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linux/fs/nfs
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Fred Isaman 9549ec01b0 pnfsblock: bl_read_pagelist 
Note: When upper layer's read/write request cannot be fulfilled, the block
layout driver shouldn't silently mark the page as error. It should do
what can be done and  leave the rest to the upper layer. To do so, we
should set rdata/wdata->res.count properly.

When upper layer re-send the read/write request to finish the rest
part of the request, pgbase is the position where we should start at.

[pnfsblock: mark IO error with NFS_LAYOUT_{RW|RO}_FAILED]
Signed-off-by: Peng Tao <peng_tao@emc.com>
[pnfsblock: read path error handling]
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
[pnfsblock: handle errors when read or write pagelist.]
Signed-off-by: Zhang Jingwang <yyalone@gmail.com>
[pnfs-block: use new read_pagelist api]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-31 12:18:17 -04:00
..
blocklayout pnfsblock: bl_read_pagelist 2011-07-31 12:18:17 -04:00
objlayout pnfs: simplify pnfs files module autoloading 2011-07-15 19:21:58 -04:00
cache_lib.c switch vfs_path_lookup() to struct path 2011-07-20 01:44:14 -04:00
cache_lib.h NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
callback.c NFS do not find client in NFSv4 pg_authenticate 2011-01-25 15:26:51 -05:00
callback.h pnfs: CB_NOTIFY_DEVICEID 2011-05-29 20:52:31 +03:00
callback_proc.c NFS: move pnfs layouts to nfs_server structure 2011-07-12 13:40:27 -04:00
callback_xdr.c pnfs: CB_NOTIFY_DEVICEID 2011-05-29 20:52:31 +03:00
client.c pnfsblock: add device operations 2011-07-31 12:18:16 -04:00
delegation.c NFSv4: Don't use the delegation->inode in nfs_mark_return_delegation() 2011-07-25 15:37:29 -04:00
delegation.h NFS: Move cl_delegations to the nfs_server struct 2011-01-06 14:57:46 -05:00
dir.c Additional readdir cookie loop information 2011-07-30 14:37:14 -04:00
direct.c nfs_open_context doesn't need struct path either 2011-07-20 01:43:44 -04:00
dns_resolve.c sunrpc: use seconds since boot in expiry cache 2010-09-07 19:21:20 -04:00
dns_resolve.h NFS: Use kernel DNS resolver [ver #2] 2010-08-11 17:11:28 +00:00
file.c fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers 2011-07-20 20:47:59 -04:00
fscache-index.c NFS: Add read context retention for FS-Cache to call back with 2009-04-03 16:42:44 +01:00
fscache.c FS-Cache: Add a helper to bulk uncache pages on an inode 2011-07-07 13:21:56 -07:00
fscache.h NFS: Propagate 'fsc' mount option through automounts 2009-09-23 14:36:39 -04:00
getroot.c Merge branch 'nfs-for-2.6.39' into nfs-for-next 2011-03-24 17:03:14 -04:00
idmap.c NFSv4: Send unmapped uid/gids to the server when using auth_sys 2011-03-11 15:39:27 -05:00
inode.c nfs_open_context doesn't need struct path either 2011-07-20 01:43:44 -04:00
internal.h NFS: Clean up - simplify the switch to read/write-through-MDS 2011-07-15 09:12:22 -04:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
Kconfig pnfsblock: add blocklayout Kconfig option, Makefile, and stubs 2011-07-31 12:18:15 -04:00
Makefile pnfsblock: add blocklayout Kconfig option, Makefile, and stubs 2011-07-31 12:18:15 -04:00
mount_clnt.c NFS: Remove redundant unlikely() 2010-12-21 11:51:23 -05:00
namespace.c NFS: Add SECINFO_NO_NAME procedure 2011-07-12 13:40:27 -04:00
nfs2xdr.c Merge branch 'bugfixes' into nfs-for-2.6.38 2011-01-10 14:48:02 -05:00
nfs3acl.c NFS: Prevent memory allocation failure in nfsacl_encode() 2011-01-25 15:24:47 -05:00
nfs3proc.c NFS: lookup supports alternate client 2011-03-24 13:52:41 -04:00
nfs3xdr.c NFS: Fix "kernel BUG at fs/nfs/nfs3xdr.c:1338!" 2011-01-25 15:24:47 -05:00
nfs4_fs.h pnfs: ask for layout_blksize and save it in nfs_server 2011-07-31 12:18:15 -04:00
nfs4filelayout.c pnfs: save layoutcommit lwb at layout header 2011-07-31 12:18:14 -04:00
nfs4filelayout.h NFSv4.1: do not use deviceids after MDS clientid invalidation 2011-07-12 13:40:29 -04:00
nfs4filelayoutdev.c NFS: fix comment 2011-07-12 13:40:27 -04:00
nfs4namespace.c nfs: nfs_do_{ref,sub}mount() superblock argument is redundant 2011-03-16 16:48:06 -04:00
nfs4proc.c pnfs: cleanup_layoutcommit 2011-07-31 12:18:15 -04:00
nfs4renewd.c NFSv4.1: new flag for state renewal check 2011-03-11 15:38:41 -05:00
nfs4state.c Merge branch 'master' into devel and apply fixup from Stephen Rothwell: 2011-07-25 14:53:52 -04:00
nfs4xdr.c pnfs: cleanup_layoutcommit 2011-07-31 12:18:15 -04:00
nfsroot.c NFS: Revert NFSROOT default mount options 2011-05-27 17:42:47 -04:00
pagelist.c Merge branch 'master' into devel and apply fixup from Stephen Rothwell: 2011-07-25 14:53:52 -04:00
pnfs.c pnfs: cleanup_layoutcommit 2011-07-31 12:18:15 -04:00
pnfs.h pnfsblock: call and parse getdevicelist 2011-07-31 12:18:16 -04:00
pnfs_dev.c NFSv4.1: do not use deviceids after MDS clientid invalidation 2011-07-12 13:40:29 -04:00
proc.c NFS: lookup supports alternate client 2011-03-24 13:52:41 -04:00
read.c Merge branch 'master' into devel and apply fixup from Stephen Rothwell: 2011-07-25 14:53:52 -04:00
super.c switch vfs_path_lookup() to struct path 2011-07-20 01:44:14 -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: new idmapper 2010-10-07 18:48:49 -04:00
unlink.c nfs: don't use d_move in nfs_async_rename_done 2011-07-25 15:00:21 -04:00
write.c Merge branch 'master' into devel and apply fixup from Stephen Rothwell: 2011-07-25 14:53:52 -04:00