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path: root/net/sunrpc/xprtsock.c
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2007-10-09SUNRPC: create connect workers for IPv6Chuck Lever
Clone separate connect worker functions for connecting AF_INET6 sockets. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Rename IPv4 connect workersChuck Lever
Prepare for introduction of IPv6 versions of same. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Refactor a part of socket connect logic into a helper functionChuck Lever
Finishing a socket connect is the same for IPv4 and IPv6, so split it out into a helper. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: create an IPv6-savvy mechanism for binding to a reserved portChuck Lever
Clone xs_bindresvport into two functions, one that can handle IPv4 addresses, and one that can handle IPv6 addresses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Rename xs_bind() to prepare for IPv6-specific bind methodChuck Lever
Prepare for introduction of IPv6-specific socket bind function. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Introduce support for setting the port number in IPv6 addressesChuck Lever
We could clone xs_set_port, but this is easier overall. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: add a function to format IPv6 addressesChuck Lever
Clone xs_format_ipv4_peer_addresses into an IPv6 version. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Rename xs_format_peer_addressesChuck Lever
Prepare to add an IPv6 version of xs_format_peer_addresses by renaming it to xs_format_ipv4_peer_addresses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Add hex-formatted address support to rpc_peeraddr2str()Chuck Lever
Add support for the NFS client's need to export volume information with IP addresses formatted in hex instead of decimal. This isn't used yet, but subsequent patches (not in this series) will change the NFS client to use this functionality. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Free address buffers in a loopChuck Lever
Use more generic logic to free buffers holding formatted addresses. This makes it less likely a bug will be introduced when adding additional buffer types in xs_format_peer_address(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Use standard macros for printing IP addressesChuck Lever
include/linux/kernel.h gives us some nice macros for formatting IP addresses. Use them. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-10-09SUNRPC: Fix a signed v. unsigned comparison in net/sunrpc/xprtsock.cChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC client: add interface for binding to a local addressFrank van Maarseveen
In addition to binding to a local privileged port the NFS client should allow binding to a specific local address. This is used by the server for callbacks. The patch adds the necessary interface. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: cleanup transport creation argument passingFrank van Maarseveen
Cleanup argument passing to functions for creating an RPC transport. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Rename rpcb_getport to be consistent with new rpcb_getport_sync nameChuck Lever
Clean up, for consistency. Rename rpcb_getport as rpcb_getport_async, to match the naming scheme of rpcb_getport_sync. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: fix hang due to eventd deadlock...Trond Myklebust
Brian Behlendorf writes: The root cause of the NFS hang we were observing appears to be a rare deadlock between the kernel provided usermodehelper API and the linux NFS client. The deadlock can arise because both of these services use the generic linux work queues. The usermodehelper API run the specified user application in the context of the work queue. And NFS submits both cleanup and reconnect work to the generic work queue for handling. Normally this is fine but a deadlock can result in the following situation. - NFS client is in a disconnected state - [events/0] runs a usermodehelper app with an NFS dependent operation, this triggers an NFS reconnect. - NFS reconnect happens to be submitted to [events/0] work queue. - Deadlock, the [events/0] work queue will never process the reconnect because it is blocked on the previous NFS dependent operation which will not complete.` The solution is simply to run reconnect requests on rpciod. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-04-30SUNRPC: switch socket-based RPC transports to use rpcbindChuck Lever
Now that we have a version of the portmapper that supports versions 3 and 4 of the rpcbind protocol, use it for new RPC client connections over sockets. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-02-14[PATCH] sysctl: remove insert_at_head from register_sysctlEric W. Biederman
The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14[PATCH] sysctl: sunrpc: don't unnecessarily set ctl_table->deEric W. Biederman
We don't need this to prevent module unload races so remove the unnecessary code. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14[PATCH] sysctl: sunrpc: remove unnecessary insert_at_head flagEric W. Biederman
Because the sunrpc sysctls don't conflict with any other sysctls the setting the insert at head flag to register_sysctl has no semantic meaning. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14[PATCH] remove many unneeded #includes of sched.hTim Schmielau
After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03SUNRPC: fix print format for tk_pidChuck Lever
The tk_pid field is an unsigned short. The proper print format specifier for that type is %5u, not %4d. Also clean up some miscellaneous print formatting nits. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-07Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linusTrond Myklebust
2006-12-07Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linusTrond Myklebust
Conflicts: include/linux/sunrpc/xprt.h net/sunrpc/xprtsock.c Fix up conflicts with the workqueue changes.
2006-12-07[PATCH] lockdep: annotate nfs/nfsd in-kernel socketsPeter Zijlstra
Stick NFS sockets in their own class to avoid some lockdep warnings. NFS sockets are never exposed to user-space, and will hence not trigger certain code paths that would otherwise pose deadlock scenarios. [akpm@osdl.org: cleanups] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Steven Dickson <SteveD@redhat.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> [ Fixed patch corruption by quilt, pointed out by Peter Zijlstra ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-06SUNRPC: relocate the creation of socket-specific tunablesChuck Lever
Clean-up: The RPC client currently creates some sysctls that are specific to the socket transport. Move those entirely into xprtsock.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: create stubs for xprtsock init and cleanupChuck Lever
Over time we will want to add some specific init and cleanup logic for the xprtsock implementation. Add stub routines for initialization and exit processing. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Rename skb_reader_t and friendsChuck Lever
Clean-up: hch suggested that the RPC client shouldn't pollute the name space used by the generic skb manipulation routines in net/core/skbuff.c. Rename a couple of types in xdr.h to adhere to this convention. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: skb_read_bits is the same as xs_tcp_copy_dataChuck Lever
Clean-up: eliminate xs_tcp_copy_data -- it's exactly the same logic as the common routine skb_read_bits. The UDP and TCP socket read code now share the same routine for copying data into an xdr_buf. Now that skb_read_bits() is exported, rename it to avoid confusing it with a generic skb_* function. As these functions are XDR-specific, they should not have names that suggest they are of generic use. Also rename skb_read_and_csum_bits() to be consistent. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Make address format buffers more genericChuck Lever
For now we will assume that all transports will use the address format buffers in the rpc_xprt struct to store their addresses. Change rpc_peer2str() to be a generic routine to handle this, and get rid of the print_address() op in the rpc_xprt_ops vector. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: move saved socket callback functions to a private data structureChuck Lever
Move the three fields for saving socket callback functions out of the rpc_xprt structure and into a private data structure maintained in net/sunrpc/xprtsock.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Move the UDP socket bufsize parameters to a private data structureChuck Lever
Move the socket-specific buffer size parameters for UDP sockets to a private data structure maintained in net/sunrpc/xprtsock.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Move rpc_xprt socket connect fields into private data structureChuck Lever
Move the socket-specific connection management fields out of the generic rpc_xprt structure into a private data structure maintained in net/sunrpc/xprtsock.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Move TCP state flags into xprtsock.cChuck Lever
Move "XPRT_LAST_FRAG" and friends from xprt.h into xprtsock.c, and rename them to use the naming scheme in use in xprtsock.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Move TCP receive state variables into private data structureChuck Lever
Move the TCP receive state variables from the generic rpc_xprt structure to a private structure maintained inside net/sunrpc/xprtsock.c. Also rename a function/variable pair to refer to RPC fragment headers instead of record markers, to be consistent with types defined in sunrpc/*.h. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Remove sock and inet fields from rpc_xprtChuck Lever
The "sock" and "inet" fields are socket-specific. Move them to a private data structure maintained entirely within net/sunrpc/xprtsock.c Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Allocate a private data area for socket-specific rpc_xprt fieldsChuck Lever
When setting up a new transport instance, allocate enough memory for an rpc_xprt and a private area. As part of the same memory allocation, it will be easy to find one, given a pointer to the other. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Make the transport-specific setup routine allocate rpc_xprtChuck Lever
Change the location where the rpc_xprt structure is allocated so each transport implementation can allocate a private area from the same chunk of memory. Note also that xprt->ops->destroy, rather than xprt_destroy, is now responsible for freeing rpc_xprt when the transport is destroyed. Test plan: Connectathon. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-12-06SUNRPC: Clean up xs_send_pages()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-11-22WorkStruct: Pass the work_struct pointer instead of context dataDavid Howells
Pass the work_struct pointer to the work function rather than context data. The work function can use container_of() to work out the data. For the cases where the container of the work_struct may go away the moment the pending bit is cleared, it is made possible to defer the release of the structure by deferring the clearing of the pending bit. To make this work, an extra flag is introduced into the management side of the work_struct. This governs auto-release of the structure upon execution. Ordinarily, the work queue executor would release the work_struct for further scheduling or deallocation by clearing the pending bit prior to jumping to the work function. This means that, unless the driver makes some guarantee itself that the work_struct won't go away, the work function may not access anything else in the work_struct or its container lest they be deallocated.. This is a problem if the auxiliary data is taken away (as done by the last patch). However, if the pending bit is *not* cleared before jumping to the work function, then the work function *may* access the work_struct and its container with no problems. But then the work function must itself release the work_struct by calling work_release(). In most cases, automatic release is fine, so this is the default. Special initiators exist for the non-auto-release case (ending in _NAR). Signed-Off-By: David Howells <dhowells@redhat.com>
2006-11-22WorkStruct: Separate delayable and non-delayable events.David Howells
Separate delayable work items from non-delayable work items be splitting them into a separate structure (delayed_work), which incorporates a work_struct and the timer_list removed from work_struct. The work_struct struct is huge, and this limits it's usefulness. On a 64-bit architecture it's nearly 100 bytes in size. This reduces that by half for the non-delayable type of event. Signed-Off-By: David Howells <dhowells@redhat.com>
2006-10-20[PATCH] SUNRPC: fix a typoChuck Lever
Yes, this actually passed tests the way it was. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-28[SUNRPC]: trivial endianness annotationsAlexey Dobriyan
pure s/u32/__be32/ [AV: large part based on Alexey's patches] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-23Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/pub/linux/nfs-2.6: (74 commits) NFS: unmark NFS direct I/O as experimental NFS: add comments clarifying the use of nfs_post_op_update() NFSv4: rpc_mkpipe creating socket inodes w/out sk buffers NFS: Use SEEK_END instead of hardcoded value NFSv4: When mounting with a port=0 argument, substitute port=2049 NFSv4: Poll more aggressively when handling NFS4ERR_DELAY NFSv4: Handle the condition NFS4ERR_FILE_OPEN NFSv4: Retry lease recovery if it failed during a synchronous operation. NFS: Don't invalidate the symlink we just stuffed into the cache NFS: Make read() return an ESTALE if the file has been deleted NFSv4: It's perfectly legal for clp to be NULL here.... NFS: nfs_lookup - don't hash dentry when optimising away the lookup SUNRPC: Fix Oops in pmap_getport_done SUNRPC: Add refcounting to the struct rpc_xprt SUNRPC: Clean up soft task error handling SUNRPC: Handle ENETUNREACH, EHOSTUNREACH and EHOSTDOWN socket errors SUNRPC: rpc_delay() should not clobber the rpc_task->tk_status Fix a referral error Oops NFS: NFS_ROOT should use the new rpc_create API NFS: Fix up compiler warnings on 64-bit platforms in client.c ... Manually resolved conflict in net/sunrpc/xprtsock.c
2006-09-22SUNRPC: Eliminate xprt_create_proto and rpc_create_clientChuck Lever
The two function call API for creating a new RPC client is now obsolete. Remove it. Also, remove an unnecessary check to see whether the caller is capable of using privileged network services. The kernel RPC client always uses a privileged ephemeral port by default; callers are responsible for checking the authority of users to make use of any RPC service, or for specifying that a nonprivileged port is acceptable. Test plan: Repeated runs of Connectathon locking suite. Check network trace to ensure correctness of NLM requests and replies. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-09-22SUNRPC: Use "sockaddr_storage" for storing RPC client's remote peer addressChuck Lever
IPv6 addresses are big (128 bytes). Now that no RPC client consumers treat the addr field in rpc_xprt structs as an opaque, and access it only via the API calls, we can safely widen the field in the rpc_xprt struct to accomodate larger addresses. Test plan: Compile kernel with CONFIG_NFS enabled. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-09-22SUNRPC: add xprt switch API for printing formatted remote peer addressesChuck Lever
Add a new method to the transport switch API to provide a way to convert the opaque contents of xprt->addr to a human-readable string. Test plan: Compile kernel with CONFIG_NFS enabled. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-09-22SUNRPC: Introduce transport switch callout for pluggable rpcbindChuck Lever
Introduce a clean transport switch API for plugging in different types of rpcbind mechanisms. For instance, rpcbind can cleanly replace the existing portmapper client, or a transport can choose to implement RPC binding any way it likes. 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 <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-09-22SUNRPC: Create a helper to tell whether a transport is boundChuck Lever
Hide the contents and format of xprt->addr by eliminating direct uses of the xprt->addr.sin_port field. This change is required to support alternate RPC host address formats (eg IPv6). Test-plan: Destructive testing (unplugging the network temporarily). Repeated runs of Connectathon locking suite with UDP and TCP. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-09-22[SUNRPC]: Remove the unnecessary check for highmem in xs_sendpages().Sridhar Samudrala
Just call kernel_sendpage() directly. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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