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ceph: delete stale dentry when last reference is dropped

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introduce ceph_d_delete(), which checks if dentry has valid lease.

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
2019-01-28 20:43:55 +08:00
committed by Ilya Dryomov
parent 8d9c0906ac
commit 1e9c2eb681
4 changed files with 104 additions and 32 deletions
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fs/ceph/inode.c
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@@ -497,7 +497,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
ci->i_wrbuffer_ref = 0;
ci->i_wrbuffer_ref_head = 0;
atomic_set(&ci->i_filelock_ref, 0);
atomic_set(&ci->i_shared_gen, 0);
atomic_set(&ci->i_shared_gen, 1);
ci->i_rdcache_gen = 0;
ci->i_rdcache_revoking = 0;