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Support direct requests that span multiple pnfs data servers by
comparing nfs_pgio_header->verf to a cached verf in pnfs_commit_bucket.
Continue to use dreq->verf if the MDS is used / non-pNFS.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
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v2:
1) "Over-put" of PipeFS mount point fixed. Fix is ugly, but allows to bisect
the patch set. And it will be removed later in the series.
This patch makes RPC clients PipeFs dentries allocations in it's owner network
namespace context.
RPC client pipefs dentries creation logic has been changed:
1) Pipefs dentries creation by sb was moved to separated function, which will
be used for handling PipeFS mount notification.
2) Initial value of RPC client PipeFS dir dentry is set no NULL now.
RPC client pipefs dentries cleanup logic has been changed:
1) Cleanup is done now in separated rpc_remove_pipedir() function, which takes
care about pipefs superblock locking.
Also this patch removes slashes from cb_program.pipe_dir_name and from
NFS_PIPE_DIRNAME to make rpc_d_lookup_sb() work. This doesn't affect
vfs_path_lookup() results in nfs4blocklayout_init() since this slash is cutted
off anyway in link_path_walk().
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
[upcall bugfixes]
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Clean up: Relocate MNT program procedure number definitions to the
only file that uses them. Relocate the version number definitions,
which are shared, to nfs.h. Remove duplicate program number
definitions.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Define all error code present in
http://tools.ietf.org/html/draft-ietf-nfsv4-minorversion1-29.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: clean up error code definitions]
[nfsd41: change NFSERR_REPLAY_ME]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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file handle container, there is no longer any need to clear the
file handle container before copying in a file handle. This
allows us to remove a 128 byte memset() from several hot paths.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@fys.uio.no>
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store 128 bytes, usually NFS servers don't use file handles that
are more than 32 bytes in size. This patch creates an efficient
mechanism for comparing file handles that ignores the unused bytes
in a file handle.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@fys.uio.no>
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From: NeilBrown <neilb@cse.unsw.edu.au>
changes nfserr_readdir_nospc to nfserr_toosmall, following rfc3530 which has
no nfserr_readdir_nospc.
error 10030 which was nfserr_readdir_nospc is actually nfserr_restorefh.
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From: "William A.(Andy) Adamson" <andros@citi.umich.edu>
this patch adds share state processing to nfsd4_read().
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From: "William A.(Andy) Adamson" <andros@citi.umich.edu>
this open share state patch creates all the structures and hash tables needed
to create and destroy share state on OPEN.
a struct nfs4_stateowner is introduced. this is currently only used for share
state, but will also be used as an anchor for byte-range lock state. e.g. it
will be either an (open)stateowner or a (lock)stateower.
a struct nfs4_stateid is introduced with holds stateid info for openfiles per
(open)stateowner. this struct will also hold byte-range lock info for
(lock)stateowners.
ownerstr_hashtbl[] holds nfs4_stateowners hashed by the nfs4_open owner and
clientid, and is used to lookup nfs4_stateowners on OPEN.
a struct nfs4_file is introduced which holds info on open files with state.
file_hashtbl[] holds nfs4_files, and is used to find a file in order to search
for conflicting share locks on OPEN. delegation info will hang off the
nf4_file struct.
i moved nfsd4_process_open1() into nfs4state.c, and added nfs4_process_open2()
there as well
i've left lease management, state reclaim, and the special replay management
on sequenceid mutating operations like OPEN for subsequent patches.
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Define the new NFSv4 data structure for passing user information
from the 'mount' program in nfs4_mount.h.
If CONFIG_NFS_V4 is defined
Add code to parse the mount structure into the superblock.
Declare the NFSv4 filesystem to the VFS.
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This patch adds new NFSv4-only error codes to include/linux/nfs.h,
and also indicates which of the old error codes still exist in NFSv4.
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