| Commit message (Collapse) | Author | Age | Files | Lines |
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (41 commits)
[XFRM]: Fix leak of expired xfrm_states
[ATM]: [he] initialize lock and tasklet earlier
[IPV4]: Remove bogus ifdef mess in arp_process
[SKBUFF]: Free old skb properly in skb_morph
[IPV4]: Fix memory leak in inet_hashtables.h when NUMA is on
[IPSEC]: Temporarily remove locks around copying of non-atomic fields
[TCP] MTUprobe: Cleanup send queue check (no need to loop)
[TCP]: MTUprobe: receiver window & data available checks fixed
[MAINTAINERS]: tlan list is subscribers-only
[SUNRPC]: Remove SPIN_LOCK_UNLOCKED
[SUNRPC]: Make xprtsock.c:xs_setup_{udp,tcp}() static
[PFKEY]: Sending an SADB_GET responds with an SADB_GET
[IRDA]: Compilation for CONFIG_INET=n case
[IPVS]: Fix compiler warning about unused register_ip_vs_protocol
[ARP]: Fix arp reply when sender ip 0
[IPV6] TCPMD5: Fix deleting key operation.
[IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool().
[IPV4] TCPMD5: Use memmove() instead of memcpy() because we have overlaps.
[IPV4] TCPMD5: Omit redundant NULL check for kfree() argument.
ieee80211: Stop net_ratelimit/IEEE80211_DEBUG_DROP log pollution
...
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The xfrm_timer calls __xfrm_state_delete, which drops the final reference
manually without triggering destruction of the state. Change it to use
xfrm_state_put to add the state to the gc list when we're dropping the
last reference. The timer function may still continue to use the state
safely since the final destruction does a del_timer_sync().
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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if you are lucky (unlucky?) enough to have shared interrupts, the
interrupt handler can be called before the tasklet and lock are ready
for use.
Signed-off-by: chas williams <chas@cmf.nrl.navy.mil>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The #ifdef's in arp_process() were not only a mess, they were also wrong
in the CONFIG_NET_ETHERNET=n and (CONFIG_NETDEV_1000=y or
CONFIG_NETDEV_10000=y) cases.
Since they are not required this patch removes them.
Also removed are some #ifdef's around #include's that caused compile
errors after this change.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The skb_morph function only freed the data part of the dst skb, but leaked
the auxiliary data such as the netfilter fields. This patch fixes this by
moving the relevant parts from __kfree_skb to skb_release_all and calling
it in skb_morph.
It also makes kfree_skbmem static since it's no longer called anywhere else
and it now no longer does skb_release_data.
Thanks to Yasuyuki KOZAKAI for finding this problem and posting a patch for
it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The inet_ehash_locks_alloc() looks like this:
#ifdef CONFIG_NUMA
if (size > PAGE_SIZE)
x = vmalloc(...);
else
#endif
x = kmalloc(...);
Unlike it, the inet_ehash_locks_alloc() looks like this:
#ifdef CONFIG_NUMA
if (size > PAGE_SIZE)
vfree(x);
else
#else
kfree(x);
#endif
The error is obvious - if the NUMA is on and the size
is less than the PAGE_SIZE we leak the pointer (kfree is
inside the #else branch).
Compiler doesn't warn us because after the kfree(x) there's
a "x = NULL" assignment, so here's another (minor?) bug: we
don't set x to NULL under certain circumstances.
Boring explanation, I know... Patch explains it better.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The change 050f009e16f908932070313c1745d09dc69fd62b
[IPSEC]: Lock state when copying non-atomic fields to user-space
caused a regression.
Ingo Molnar reports that it causes a potential dead-lock found by the
lock validator as it tries to take x->lock within xfrm_state_lock while
numerous other sites take the locks in opposite order.
For 2.6.24, the best fix is to simply remove the added locks as that puts
us back in the same state as we've been in for years. For later kernels
a proper fix would be to reverse the locking order for every xfrm state
user such that if x->lock is taken together with xfrm_state_lock then
it is to be taken within it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The original code has striking complexity to perform a query
which can be reduced to a very simple compare.
FIN seqno may be included to write_seq but it should not make
any significant difference here compared to skb->len which was
used previously. One won't end up there with SYN still queued.
Use of write_seq check guarantees that there's a valid skb in
send_head so I removed the extra check.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: John Heffner <jheffner@psc.edu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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It seems that the checked range for receiver window check should
begin from the first rather than from the last skb that is going
to be included to the probe. And that can be achieved without
reference to skbs at all, snd_nxt and write_seq provides the
correct seqno already. Plus, it SHOULD account packets that are
necessary to trigger fast retransmit [RFC4821].
Location of snd_wnd < probe_size/size_needed check is bogus
because it will cause the other if() match as well (due to
snd_nxt >= snd_una invariant).
Removed dead obvious comment.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Your mail to 'Tlan-devel' with the subject
drivers/net/tlan question
Is being held until the list moderator can review it for approval.
The reason it is being held:
Post by non-member to a members-only list
Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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SPIN_LOCK_UNLOCKED is deprecated, use DEFINE_SPINLOCK instead
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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xs_setup_{udp,tcp}() can now become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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From: Charles Hardin <chardin@2wire.com>
Kernel needs to respond to an SADB_GET with the same message type to
conform to the RFC 2367 Section 3.1.5
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Found this occasionally.
The CONFIG_INET=n is hardly ever set, but if it is the
irlan_eth_send_gratuitous_arp() compilation should produce a
warning about unused variable in_dev.
Too pedantic? :)
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This is silly, but I have turned the CONFIG_IP_VS to m,
to check the compilation of one (recently sent) fix
and set all the CONFIG_IP_VS_PROTO_XXX options to n to
speed up the compilation.
In this configuration the compiler warns me about
CC [M] net/ipv4/ipvs/ip_vs_proto.o
net/ipv4/ipvs/ip_vs_proto.c:49: warning: 'register_ip_vs_protocol' defined but not used
Indeed. With no protocols selected there are no
calls to this function - all are compiled out with
ifdefs.
Maybe the best fix would be to surround this call with
ifdef-s or tune the Kconfig dependences, but I think that
marking this register function as __used is enough. No?
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix arp reply when received arp probe with sender ip 0.
Send arp reply with target ip address 0.0.0.0 and target hardware
address set to hardware address of requester. Previously sent reply
with target ip address and target hardware address set to same as
source fields.
Signed-off-by: Jonas Danielsson <the.sator@gmail.com>
Acked-by: Alexey Kuznetov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to the bug, refcnt for md5sig pool was leaked when
an user try to delete a key if we have more than one key.
In addition to the leakage, we returned incorrect return
result value for userspace.
This fix should close Bug #9418, reported by <ming-baini@163.com>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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if (net_ratelimit())
IEEE80211_DEBUG_DROP(...)
can pollute the logs with messages like:
printk: 1 messages suppressed.
printk: 2 messages suppressed.
printk: 7 messages suppressed.
if debugging information is disabled. These messages are printed by
net_ratelimit(). Add a wrapper to net_ratelimit() that takes into account
the log level, so that net_ratelimit() is called only when we really want
to print something.
Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When an interface with promisc/allmulti bit is taken down,
the mac80211 state can become confused. This fixes it by
making mac80211 keep track of all *active* interfaces that
have the promisc/allmulti bit set in the sdata, we sync
the interface bit into sdata at set_multicast_list() time
so this works.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I recently experienced unexplainable behaviour with the b43
driver when I had broken firmware uploaded. The cause may have
been that promisc mode was not correctly enabled or disabled
and this bug may have been the cause.
Note how the values are compared later in the function so
just doing the & will result in the wrong thing being
compared and the test being false almost always.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When connection tracking entry (nf_conn) is about to copy itself it can
have some of its extension users (like nat) as being already freed and
thus not required to be copied.
Actually looking at this function I suspect it was copied from
nf_nat_setup_info() and thus bug was introduced.
Report and testing from David <david@unsolicited.net>.
[ Patrick McHardy states:
I now understand whats happening:
- new connection is allocated without helper
- connection is REDIRECTed to localhost
- nf_nat_setup_info adds NAT extension, but doesn't initialize it yet
- nf_conntrack_alter_reply performs a helper lookup based on the
new tuple, finds the SIP helper and allocates a helper extension,
causing reallocation because of too little space
- nf_nat_move_storage is called with the uninitialized nat extension
So your fix is entirely correct, thanks a lot :) ]
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On 64-bit systems sizeof(struct ifreq) is 8 bytes larger than
sizeof(struct iwreq).
For GET calls, the wireless extension code copies back into userspace
using sizeof(struct ifreq) but userspace and elsewhere only allocates
a "struct iwreq". Thus, this copy writes past the end of the iwreq
object and corrupts whatever sits after it in memory.
Fix the copy_to_user() length.
This particularly hurts the compat case because the wireless compat
code uses compat_alloc_userspace() and right after this allocated
buffer is the current bottom of the user stack, and that's what gets
overwritten by the copy_to_user() call.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: "Sam Jansen" <sjansen@google.com>
sysctl_tcp_congestion_control seems to have a bug that prevents it
from actually calling the tcp_set_default_congestion_control
function. This is not so apparent because it does not return an error
and generally the /proc interface is used to configure the default TCP
congestion control algorithm. This is present in 2.6.18 onwards and
probably earlier, though I have not inspected 2.6.15--2.6.17.
sysctl_tcp_congestion_control calls sysctl_string and expects a successful
return code of 0. In such a case it actually sets the congestion control
algorithm with tcp_set_default_congestion_control. Otherwise, it returns the
value returned by sysctl_string. This was correct in 2.6.14, as sysctl_string
returned 0 on success. However, sysctl_string was updated to return 1 on
success around about 2.6.15 and sysctl_tcp_congestion_control was not updated.
Even though sysctl_tcp_congestion_control returns 1, do_sysctl_strategy
converts this return code to '0', so the caller never notices the error.
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the abstraction functions got added, conversion here was
made incorrectly. As a result, the skb may end up pointing
to skb which got included to the probe skb and then was freed.
For it to trigger, however, skb_transmit must fail sending as
well.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pktgen_output_ipsec() function can unlock this lock twice
due to merged error and plain paths. Remove one of the calls
to spin_unlock.
Other possible solution would be to place "return 0" right
after the first unlock, but at this place the err is known
to be 0, so these solutions are the same except for this one
makes the code shorter.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Switch the remaining IPVS sysctl entries over to to use CTL_UNNUMBERED,
I stronly doubt that anyone is using the sys_sysctl interface to
these variables.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sysctl table check failed: /net/ipv4/vs/lblc_expiration .3.5.21.19 Missing strategy
[...]
sysctl table check failed: /net/ipv4/vs/lblcr_expiration .3.5.21.20 Missing strategy
Switch these entried over to use CTL_UNNUMBERED as clearly
the sys_syscal portion wasn't working.
This is along the same lines as Christian Borntraeger's patch that fixes
up entries with no stratergy in net/ipv4/ipvs/ip_vs_ctl.c
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Running the latest git code I get the following messages during boot:
sysctl table check failed: /net/ipv4/vs/drop_entry .3.5.21.4 Missing strategy
[...]
sysctl table check failed: /net/ipv4/vs/drop_packet .3.5.21.5 Missing strategy
[...]
sysctl table check failed: /net/ipv4/vs/secure_tcp .3.5.21.6 Missing strategy
[...]
sysctl table check failed: /net/ipv4/vs/sync_threshold .3.5.21.24 Missing strategy
I removed the binary sysctl handler for those messages and also removed
the definitions in ip_vs.h. The alternative would be to implement a
proper strategy handler, but syscall sysctl is deprecated.
There are other sysctl definitions that are commented out or work with
the default sysctl_data strategy. I did not touch these.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Indeed my previous change to alloc_pskb has made it possible
for the TCP header to be misaligned iff the MTU is not a multiple
of 4 (and less than a page). So I suspect the optimised IPsec
MTU calculation is giving you just such an MTU :)
This patch fixes it by changing alloc_pskb to make sure that
the size is at least 32-bit aligned. This does not cause the
problem fixed by the previous patch because max_header is always
32-bit aligned which means that in the SG/NOTSO case this will
be a no-op.
I thought about putting this in the callers but all the current
callers are from TCP. If and when we get a non-TCP caller we
can always create a TCP wrapper for this function and move the
alignment over there.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It seems that stats of cpu 0 are counted twice, since
for_each_possible_cpu() is looping on all possible cpus, including 0
Before percpu conversion of ip_rt_acct, we should also remove the
assumption that CPU 0 is online (or even possible)
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The usb max packet size won't change during the
device's presence. We should store it in a
variable inside rt2x00dev and use that.
This should also fix a division error when the
device is being hot-unplugged while a frame is
being send out.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[CRYPTO] api: Fix potential race in crypto_remove_spawn
[CRYPTO] authenc: Move initialisations up to shut up gcc
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As it is crypto_remove_spawn may try to unregister an instance which is
yet to be registered. This patch fixes this by checking whether the
instance has been registered before attempting to remove it.
It also removes a bogus cra_destroy check in crypto_register_instance as
1) it's outside the mutex;
2) we have a check in __crypto_register_alg already.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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It seems that newer versions of gcc have regressed in their abilities to
analyse initialisations. This patch moves the initialisations up to avoid
the warnings.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* git://git.linux-nfs.org/pub/linux/nfs-2.6:
NFS: Clean up new multi-segment direct I/O changes
NFS: Ensure we return zero if applications attempt to write zero bytes
NFS: Support multiple segment iovecs in the NFS direct I/O path
NFS: Introduce iovec I/O helpers to fs/nfs/direct.c
SUNRPC: Add missing "space" to net/sunrpc/auth_gss.c
SUNRPC: make sunrpc/xprtsock.c:xs_setup_{udp,tcp}() static
NFS: fs/nfs/dir.c should #include "internal.h"
NFS: make nfs_wb_page_priority() static
NFS: mount failure causes bad page state
SUNRPC: remove NFS/RDMA client's binary sysctls
kernel BUG at fs/nfs/namespace.c:108! - can be triggered by bad server
sunrpc: rpc_pipe_poll may miss available data in some cases
sunrpc: return error if unsupported enctype or cksumtype is encountered
sunrpc: gss_pipe_downcall(), don't assume all errors are transient
NFS: Fix the ustat() regression
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Simplify calling sequence of nfs_direct_{read,write}_schedule(), and
rename them to reflect their new role.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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A zero byte count direct write request should be a successful no-op, not an
error.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Allow applications to perform asynchronous scatter-gather direct I/O
to NFS files.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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