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| /freebsd-11-stable/sys/fs/nfsclient/ | ||
| H A D | nfs_clstate.c | diff 223774 Mon Jul 04 21:46:41 MDT 2011 rmacklem The algorithm used by nfscl_getopen() could have resulted in multiple instances of the same lock_owner when a process both inherited an open file descriptor plus opened the same file itself. Since some NFSv4 servers cannot handle multiple instances of the same lock_owner string, this patch changes the algorithm used by nfscl_getopen() in the new NFSv4 client to keep that from happening. The new algorithm is simpler, since there is no longer any need to ascend the process's parentage tree because all NFSv4 Closes for a file are done at VOP_INACTIVE()/VOP_RECLAIM(), making the Opens indistinct w.r.t. use with Lock Ops. This problem was discovered at the recent NFSv4 interoperability Bakeathon. MFC after: 2 weeks |
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