Bug #6914 » 0001-ceph-check-inode-caps-in-ceph_d_revalidate.patch
| fs/ceph/caps.c | ||
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return !RB_EMPTY_ROOT(&ci->i_caps) || ci->i_cap_exporting_mds >= 0;
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}
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int ceph_is_any_caps(struct inode *inode)
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{
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struct ceph_inode_info *ci = ceph_inode(inode);
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int ret;
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spin_lock(&ci->i_ceph_lock);
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ret = __ceph_is_any_caps(ci);
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spin_unlock(&ci->i_ceph_lock);
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return ret;
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}
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/*
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* Remove a cap. Take steps to deal with a racing iterate_session_caps.
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*
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| fs/ceph/dir.c | ||
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valid = 1;
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} else if (dentry_lease_is_valid(dentry) ||
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dir_lease_is_valid(dir, dentry)) {
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valid = 1;
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if (dentry->d_inode)
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valid = ceph_is_any_caps(dentry->d_inode);
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else
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valid = 1;
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}
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dout("d_revalidate %p %s\n", dentry, valid ? "valid" : "invalid");
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if (valid)
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if (valid) {
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ceph_dentry_lru_touch(dentry);
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else
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} else {
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ceph_dir_clear_complete(dir);
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d_drop(dentry);
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}
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iput(dir);
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return valid;
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}
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| fs/ceph/super.h | ||
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extern void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release);
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extern void ceph_put_cap(struct ceph_mds_client *mdsc,
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struct ceph_cap *cap);
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extern int ceph_is_any_caps(struct inode *inode);
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extern void __queue_cap_release(struct ceph_mds_session *session, u64 ino,
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u64 cap_id, u32 migrate_seq, u32 issue_seq);
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