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ceph: hold i_ceph_lock when removing caps for freeing inode

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ceph_d_revalidate(, LOOKUP_RCU) may call __ceph_caps_issued_mask()
on a freeing inode.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng
2019-05-23 11:01:37 +08:00
committed by Ilya Dryomov
parent 8f2a98ef3c
commit d6e4781972
3 changed files with 8 additions and 6 deletions
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2
fs/ceph/inode.c
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@@ -533,7 +533,7 @@ void ceph_destroy_inode(struct inode *inode)
ceph_fscache_unregister_inode_cookie(ci);
__ceph_remove_caps(inode);
__ceph_remove_caps(ci);
if (__ceph_has_any_quota(ci))
ceph_adjust_quota_realms_count(inode, false);