched and omit "p"'s sched_time
which is very very very wrong.
posix-cpu-timers.c has a helper function, sched_ns(p) which takes care
of this, so my fix is to use that here instead of this special tgid
test.
The fact that current can be one of the sub-threads of "p" points out
that we could make things a little bit more accurate, perhaps by using
sched_ns() on every thread we process in these loops. It also points
out that we don't use the most accurate value for threads in the group
actively running other cpus (and this is mentioned in the comment).
But that is a future enhancement, and this fix here definitely makes
sense.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Fri, 6 Jan 2006 23:25:08 +0000 (15:25 -0800)]
Merge /pub/scm/linux/kernel/git/gregkh/i2c-2.6
Linus Torvalds [Fri, 6 Jan 2006 23:24:28 +0000 (15:24 -0800)]
Merge /pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Fri, 6 Jan 2006 23:23:56 +0000 (15:23 -0800)]
Merge git://git./linux/kernel/git/sam/kbuild
Linus Torvalds [Fri, 6 Jan 2006 23:22:57 +0000 (15:22 -0800)]
Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
Evgeniy [Fri, 6 Jan 2006 18:18:01 +0000 (21:18 +0300)]
[PATCH] fs/ufs: debug mode compilation failure
This patch should fix compilation failure of fs/ufs/dir.c with defined UFS_DIR_DEBUG
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Dimitri Sivanich [Fri, 6 Jan 2006 17:33:41 +0000 (11:33 -0600)]
[PATCH] shrink mmtimer memory size
This greatly reduces the amount of memory used by mmtimer on smaller
machines with large values of MAX_COMPACT_NODES.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Adrian Bunk [Fri, 6 Jan 2006 17:26:29 +0000 (18:26 +0100)]
[PATCH] MAINTAINERS: remove the outdated DAC960 entry
Randy Dunlap: "Dave is no longer at OSDL and is no longer maintaining
that driver."
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Alexey Dobriyan [Fri, 6 Jan 2006 21:24:54 +0000 (13:24 -0800)]
[NET]: Endian-annotate in_aton()
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexey Dobriyan [Fri, 6 Jan 2006 21:24:29 +0000 (13:24 -0800)]
[NET]: Endian-annotate struct iphdr
And fix trivial warnings that emerged.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trent Jaeger [Fri, 6 Jan 2006 21:22:39 +0000 (13:22 -0800)]
[LSM-IPSec]: Corrections to LSM-IPSec Nethooks
This patch contains two corrections to the LSM-IPsec Nethooks patches
previously applied.
(1) free a security context on a failed insert via xfrm_user
interface in xfrm_add_policy. Memory leak.
(2) change the authorization of the allocation of a security context
in a xfrm_policy or xfrm_state from both relabelfrom and relabelto
to setcontext.
Signed-off-by: Trent Jaeger <tjaeger@cse.psu.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Luiz Capitulino [Fri, 6 Jan 2006 21:19:31 +0000 (13:19 -0800)]
[PKTGEN]: Adds missing __init.
pktgen_find_thread() and pktgen_create_thread() are only called at
initialization time.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
Joe [Fri, 6 Jan 2006 21:15:11 +0000 (13:15 -0800)]
[NETFILTER]: ipt_helper.c needs linux/interrupt.h
From: Joe <joecool1029@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stephen Hemminger [Fri, 6 Jan 2006 21:13:29 +0000 (13:13 -0800)]
[BRIDGE] netfilter: vlan + hw checksum = bug?
It looks like the bridge netfilter code does not correctly update
the hardware checksum after popping off the VLAN header.
This is by inspection, I have *not* tested this.
To test you would need to set up a filtering bridge with vlans
and a device the does hardware receive checksum (skge, or sungem)
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shaun Pereira [Fri, 6 Jan 2006 21:11:35 +0000 (13:11 -0800)]
[X25]: Fix for broken x25 module.
When a user-space server application calls bind on a socket, then in kernel
space this bound socket is considered 'x25-linked' and the SOCK_ZAPPED flag
is unset.(As in x25_bind()/af_x25.c).
Now when a user-space client application attempts to connect to the server
on the listening socket, if the kernel accepts this in-coming call, then it
returns a new socket to userland and attempts to reply to the caller.
The reply/x25_sendmsg() will fail, because the new socket created on
call-accept has its SOCK_ZAPPED flag set by x25_make_new().
(sock_init_data() called by x25_alloc_socket() called by x25_make_new()
sets the flag to SOCK_ZAPPED)).
Fix: Using the sock_copy_flag() routine available in sock.h fixes this.
Tested on 32 and 64 bit kernels with x25 over tcp.
Signed-off-by: Shaun Pereira <pereira.shaun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kris Katterjohn [Fri, 6 Jan 2006 21:08:20 +0000 (13:08 -0800)]
[NET]: Change sk_run_filter()'s return type in net/core/filter.c
It should return an unsigned value, and fix sk_filter() as well.
Signed-off-by: Kris Katterjohn <kjak@ispwest.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kris Katterjohn [Fri, 6 Jan 2006 21:05:58 +0000 (13:05 -0800)]
[NET]: Use newer is_multicast_ether_addr() in some files
This uses is_multicast_ether_addr() because it has recently been
changed to do the same thing these seperate tests are doing.
Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Greg Kroah-Hartman [Fri, 6 Jan 2006 20:59:59 +0000 (12:59 -0800)]
Merge ../torvalds-2.6/
Adrian Bunk [Mon, 2 Jan 2006 10:25:30 +0000 (11:25 +0100)]
kconfig: fix gconfig with POSIXLY_CORRECT=1
This patch fixed "make gconfig" with POSIXLY_CORRECT=1 set.
This issue was reported by Jens Elkner <elkner@linofee.org> in kernel
Bugzilla #2919.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Sam Ravnborg [Fri, 6 Jan 2006 20:17:50 +0000 (21:17 +0100)]
kbuild: un-stringnify KBUILD_MODNAME
Now when kbuild passes KBUILD_MODNAME with "" do not __stringify it when
used. Remove __stringnify for all users.
This also fixes the output of:
$ ls -l /sys/module/
drwxr-xr-x 4 root root 0 2006-01-05 14:24 pcmcia
drwxr-xr-x 4 root root 0 2006-01-05 14:24 pcmcia_core
drwxr-xr-x 3 root root 0 2006-01-05 14:24 "processor"
drwxr-xr-x 3 root root 0 2006-01-05 14:24 "psmouse"
The quoting of the module names will be gone again.
Thanks to GregKH + Kay Sievers for reproting this.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
J. Bruce Fields [Tue, 3 Jan 2006 08:56:01 +0000 (09:56 +0100)]
SUNRPC: Make krb5 report unsupported encryption types
Print messages when an unsupported encrytion algorthm is requested or
there is an error locating a supported algorthm.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:56:01 +0000 (09:56 +0100)]
SUNRPC: Make spkm3 report unsupported encryption types
Print messages when an unsupported encrytion algorthm is requested or
there is an error locating a supported algorthm.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:56:00 +0000 (09:56 +0100)]
SUNRPC: Update the spkm3 code to use the make_checksum interface
Also update the tokenlen calculations to accomodate g_token_size().
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:58 +0000 (09:55 +0100)]
NFSv4: Fix an Oops in nfs_do_expire_all_delegations
If the loop errors, we need to exit.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:57 +0000 (09:55 +0100)]
NFSv4: Allow entries in the idmap cache to expire
If someone changes the uid/gid mapping in userland, then we do eventually
want those changes to be propagated to the kernel. Currently the kernel
assumes that it may cache entries forever.
Add an expiration time + garbage collector for idmap entries.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:56 +0000 (09:55 +0100)]
SUNRPC: Clean up xprt_destroy()
We ought never to be calling xprt_destroy() if there are still active
rpc_tasks. Optimise away the broken code that attempts to "fix" that case.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:55 +0000 (09:55 +0100)]
SUNRPC: Ensure client closes the socket when server initiates a close
If the server decides to close the RPC socket, we currently don't actually
respond until either another RPC call is scheduled, or until xprt_autoclose()
gets called by the socket expiry timer (which may be up to 5 minutes
later).
This patch ensures that xprt_autoclose() is called much sooner if the
server closes the socket.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:54 +0000 (09:55 +0100)]
NFS: get rid of some needless code obfuscation in xdr_encode_sattr().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:53 +0000 (09:55 +0100)]
NFS: Send valid mode bits to the server
inode->i_mode contains a lot more than just the mode bits. Make sure that
we mask away this extra stuff in SETATTR calls to the server.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Tue, 3 Jan 2006 08:55:52 +0000 (09:55 +0100)]
SUNRPC: get rid of cl_chatty
Clean up: Every ULP that uses the in-kernel RPC client, except the NLM
client, sets cl_chatty. There's no reason why NLM shouldn't set it, so
just get rid of cl_chatty and always be verbose.
Test-plan:
Compile with CONFIG_NFS enabled.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Tue, 3 Jan 2006 08:55:51 +0000 (09:55 +0100)]
SUNRPC: transport switch API for setting port number
At some point, transport endpoint addresses will no longer be IPv4. To hide
the structure of the rpc_xprt's address field from ULPs and port mappers,
add an API for setting the port number during an RPC bind operation.
Test-plan:
Destructive testing (unplugging the network temporarily). Connectathon
with UDP and TCP. NFSv2/3 and NFSv4 mounting should be carefully checked.
Probably need to rig a server where certain services aren't running, or
that returns an error for some typical operation.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Tue, 3 Jan 2006 08:55:50 +0000 (09:55 +0100)]
SUNRPC: new interface to force an RPC rebind
We'd like to hide fields in rpc_xprt and rpc_clnt from upper layer protocols.
Start by creating an API to force RPC rebind, replacing logic that simply
sets cl_port to zero.
Test-plan:
Destructive testing (unplugging the network temporarily). Connectathon
with UDP and TCP. NFSv2/3 and NFSv4 mounting should be carefully checked.
Probably need to rig a server where certain services aren't running, or
that returns an error for some typical operation.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Tue, 3 Jan 2006 08:55:49 +0000 (09:55 +0100)]
SUNRPC: switchable buffer allocation
Add RPC client transport switch support for replacing buffer management
on a per-transport basis.
In the current IPv4 socket transport implementation, RPC buffers are
allocated as needed for each RPC message that is sent. Some transport
implementations may choose to use pre-allocated buffers for encoding,
sending, receiving, and unmarshalling RPC messages, however. For
transports capable of direct data placement, the buffers can be carved
out of a pre-registered area of memory rather than from a slab cache.
Test-plan:
Millions of fsx operations. Performance characterization with "sio" and
"iozone". Use oprofile and other tools to look for significant regression
in CPU utilization.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:48 +0000 (09:55 +0100)]
NFSv3: try get_root user-supplied security_flavor
Thanks to Ed Keizer for bug and root cause. He says: "... we could only mount
the top-level Solaris share. We could not mount deeper into the tree.
Investigation showed that Solaris allows UNIX authenticated FSINFO only on the
top level of the share. This is a problem because we share/export our home
directories one level higher than we mount them. I.e. we share the partition
and not the individual home directories. This prevented access to home
directories."
We still may need to try auth_sys for the case where the client doesn't have
appropriate credentials.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:46 +0000 (09:55 +0100)]
NLM: fix parsing of sm notify procedure
The procedure that decodes statd sm_notify call seems to be skipping a
few arguments. How did this ever work?
>From folks at Polyserve.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:46 +0000 (09:55 +0100)]
NLM: Further cancel fixes
If the server receives an NLM cancel call and finds no waiting lock to
cancel, then chances are the lock has already been applied, and the client
just hadn't yet processed the NLM granted callback before it sent the
cancel.
The Open Group text, for example, perimts a server to return either success
(LCK_GRANTED) or failure (LCK_DENIED) in this case. But returning an error
seems more helpful; the client may be able to use it to recognize that a
race has occurred and to recover from the race.
So, modify the relevant functions to return an error in this case.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:45 +0000 (09:55 +0100)]
NLM: clean up nlmsvc_delete_block
The fl_next check here is superfluous (and possibly a layering violation).
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:44 +0000 (09:55 +0100)]
NLM: don't unlock on cancel requests
Currently when lockd gets an NLM_CANCEL request, it also does an unlock for
the same range. This is incorrect.
The Open Group documentation says that "This procedure cancels an
*outstanding* blocked lock request." (Emphasis mine.)
Also, consider a client that holds a lock on the first byte of a file, and
requests a lock on the entire file. If the client cancels that request
(perhaps because the requesting process is signalled), the server shouldn't
apply perform an unlock on the entire file, since that will also remove the
previous lock that the client was already granted.
Or consider a lock request that actually *downgraded* an exclusive lock to
a shared lock.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
J. Bruce Fields [Tue, 3 Jan 2006 08:55:42 +0000 (09:55 +0100)]
NLM: Clean up nlmsvc_grant_reply locking
Slightly simpler logic here makes it more trivial to verify that the up's
and down's are balanced here. Break out an assignment from a conditional
while we're at it.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Adrian Bunk [Tue, 3 Jan 2006 08:55:41 +0000 (09:55 +0100)]
SUNRPC: net/sunrpc/xdr.c: remove xdr_decode_string()
This patch removes ths unused function xdr_decode_string().
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Neil Brown <neilb@suse.de>
Acked-by: Charles Lever <Charles.Lever@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:41 +0000 (09:55 +0100)]
NFSv4: Allow user to set the port used by the NFSv4 callback channel
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:40 +0000 (09:55 +0100)]
NFS: Clean up weak cache consistency code
...and ensure that nfs_update_inode() respects wcc
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:38 +0000 (09:55 +0100)]
NFSv4: Ensure DELEGRETURN returns attributes
Upon return of a write delegation, the server will almost always bump the
change attribute. Ensure that we pick up that change so that we don't
invalidate our data cache unnecessarily.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:37 +0000 (09:55 +0100)]
NFSv4: Ensure change attribute returned by GETATTR callback conforms to spec
According to RFC3530 we're supposed to cache the change attribute
at the time the client receives a write delegation.
If the inode is clean, a CB_GETATTR callback by the server to the
client is supposed to return the cached change attribute.
If, OTOH, the inode is dirty, the client should bump the cached
change attribute by 1.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:36 +0000 (09:55 +0100)]
SUNRPC: Fix a potential race in rpc_pipefs.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:35 +0000 (09:55 +0100)]
NFS: Make directIO aware of compound pages...
...and avoid calling set_page_dirty on them
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:34 +0000 (09:55 +0100)]
NFS: Make stat() return updated mtimes after a write()
The SuS states that a call to write() will cause mtime to be updated on
the file. In order to satisfy that requirement, we need to flush out
any cached writes in nfs_getattr().
Speed things up slightly by not committing the writes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:33 +0000 (09:55 +0100)]
NFSv4: Ensure that we return the delegation on the target of a rename too.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:09:02 +0000 (18:09 -0500)]
NFS: support large reads and writes on the wire
Most NFS server implementations allow up to 64KB reads and writes on the
wire. The Solaris NFS server allows up to a megabyte, for instance.
Now the Linux NFS client supports transfer sizes up to 1MB, too. This will
help reduce protocol and context switch overhead on read/write intensive NFS
workloads, and support larger atomic read and write operations on servers
that support them.
Test-plan:
Connectathon and iozone on mount point with wsize=rsize>32768 over TCP.
Tests with NFS over UDP to verify the maximum RPC payload size cap.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:08:55 +0000 (18:08 -0500)]
NFS: make "inode number mismatch" message more useful
To help NFS users and server developers, make the "inode number mismatch"
message display more useful information.
Test-plan:
None.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:08:57 +0000 (18:08 -0500)]
NFS: get rid of useless kernel log message
nfs_statfs() generates a log message when GETATTR returns an error. This
is usually a useless message. Make it a dprintk.
Test plan:
None
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:08:59 +0000 (18:08 -0500)]
NFS: simplify inlined bit ops in nfs_page.h
Minor cleanup: inlined bit ops in nfs_page.h can be simpler.
Test plan:
Write-intensive workload against a server that requires COMMITs.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:08:19 +0000 (18:08 -0500)]
NFS: Fix error recovery code in fs/nfs/inode.c:__init_nfs()
Red Hat found a problem in the error recovery logic in __init_nfs.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Chuck Lever [Wed, 30 Nov 2005 23:08:17 +0000 (18:08 -0500)]
NFS: use generic_write_checks() to sanity check direct writes
Replace ad hoc write parameter sanity checking in nfs_file_direct_write()
with a call to generic_write_checks(). This should make the proper checks
modulo the O_LARGEFILE flag, and should catch NFSv2-specific limitations by
virtue of i_sb->s_maxbytes.
Test plan:
Posix compliance testing with both NFSv2 and NFSv3.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:26 +0000 (09:55 +0100)]
NFSv4: Remove requirement for machine creds for the "setclientid" operation
Use a cred from the nfs4_client->cl_state_owners list.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:25 +0000 (09:55 +0100)]
NFSv4: Remove requirement for machine creds for the "renew" operation
In RFC3530, the RENEW operation is allowed to use either
the same principal, RPC security flavour and (if RPCSEC_GSS), the same
mechanism and service that was used for SETCLIENTID_CONFIRM
OR
Any principal, RPC security flavour and service combination that
currently has an OPEN file on the server.
Choose the latter since that doesn't require us to keep credentials for
the same principal for the entire duration of the mount.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:24 +0000 (09:55 +0100)]
NFSv4: Send RENEW requests to the server only when we're holding state
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:23 +0000 (09:55 +0100)]
NFS: Convert instances of kernel_thread() to kthread()
Convert private implementations in NFSv4 state recovery and delegation
code to use kthreads.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:22 +0000 (09:55 +0100)]
NFSv4: State recovery cleanup
Use wait_on_bit() when waiting for state recovery to complete.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:21 +0000 (09:55 +0100)]
NFSv4: OPEN/LOCK/LOCKU/CLOSE will automatically renew the NFSv4 lease
Cut down on the number of unnecessary RENEW requests on the wire.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:19 +0000 (09:55 +0100)]
SUNRPC: Ensure that SIGKILL will always terminate a synchronous RPC call.
...and make sure that the "intr" flag also enables SIGHUP and SIGTERM to
interrupt RPC calls too (as per the Solaris implementation).
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:18 +0000 (09:55 +0100)]
NFSv4: Make DELEGRETURN an interruptible operation.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:17 +0000 (09:55 +0100)]
NFSv4: Convert LOCK rpc call into an asynchronous RPC call
In order to allow users to interrupt/cancel it.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:16 +0000 (09:55 +0100)]
NFSv4: locking XDR cleanup
Get rid of some unnecessary intermediate structures
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:15 +0000 (09:55 +0100)]
NFSv4: Make open recovery track O_RDWR, O_RDONLY and O_WRONLY correctly
When recovering from a delegation recall or a network partition, we need
to replay open(O_RDWR), open(O_RDONLY) and open(O_WRONLY) separately.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:13 +0000 (09:55 +0100)]
NFSv4: Make nfs4_state track O_RDWR, O_RDONLY and O_WRONLY separately
A closer reading of RFC3530 reveals that OPEN_DOWNGRADE must always
specify a access modes that have been the argument of a previous OPEN
operation.
IOW: doing OPEN(O_RDWR) and then OPEN_DOWNGRADE(O_WRONLY) is forbidden
unless the user called OPEN(O_WRONLY)
In order to fix that, we really need to track the three possible open
states separately.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:12 +0000 (09:55 +0100)]
NFSv4: Make open_confirm() asynchronous too
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:11 +0000 (09:55 +0100)]
NFSv4: Convert open() into an asynchronous RPC call
OPEN is a stateful operation, so we must ensure that it always
completes. In order to allow users to interrupt the operation,
we need to make the RPC call asynchronous, and then wait on
completion (or cancel).
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:10 +0000 (09:55 +0100)]
SUNRPC: rpc_execute should not return task->tk_status;
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:09 +0000 (09:55 +0100)]
SUNRPC: Get rid of some unused exports
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:08 +0000 (09:55 +0100)]
NFSv4: Allocate OPEN call RPC arguments using kmalloc()
Cleanup in preparation for making OPEN calls interruptible by the user.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:07 +0000 (09:55 +0100)]
NFSv4: Make locku use the new RPC "wait on completion" interface.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:06 +0000 (09:55 +0100)]
NFSv4: stateful NFSv4 RPC call interface
The NFSv4 model requires us to complete all RPC calls that might
establish state on the server whether or not the user wants to
interrupt it. We may also need to schedule new work (including
new RPC calls) in order to cancel the new state.
The asynchronous RPC model will allow us to ensure that RPC calls
always complete, but in order to allow for "synchronous" RPC, we
want to add the ability to wait for completion.
The waits are, of course, interruptible.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:05 +0000 (09:55 +0100)]
SUNRPC: Further cleanups
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:04 +0000 (09:55 +0100)]
RPC: Clean up RPC task structure
Shrink the RPC task structure. Instead of storing separate pointers
for task->tk_exit and task->tk_release, put them in a structure.
Also pass the user data pointer as a parameter instead of passing it via
task->tk_calldata. This enables us to nest callbacks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:03 +0000 (09:55 +0100)]
SUNRPC: Yet more RPC cleanups
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Trond Myklebust [Tue, 3 Jan 2006 08:55:02 +0000 (09:55 +0100)]
NFS: Work correctly with single-page ->writepage() calls
Ensure that we always initiate flushing of data before we exit
a single-page ->writepage() call.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Andrew Morton [Wed, 16 Nov 2005 23:07:01 +0000 (15:07 -0800)]
identify multipage ->writepages() calls
NFS needs to be able to distinguish between single-page ->writepage() calls and
multipage ->writepages() calls.
For the single-page writepage calls NFS can kick off the I/O within the
context of ->writepage().
For multipage ->writepages calls, nfs_writepage() will leave the I/O pending
and nfs_writepages() will kick off the I/O when it all has been queued up
within NFS.
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Brian Gerst [Thu, 5 Jan 2006 17:10:52 +0000 (12:10 -0500)]
gitignore: ignore shared objects
Many arches make shared objects for VDSOs. Generally exclude them.
Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Rene Scharfe [Wed, 4 Jan 2006 19:42:03 +0000 (20:42 +0100)]
kbuild: Use git in scripts/setlocalversion
Currently scripts/setlocalversion is a Perl script that tries to figure
out the current git commit ID of a repo without using git. It also
imports Digest::MD5 without using it and generally is too big for the
small task it does. :] And it always reports a git ID, even when the
HEAD is tagged -- this is a bug.
This patch replaces it with a Bourne Shell script that uses git
commands to do the same. I can't come up with a scenario where someone
would use a git repo and refuse to install git core at the same time,
so I think it's reasonable to assume git is available.
The new script also reports uncommitted changes by adding -git_dirty to
the version string. Obviously you can't see from that _what_ has been
changed from the last commit, so it's more of a reminder that you
forgot to commit something.
The script is easily extensible: simply add a check for Mercurial (or
whatever) below the git check.
Note: the script doesn't print a newline char anymore. That's only
because it was easier to implement it that way, not a feature (or bug).
'make kernelrelease' doesn't care.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Acked-by: Ryan Anderson <ryan@michonline.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Sam Ravnborg [Fri, 6 Jan 2006 19:33:41 +0000 (20:33 +0100)]
kbuild: document howto build external modules using several directories
Update modules.txt with info how to build external modules
with files in several directories.
The question popped up on lkml often enough to warrant this,
let's see if people read this stuff - or google hits it.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Linus Torvalds [Fri, 6 Jan 2006 17:01:25 +0000 (09:01 -0800)]
Merge branch 'post-2.6.15' of git://brick.kernel.dk/data/git/linux-2.6-block
Manual fixup for merge with Jens' "Suspend support for libata", commit
ID
9b847548663ef1039dd49f0eb4463d001e596bc3.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Fri, 6 Jan 2006 16:43:16 +0000 (08:43 -0800)]
x86: remove bogus 'pci=usepirqmask' suggestion when no irq is defined
This was harmless, but for the case of a device that had no irq
pre-defined we would incorrectly suggest that "usepirqmask" might make a
difference. It never would, and the message was just confusing people.
Reported in the dmesg of Etienne Lorrain.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Jens Axboe [Fri, 6 Jan 2006 08:28:07 +0000 (09:28 +0100)]
[PATCH] Suspend support for libata
This patch adds suspend patch to libata, and ata_piix in particular. For
most low level drivers, they should just need to add the 4 hooks to
work. As I can only test ata_piix, I didn't enable it for more
though.
Suspend support is the single most important feature on a notebook, and
most new notebooks have sata drives. It's quite embarrassing that we
_still_ do not support this. Right now, it's perfectly possible to
suspend the drive in mid-transfer.
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:21:36 +0000 (00:21 -0800)]
[PATCH] md: allow sync-speed to be controlled per-device
Also export current (average) speed and status in sysfs.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:21:16 +0000 (00:21 -0800)]
[PATCH] md: support adding new devices to md arrays via sysfs
Writing major:minor to md/new_dev will bind that device to the array.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:21:06 +0000 (00:21 -0800)]
[PATCH] md: allow available size of component devices to be set via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton [Fri, 6 Jan 2006 08:20:59 +0000 (00:20 -0800)]
[PATCH] md-export-rdev-data_offset-via-sysfs-fix
drivers/md/md.c: In function `offset_show':
drivers/md/md.c:1670: warning: long long unsigned int format, different type arg (arg 3)
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:56 +0000 (00:20 -0800)]
[PATCH] md: export rdev->data_offset via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:55 +0000 (00:20 -0800)]
[PATCH] md: expose device slot information via sysfs
This the role that a device has in an array can be viewed and set.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:55 +0000 (00:20 -0800)]
[PATCH] md: keep better track of dev/array size when assembling md arrays
Move the checks - that dev size is never less than array size - into
bind_rdev_to_array to make sure it always happens properly (there is one place
where currently it doesn't).
Also reject any superblock which claims an array size smaller than the device
in question can hold.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:54 +0000 (00:20 -0800)]
[PATCH] md: allow md/raid_disks to be settable
If array is active, try to reshape, else just set the value.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:52 +0000 (00:20 -0800)]
[PATCH] md: count corrected read errors per drive
Store this total in superblock (As appropriate), and make it available to
userspace via sysfs.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:51 +0000 (00:20 -0800)]
[PATCH] md: allow array level to be set textually via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:50 +0000 (00:20 -0800)]
[PATCH] md: expose md metadata format in sysfs
Allow it to be set to a particular version, or 'none'.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:49 +0000 (00:20 -0800)]
[PATCH] md: allow md array component size to be accessed and set via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:47 +0000 (00:20 -0800)]
[PATCH] md: allow chunk_size to be settable through sysfs
... only before array is started of course.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Fri, 6 Jan 2006 08:20:46 +0000 (00:20 -0800)]
[PATCH] md: fix rdev->pending counts in raid1
When we do a user-requested check/repair, we lose count of the outstanding
requests...
Also make sure that when anything is written to md/sync_action, the
RECOVERY_NEEDED flag is set and the thread is woken up so any changes take
effect.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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