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Implement the new swapfile a_ops for NFS and hook up ->direct_IO. This
will set the NFS socket to SOCK_MEMALLOC and run socket reconnect under
PF_MEMALLOC as well as reset SOCK_MEMALLOC before engaging the protocol
->connect() method.
PF_MEMALLOC should allow the allocation of struct socket and related
objects and the early (re)setting of SOCK_MEMALLOC should allow us to
receive the packets required for the TCP connection buildup.
[jlayton@redhat.com: Restore PF_MEMALLOC task flags in all cases]
[dfeng@redhat.com: Fix handling of multiple swap files]
[a.p.zijlstra@chello.nl: Original patch]
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric B Munson <emunson@mgebm.net>
Cc: Eric Paris <eparis@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: Neil Brown <neilb@suse.de>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This allows us to turn on/off the dprintk() debugging interfaces for
those distributions that don't ship the 'rpcdebug' utility.
It also allows us to add Kbuild dependencies. Specifically, we already
know that dprintk() in general relies on CONFIG_SYSCTL. Now it turns out
that the NFS dprintks depend on CONFIG_CRC32 after we added support
for the filehandle hash.
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Change explicit references to CONFIG_NFS_V4_1 to implicit ones
Get rid of the unnecessary defines in backchannel_rqst.c and
bc_svc.c: the Makefile takes care of those dependency.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Since kernel 2.6.35, the SUNRPC Kerberos support has had an implicit
dependency on a number of additional crypto modules. The following
patch makes that dependency explicit.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Unfortunately, spkm3 never got very far; while interoperability with one
other implementation was demonstrated at some point, problems were found
with the spec that were deemed not worth fixing.
The kernel code is useless on its own without nfs-utils patches which
were never merged into nfs-utils, and were only ever available from
citi.umich.edu. They appear not to have been updated since 2005.
Therefore it seems safe to assume that this code has no users, and never
will.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Randy Dunlap reports:
ERROR: "svc_gss_principal" [fs/nfs/nfs.ko] undefined!
because in fs/nfs/Kconfig, NFS_V4 selects RPCSEC_GSS_KRB5
and/or in fs/nfsd/Kconfig, NFSD_V4 selects RPCSEC_GSS_KRB5.
RPCSEC_GSS_KRB5 does 5 selects, but none of these is enforced/followed
by the fs/nfs[d]/Kconfig configs:
select SUNRPC_GSS
select CRYPTO
select CRYPTO_MD5
select CRYPTO_DES
select CRYPTO_CBC
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits)
trivial: Update my email address
trivial: NULL noise: drivers/mtd/tests/mtd_*test.c
trivial: NULL noise: drivers/media/dvb/frontends/drx397xD_fw.h
trivial: Fix misspelling of "Celsius".
trivial: remove unused variable 'path' in alloc_file()
trivial: fix a pdlfush -> pdflush typo in comment
trivial: jbd header comment typo fix for JBD_PARANOID_IOFAIL
trivial: wusb: Storage class should be before const qualifier
trivial: drivers/char/bsr.c: Storage class should be before const qualifier
trivial: h8300: Storage class should be before const qualifier
trivial: fix where cgroup documentation is not correctly referred to
trivial: Give the right path in Documentation example
trivial: MTD: remove EOL from MODULE_DESCRIPTION
trivial: Fix typo in bio_split()'s documentation
trivial: PWM: fix of #endif comment
trivial: fix typos/grammar errors in Kconfig texts
trivial: Fix misspelling of firmware
trivial: cgroups: documentation typo and spelling corrections
trivial: Update contact info for Jochen Hein
trivial: fix typo "resgister" -> "register"
...
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Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We just augmented the kernel's RPC service registration code so that
it automatically adjusts to what is supported in user space. Thus we
no longer need the kernel configuration option to enable registering
RPC services with v4 -- it's all done automatically.
This patch is part of a series that addresses
http://bugzilla.kernel.org/show_bug.cgi?id=12256
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Fix sunrpc/rdma build dependencies.
Survives 12 build combinations of INET, IPV6, SUNRPC,
INFINIBAND, and INFINIBAND_ADDR_TRANS.
ERROR: "rdma_destroy_id" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_connect" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_destroy_qp" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_create_id" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_create_qp" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_resolve_route" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_disconnect" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_resolve_addr" [net/sunrpc/xprtrdma/xprtrdma.ko] undefined!
ERROR: "rdma_accept" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_destroy_id" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_listen" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_create_id" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_create_qp" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_bind_addr" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
ERROR: "rdma_disconnect" [net/sunrpc/xprtrdma/svcrdma.ko] undefined!
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We forgot to update this when adding server-side support.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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