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authorPeter Staubach <staubach@redhat.com>2007-01-26 00:57:00 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-26 13:50:59 -0800
commitc397852c3ddad582ead8c57fbc48bdeccd995a30 (patch)
tree32510f921ce2d901c26cc8b38734b7454b07d2df /fs/qnx4
parente2df0c8644db3d01e3c6fc5f7670fdd7b4c2b234 (diff)
downloadlinux-c397852c3ddad582ead8c57fbc48bdeccd995a30.tar.bz2
[PATCH] knfsd: Don't mess with the 'mode' when storing a exclusive-create cookie
NFS V3 (and V4) support exclusive create by passing a 'cookie' which can get stored with the file. If the file exists but has exactly the right cookie stored, then we assume this is a retransmit and the exclusive create was successful. The cookie is 64bits and is traditionally stored in the mtime and atime fields. This causes a problem with Solaris7 as negative mtime or atime confuse it. So we moved two bits into the mode word instead. But inherited ACLs sometimes overwrite the mode word on create, so this is a problem. So we give up and just store 62 of the 64 bits and assume that is close enough. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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