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1c7dd2ff43
linux/fs/nfsd
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Jeff Layton 1c7dd2ff43 locks: define a lm_setup handler for leases 
...and move the fasync setup into it for fcntl lease calls. At the same
time, change the semantics of how the file_lock double-pointer is
handled. Up until now, on a successful lease return you got a pointer to
the lock on the list. This is bad, since that pointer can no longer be
relied on as valid once the inode->i_lock has been released.

Change the code to instead just zero out the pointer if the lease we
passed in ended up being used. Then the callers can just check to see
if it's NULL after the call and free it if it isn't.

The priv argument has the same semantics. The lm_setup function can
zero the pointer out to signal to the caller that it should not be
freed after the function returns.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2014-10-07 14:06:12 -04:00
..
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
Kconfig nfsd4: remove labeled NFS warning from config help 2014-08-28 16:00:07 -04:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
Makefile NFSD: Added fault injection 2011-11-07 21:10:47 -05:00
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 nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -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: switch to %p[dD] 2013-10-24 23:34:51 -04:00
nfs4state.c locks: define a lm_setup handler for leases 2014-10-07 14:06:12 -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 new /proc/fs/nfsd/max_connections file 2014-07-08 17:14:32 -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: add appropriate __force directives to filehandle generation code 2014-06-23 11:31:37 -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: don't keep a pointer to the lease in nfs4_file 2014-10-07 14:06:12 -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: properly convert return from commit_metadata to __be32 2014-07-09 20:55:02 -04:00
vfs.h NFSD: Remove iattr parameter from nfsd_symlink() 2014-07-08 17:14:31 -04:00
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
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00