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authorJ. Bruce Fields <bfields@redhat.com>2011-01-31 11:54:04 -0500
committerJ. Bruce Fields <bfields@redhat.com>2011-02-14 10:35:18 -0500
commit6b57d9c86d0ab11c091b6db2edff8b5553fd445b (patch)
treefdd5ed018e05e068f3a96766dbea85f2cb3cc8ef /fs/nfsd/nfs4state.c
parentNFSD: memory corruption due to writing beyond the stat array (diff)
downloadlinux-dev-6b57d9c86d0ab11c091b6db2edff8b5553fd445b.tar.xz
linux-dev-6b57d9c86d0ab11c091b6db2edff8b5553fd445b.zip
nfsd4: split up nfsd_break_deleg_cb
We'll be adding some more code here soon. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to '')
-rw-r--r--fs/nfsd/nfs4state.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d98d0213285d..ceb66170fda3 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2329,23 +2329,8 @@ nfs4_file_downgrade(struct nfs4_file *fp, unsigned int share_access)
nfs4_file_put_access(fp, O_RDONLY);
}
-/*
- * Spawn a thread to perform a recall on the delegation represented
- * by the lease (file_lock)
- *
- * Called from break_lease() with lock_flocks() held.
- * Note: we assume break_lease will only call this *once* for any given
- * lease.
- */
-static
-void nfsd_break_deleg_cb(struct file_lock *fl)
+static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
-
- dprintk("NFSD nfsd_break_deleg_cb: dp %p fl %p\n",dp,fl);
- if (!dp)
- return;
-
/* We're assuming the state code never drops its reference
* without first removing the lease. Since we're in this lease
* callback (and since the lease code is serialized by the kernel
@@ -2360,15 +2345,28 @@ void nfsd_break_deleg_cb(struct file_lock *fl)
/* only place dl_time is set. protected by lock_flocks*/
dp->dl_time = get_seconds();
+ nfsd4_cb_recall(dp);
+}
+
+/*
+ * Called from break_lease() with lock_flocks() held.
+ * Note: we assume break_lease will only call this *once* for any given
+ * lease.
+ */
+static void nfsd_break_deleg_cb(struct file_lock *fl)
+{
+ struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
+
+ BUG_ON(!dp);
/*
* We don't want the locks code to timeout the lease for us;
* we'll remove it ourself if the delegation isn't returned
- * in time.
+ * in time:
*/
fl->fl_break_time = 0;
+ nfsd_break_one_deleg(dp);
dp->dl_file->fi_had_conflict = true;
- nfsd4_cb_recall(dp);
}
static