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Commit 4d1d0534 authored by Yan, Zheng's avatar Yan, Zheng Committed by Sage Weil
Browse files

ceph: Hold caps_list_lock when adjusting caps_{use, total}_count 



Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: default avatarSage Weil <sage@inktank.com>
parent 9e15b77d

fs/ceph/caps.c

+2 −0
Original line number Diff line number Diff line
@@ -236,8 +236,10 @@ static struct ceph_cap *get_cap(struct ceph_mds_client *mdsc, 
	if (!ctx) {

		cap = kmem_cache_alloc(ceph_cap_cachep, GFP_NOFS);

		if (cap) {

			spin_lock(&mdsc->caps_list_lock);

			mdsc->caps_use_count++;

			mdsc->caps_total_count++;

			spin_unlock(&mdsc->caps_list_lock);

		}

		return cap;

	}