Messages in this thread | | | From | Andrew W Elble <> | Subject | Re: Files leak from nfsd in 4.7.1-rc1 (and more?) | Date | Thu, 09 Jun 2016 08:13:18 -0400 |
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> But...suppose we have two racing OPEN calls. They're both in > nfs4_get_vfs_file. One opens the file and succeeds and the other fails > and ends up in out_put_access. At that point, you could end up > clobbering the successful update to st_access_bmap from the other task, > and we'd end up not putting the file access references in > release_all_access.
Pondering further (with an assumption about the workload), isn't this path also likely to involve a lease break in progress on that file?
Thanks,
Andy
-- Andrew W. Elble aweits@discipline.rit.edu Infrastructure Engineer, Communications Technical Lead Rochester Institute of Technology PGP: BFAD 8461 4CCF DC95 DA2C B0EB 965B 082E 863E C912
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