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authorMing Chen2014-01-09 21:26:10 +0000
committerJ. Bruce Fields2014-01-27 18:02:42 -0500
commited47b062ce9546fbe1eebf9da6937df4c5035372 (patch)
tree46f007d5bbe868037232e6431ef794264df56491 /fs/buffer.c
parent4335723e8e9fdc6e4bb2555696bc7f1abe75f200 (diff)
nfsd: consider CLAIM_FH when handing out delegation
CLAIM_FH was added by NFSv4.1. It is the same as CLAIM_NULL except that it uses only current FH to identify the file to be opened. The NFS client is using CLAIM_FH if the FH is available when opening a file. Currently, we cannot get any delegation if we stat a file before open it because the server delegation code does not recognize CLAIM_FH. We tested this patch and found delegation can be handed out now when claim is CLAIM_FH. See http://marc.info/?l=linux-nfs&m=136369847801388&w=2 and http://www.linux-nfs.org/wiki/index.php/Server_4.0_and_4.1_issues#New_open_claim_types Signed-off-by: Ming Chen <mchen@cs.stonybrook.edu> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/buffer.c')
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