NFSD: add security label to struct nfsd_attrs

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nfsd_setattr() now sets a security label if provided, and nfsv4 provides
it in the 'open' and 'create' paths and the 'setattr' path.
If setting the label failed (including because the kernel doesn't
support labels), an error field in 'struct nfsd_attrs' is set, and the
caller can respond.  The open/create callers clear
FATTR4_WORD2_SECURITY_LABEL in the returned attr set in this case.
The setattr caller returns the error.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

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NeilBrown 2022-07-26 16:45:30 +10:00 • committed by Chuck Lever

parent 93adc1e391

commit d6a97d3f58

3 changed files with 15 additions and 68 deletions

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49

fs/nfsd/nfs4proc.c

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29

fs/nfsd/vfs.c

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5

fs/nfsd/vfs.h

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