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Commit 496e5955 authored by Sage Weil's avatar Sage Weil
Browse files

ceph: switch from BKL to lock_flocks() 



Switch from using the BKL explicitly to the new lock_flocks() interface.
Eventually this will turn into a spinlock.

Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent fca4451a

fs/ceph/mds_client.c

+6 −5
Original line number Diff line number Diff line 
#include <linux/ceph/ceph_debug.h>



#include <linux/fs.h>

#include <linux/wait.h>

#include <linux/slab.h>

#include <linux/sched.h>

#include <linux/smp_lock.h>

#include <linux/debugfs.h>

#include <linux/seq_file.h>

#include <linux/smp_lock.h>



#include "super.h"

#include "mds_client.h"
@@ -2369,13 +2370,13 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap, 


		ceph_pagelist_set_cursor(pagelist, &trunc_point);

		do {

			lock_kernel();

			lock_flocks();

			ceph_count_locks(inode, &num_fcntl_locks,

					 &num_flock_locks);

			rec.v2.flock_len = (2*sizeof(u32) +

					    (num_fcntl_locks+num_flock_locks) *

					    sizeof(struct ceph_filelock));

			unlock_kernel();

			unlock_flocks();



			/* pre-alloc pagelist */

			ceph_pagelist_truncate(pagelist, &trunc_point);
@@ -2386,12 +2387,12 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap, 


			/* encode locks */

			if (!err) {

				lock_kernel();

				lock_flocks();

				err = ceph_encode_locks(inode,

							pagelist,

							num_fcntl_locks,

							num_flock_locks);

				unlock_kernel();

				unlock_flocks();

			}

		} while (err == -ENOSPC);

	} else {