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nfsd4: modify fi_delegations under recall_lock 

Modify fi_delegations only under the recall_lock, allowing us to use
that list on lease breaks.

Also some trivial cleanup to simplify later changes.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-02-07 16:53:46 -05:00
parent 65bc58f518
commit 5d926e8c2f
1 changed files with 4 additions and 4 deletions
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8
fs/nfsd/nfs4state.c
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@ -277,9 +277,9 @@ nfs4_close_delegation(struct nfs4_delegation *dp)
static void
unhash_delegation(struct nfs4_delegation *dp)
{
list_del_init(&dp->dl_perfile);
list_del_init(&dp->dl_perclnt);
spin_lock(&recall_lock);
list_del_init(&dp->dl_perfile);
list_del_init(&dp->dl_recall_lru);
spin_unlock(&recall_lock);
nfs4_close_delegation(dp);
@ -2336,9 +2336,7 @@ static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
* it's safe to take a reference: */
atomic_inc(&dp->dl_count);
spin_lock(&recall_lock);
list_add_tail(&dp->dl_recall_lru, &del_recall_lru);
spin_unlock(&recall_lock);
/* only place dl_time is set. protected by lock_flocks*/
dp->dl_time = get_seconds();
@ -2363,8 +2361,10 @@ static void nfsd_break_deleg_cb(struct file_lock *fl)
*/
fl->fl_break_time = 0;
nfsd_break_one_deleg(dp);
spin_lock(&recall_lock);
dp->dl_file->fi_had_conflict = true;
nfsd_break_one_deleg(dp);
spin_unlock(&recall_lock);
}
static