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624322f1ad
linux-next/fs/nfsd
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Olga Kornievskaia 624322f1ad NFSD add COPY_NOTIFY operation 
Introducing the COPY_NOTIFY operation.

Create a new unique stateid that will keep track of the copy
state and the upcoming READs that will use that stateid.
Each associated parent stateid has a list of copy
notify stateids. A copy notify structure makes a copy of
the parent stateid and a clientid and will use it to look
up the parent stateid during the READ request (suggested
by Trond Myklebust <trond.myklebust@hammerspace.com>).

At nfs4_put_stid() time, we walk the list of the associated
copy notify stateids and delete them.

Laundromat thread will traverse globally stored copy notify
stateid in idr and notice if any haven't been referenced in the
lease period, if so, it'll remove them.

Return single netaddr to advertise to the copy.

Suggested-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
2019-12-09 11:42:14 -05:00
..
acl.h nfsd: eliminate an unnecessary acl size limit 2019-08-28 21:13:45 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c nfsd: convert fi_deleg_file and ls_file fields to nfsd_file 2019-08-19 11:09:09 -04:00
blocklayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd4: drc containerization 2019-07-03 17:52:08 -04:00
current_stateid.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
export.c nfsd: nfsd_file cache entries should be per net namespace 2019-09-10 09:23:41 -04:00
export.h knfsd: Allow lockless lookups of the exports 2018-10-29 16:58:04 -04:00
fault_inject.c nfsd: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
filecache.c nfsd: Drop LIST_HEAD where the variable it declares is never used. 2019-11-08 12:32:59 -05:00
filecache.h nfsd: nfsd_file cache entries should be per net namespace 2019-09-10 09:23:41 -04:00
flexfilelayout.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
Kconfig nfsd: depend on CRYPTO_MD5 for legacy client tracking 2019-12-07 11:28:52 -05:00
lockd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -04:00
netns.h nfsd: Support the server resetting the boot verifier 2019-09-10 09:23:41 -04:00
nfs2acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3proc.c nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
nfs3xdr.c new helper: lookup_positive_unlocked() 2019-11-15 13:49:04 -05:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-06-24 12:11:52 -04:00
nfs4callback.c nfsd: document callback_wq serialization of callback code 2019-11-08 12:32:59 -05:00
nfs4idmap.c nfsd: Fix misuse of strlcpy 2019-07-08 23:16:11 -04:00
nfs4layouts.c nfsd: convert fi_deleg_file and ls_file fields to nfsd_file 2019-08-19 11:09:09 -04:00
nfs4proc.c NFSD add COPY_NOTIFY operation 2019-12-09 11:42:14 -05:00
nfs4recover.c nfsd: Fix cld_net->cn_tfm initialization 2019-11-12 14:53:26 -05:00
nfs4state.c NFSD add COPY_NOTIFY operation 2019-12-09 11:42:14 -05:00
nfs4xdr.c NFSD COPY_NOTIFY xdr 2019-12-09 11:42:14 -05:00
nfscache.c nfsd4: Fix kernel crash when reading proc file reply_cache_stats 2019-08-16 13:36:55 -04:00
nfsctl.c Highlights: 2019-09-27 17:00:27 -07:00
nfsd.h NFSD fill-in netloc4 structure 2019-12-09 11:42:14 -05:00
nfsfh.c nfsd: use true and false for boolean values 2018-08-09 16:11:21 -04:00
nfsfh.h This request is late, apologies. 2018-02-08 15:18:32 -08:00
nfsproc.c nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
nfssvc.c nfsd: restore NFSv3 ACL support 2019-11-19 17:43:05 -05:00
nfsxdr.c nfsd: knfsd must use the container user namespace 2019-04-24 09:46:35 -04:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h NFSD add COPY_NOTIFY operation 2019-12-09 11:42:14 -05:00
stats.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
trace.h nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -04:00
vfs.c nfsd: check for EBUSY from vfs_rmdir/vfs_unink. 2019-11-30 14:59:52 -05:00
vfs.h nfsd: Ensure CLONE persists data and metadata changes to the target file 2019-11-30 14:55:38 -05:00
xdr3.h nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
xdr4.h NFSD add COPY_NOTIFY operation 2019-12-09 11:42:14 -05:00
xdr4cb.h NFSD CB_OFFLOAD xdr 2018-09-25 20:34:54 -04:00
xdr.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00