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linux-hardened/fs/nfs
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Fred Isaman cd841605f7 NFS: create common nfs_pgio_header for both read and write 
In order to avoid duplicating all the data in nfs_read_data whenever we
split it up into multiple RPC calls (either due to a short read result
or due to rsize < PAGE_SIZE), we split out the bits that are the same
per RPC call into a separate "header" structure.

The goal this patch moves towards is to have a single header
refcounted by several rpc_data structures.  Thus, want to always refer
from rpc_data to the header, and not the other way.  This patch comes
close to that ideal, but the directio code currently needs some
special casing, isolated in the nfs_direct_[read_write]hdr_release()
functions.  This will be dealt with in a future patch.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-04-27 14:10:37 -04:00
..
blocklayout NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
objlayout NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
cache_lib.c NFS: remove RPC PipeFS mount point references from NFS cache routines 2012-01-31 18:20:26 -05:00
cache_lib.h NFS: DNS resolver PipeFS notifier introduced 2012-01-31 18:20:26 -05:00
callback.c NFS: Fix a number of sparse warnings 2012-03-11 15:14:16 -04:00
callback.h NFSv4.1: Convert slotid from u8 to u32 2012-02-15 00:19:43 -05:00
callback_proc.c NFSv4: Further clean-ups of delegation stateid validation 2012-03-06 10:32:44 -05:00
callback_xdr.c NFSv4: Rate limit the state manager warning messages 2012-03-12 18:15:22 -04:00
client.c NFS: Honor the authflavor set in the clone mount data 2012-04-27 14:10:03 -04:00
delegation.c NFS: Fix a number of sparse warnings 2012-03-11 15:14:16 -04:00
delegation.h NFSv4.0: Re-establish the callback channel on NFS4ERR_CB_PATHDOWN 2012-03-10 11:54:36 -05:00
dir.c NFSv4: Fix open(O_TRUNC) and ftruncate() error handling 2012-04-19 13:23:09 -04:00
direct.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
dns_resolve.c NFS: Fix a number of sparse warnings 2012-03-11 15:14:16 -04:00
dns_resolve.h NFS: DNS resolver cache per network namespace context introduced 2012-01-31 18:20:26 -05:00
file.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
fscache-index.c NFS: Use the inode->i_version to cache NFSv4 change attribute information 2011-10-18 09:14:34 -07:00
fscache.c NFS: Fix more NFS debug related build warnings 2012-03-21 09:31:44 -04:00
fscache.h
getroot.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
idmap.c NFS client updates for Linux 3.4 2012-03-23 08:53:47 -07:00
inode.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
internal.h NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
Kconfig SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
Makefile pnfsblock: add blocklayout Kconfig option, Makefile, and stubs 2011-07-31 12:18:15 -04:00
mount_clnt.c SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
namespace.c NFS: Remove unused function nfs_lookup_with_sec() 2012-04-27 14:10:03 -04:00
netns.h NFS: replace global bl_wq with per-net one 2012-03-11 10:57:35 -04:00
nfs2xdr.c SUNRPC: constify the rpc_program 2012-01-31 19:28:20 -05:00
nfs3acl.c NFS: Fix a number of sparse warnings 2012-03-11 15:14:16 -04:00
nfs3proc.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
nfs3xdr.c NFS: add a struct nfs_commit_data to replace nfs_write_data in commits 2012-04-27 14:10:37 -04:00
nfs4_fs.h NFS: Fix following referral mount points with different security 2012-04-27 14:10:02 -04:00
nfs4filelayout.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
nfs4filelayout.h NFS4.1: Add lseg to struct nfs4_fl_commit_bucket 2012-04-27 14:10:36 -04:00
nfs4filelayoutdev.c NFSv4.1 fix page number calculation bug for filelayout decode buffers 2012-04-26 12:23:23 -04:00
nfs4namespace.c NFS: Fix following referral mount points with different security 2012-04-27 14:10:02 -04:00
nfs4proc.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
nfs4renewd.c NFSv4: The NFSv4.0 client must send RENEW calls if it holds a delegation 2011-08-24 15:07:37 -04:00
nfs4state.c NFSv4: Keep dropped state owners on the LRU list for a while 2012-04-21 13:01:00 -04:00
nfs4xdr.c NFS: add a struct nfs_commit_data to replace nfs_write_data in commits 2012-04-27 14:10:37 -04:00
nfsroot.c SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
pagelist.c NFS: remove nfs_inode radix tree 2012-03-10 17:14:10 -05:00
pnfs.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
pnfs.h NFS: Fix more NFS debug related build warnings 2012-03-21 09:31:44 -04:00
pnfs_dev.c NFS: Fix more NFS debug related build warnings 2012-03-21 09:31:44 -04:00
proc.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
read.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00
super.c NFS: Honor the authflavor set in the clone mount data 2012-04-27 14:10:03 -04:00
symlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sysctl.c NFS: Fall back on old idmapper if request_key() fails 2012-02-06 18:48:01 -05:00
unlink.c NFS: Remove nfs4_setup_sequence from generic rename code 2012-03-21 09:31:46 -04:00
write.c NFS: create common nfs_pgio_header for both read and write 2012-04-27 14:10:37 -04:00