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alistair23-linux/fs/nfsd
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Jeff Layton d4318acd5d nfsd: pass extra info in env vars to upcalls to allow for early grace period end 
In order to support lifting the grace period early, we must tell
nfsdcltrack what sort of client the "create" upcall is for. We can't
reliably tell if a v4.0 client has completed reclaiming, so we can only
lift the grace period once all the v4.1+ clients have issued a
RECLAIM_COMPLETE and if there are no v4.0 clients.

Also, in order to lift the grace period, we have to tell userland when
the grace period started so that it can tell whether a RECLAIM_COMPLETE
has been issued for each client since then.

Since this is all optional info, we pass it along in environment
variables to the "init" and "create" upcalls. By doing this, we don't
need to revise the upcall format. The UMH upcall can simply make use of
this info if it happens to be present. If it's not then it can just
avoid lifting the grace period early.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
 		2014-09-17 16:33:15 -04:00
..
Kconfig lockd: move lockd's grace period handling into its own module 2014-09-17 16:33:11 -04:00
Makefile NFSD: Added fault injection 2011-11-07 21:10:47 -05:00
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c nfsd: silence sparse warning about accessing credentials 2014-07-17 16:15:35 -04:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
cache.h nfsd: Remove the cache_hash list 2014-08-17 12:00:12 -04:00
current_stateid.h nfsd41: use current stateid by value 2012-02-15 11:20:45 -05:00
export.c nfsd: allow turning off nfsv3 readdir_plus 2014-08-18 15:12:14 -04:00
export.h NFSD: Using exp_get for export getting 2014-06-23 11:31:36 -04:00
fault_inject.c nfsd: remove old fault injection infrastructure 2014-08-05 10:55:10 -04:00
idmap.h nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
netns.h nfsd: add some comments to the nfsd4 object definitions 2014-08-05 16:09:20 -04:00
nfs2acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs3acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs3proc.c nfsd: allow turning off nfsv3 readdir_plus 2014-08-18 15:12:14 -04:00
nfs3xdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
nfs4acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs4callback.c nfsd: Add a struct nfs4_file field to struct nfs4_stid 2014-07-31 12:51:34 -04:00
nfs4idmap.c NFSD: Full checking of authentication name 2014-09-03 17:43:03 -04:00
nfs4proc.c nfsd: Remove nfs4_lock_state(): nfsd4_open and nfsd4_open_confirm 2014-08-05 10:55:16 -04:00
nfs4recover.c nfsd: pass extra info in env vars to upcalls to allow for early grace period end 2014-09-17 16:33:15 -04:00
nfs4state.c nfsd: pass extra info in env vars to upcalls to allow for early grace period end 2014-09-17 16:33:15 -04:00
nfs4xdr.c nfsd4: reserve adequate space for LOCK op 2014-08-17 12:00:14 -04:00
nfscache.c nfsd: Reorder nfsd_cache_match to check more powerful discriminators first 2014-08-17 12:00:13 -04:00
nfsctl.c nfsd: add a v4_end_grace file to /proc/fs/nfsd 2014-09-17 16:33:14 -04:00
nfsd.h NFSD: Update some as-yet unused 4.2 error codes 2014-08-28 16:00:01 -04:00
nfsfh.c NFSD: Put export if prepare_creds() fail 2014-09-03 17:43:04 -04:00
nfsfh.h nfsd: add appropriate __force directives to filehandle generation code 2014-06-23 11:31:37 -04:00
nfsproc.c nfsd: print status when nfsd4_open fails to open file it just created 2014-07-29 23:08:38 -04:00
nfssvc.c NFSD: Decrease nfsd_users in nfsd_startup_generic fail 2014-08-01 16:26:09 -04:00
nfsxdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
state.h nfsd: add a v4_end_grace file to /proc/fs/nfsd 2014-09-17 16:33:14 -04:00
stats.c nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
vfs.c nfsd: update mtime on truncate 2014-09-11 11:12:16 -04:00
vfs.h NFSD: Remove iattr parameter from nfsd_symlink() 2014-07-08 17:14:31 -04:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h nfsd: Add a mutex to protect the NFSv4.0 open owner replay cache 2014-07-31 14:20:19 -04:00
xdr4cb.h nfsd4: check backchannel attributes on create_session 2013-04-09 16:53:56 -04:00