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adb58535e6
linux/fs/nfs
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Boaz Harrosh adb58535e6 pnfs-obj: report errors and .encode_layoutreturn Implementation. 
An io_state pre-allocates an error information structure for each
possible osd-device that might error during IO. When IO is done if all
was well the io_state is freed. (as today). If the I/O has ended with an
error, the io_state is queued on a per-layout err_list. When eventually
encode_layoutreturn() is called, each error is properly encoded on the
XDR buffer and only then the io_state is removed from err_list and
de-allocated.

It is up to the io_engine to fill in the segment that fault and the type
of osd_error that occurred. By calling objlayout_io_set_result() for
each failing device.

In objio_osd:
* Allocate io-error descriptors space as part of io_state
* Use generic objlayout error reporting at end of io.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29 20:54:45 +03:00
..
objlayout pnfs-obj: report errors and .encode_layoutreturn Implementation. 2011-05-29 20:54:45 +03:00
cache_lib.c
cache_lib.h
callback_proc.c pnfs: Use byte-range for cb_layoutrecall 2011-05-29 20:52:34 +03:00
callback_xdr.c pnfs: CB_NOTIFY_DEVICEID 2011-05-29 20:52:31 +03:00
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
client.c NFSv4.1: purge deviceid cache on nfs_free_client 2011-05-29 20:50:42 +03:00
delegation.c NFS: Fix an NFS client lockdep issue 2011-01-28 13:37:09 -05:00
delegation.h NFS: Move cl_delegations to the nfs_server struct 2011-01-06 14:57:46 -05:00
dir.c SUNRPC: introduce xdr_init_decode_pages 2011-05-29 20:52:32 +03:00
direct.c NFS: account direct-io into task io accounting 2011-03-11 15:39:27 -05:00
dns_resolve.c
dns_resolve.h
file.c Fix common misspellings 2011-03-31 11:26:23 -03:00
fscache-index.c
fscache.c
fscache.h
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 pnfs: layoutreturn 2011-05-29 20:54:36 +03:00
internal.h pnfs: support for non-rpc layout drivers 2011-05-29 20:53:51 +03:00
iostat.h
Kconfig pnfs-obj: objlayoutdriver module skeleton 2011-05-29 20:52:35 +03:00
Makefile pnfs-obj: objlayoutdriver module skeleton 2011-05-29 20:52:35 +03:00
mount_clnt.c NFS: Remove redundant unlikely() 2010-12-21 11:51:23 -05:00
namespace.c NFS: Remove unused argument from nfs_find_best_sec() 2011-04-12 19:34:23 -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 NFSv4.1: Don't loop forever in nfs4_proc_create_session 2011-04-24 14:28:18 -04:00
nfs4filelayout.c SUNRPC: introduce xdr_init_decode_pages 2011-05-29 20:52:32 +03:00
nfs4filelayout.h NFSv4.1: purge deviceid cache on nfs_free_client 2011-05-29 20:50:42 +03:00
nfs4filelayoutdev.c SUNRPC: introduce xdr_init_decode_pages 2011-05-29 20:52:32 +03:00
nfs4namespace.c nfs: nfs_do_{ref,sub}mount() superblock argument is redundant 2011-03-16 16:48:06 -04:00
nfs4proc.c pnfs: layoutret_on_setattr 2011-05-29 20:54:36 +03:00
nfs4renewd.c NFSv4.1: new flag for state renewal check 2011-03-11 15:38:41 -05:00
nfs4state.c NFSv4: Ensure that clientid and session establishment can time out 2011-04-24 14:29:33 -04:00
nfs4xdr.c pnfs: encode_layoutreturn 2011-05-29 20:54:37 +03:00
nfsroot.c NFS: NFSROOT should default to "proto=udp" 2011-03-11 15:38:07 -05:00
pagelist.c NFS: Fix a hang in the writeback path 2011-03-27 17:48:07 +02:00
pnfs_dev.c NFSv4.1: use layout driver in global device cache 2011-05-29 20:52:31 +03:00
pnfs.c pnfs: layoutreturn 2011-05-29 20:54:36 +03:00
pnfs.h pnfs: encode_layoutreturn 2011-05-29 20:54:37 +03:00
proc.c NFS: lookup supports alternate client 2011-03-24 13:52:41 -04:00
read.c pnfs: Use byte-range for layoutget 2011-05-29 20:52:32 +03:00
super.c pnfs: client stats 2011-05-29 20:52:34 +03:00
symlink.c
sysctl.c NFS: new idmapper 2010-10-07 18:48:49 -04:00
unlink.c nfs: store devname at disconnected NFS roots 2011-03-16 16:44:24 -04:00
write.c pnfs: Use byte-range for layoutget 2011-05-29 20:52:32 +03:00