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| /openbmc/linux/fs/nfsd/ |
| H A D | nfs4state.c | c3e48080 Wed Jul 28 09:08:57 CDT 2010 J. Bruce Fields <bfields@redhat.com> nfsd4: don't pretend to support write delegations
The delegation code mostly pretends to support either read or write
delegations. However, correct support for write delegations would
require, for example, breaking of delegations (and/or implementation of
cb_getattr) on stat. Currently all that stops us from handing out
delegations is a subtle reference-counting issue.
Avoid confusion by adding an earlier check that explicitly refuses write
delegations.
For now, though, I'm not going so far as to rip out existing
half-support for write delegations, in case we get around to using that
soon.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
c3e48080 Wed Jul 28 09:08:57 CDT 2010 J. Bruce Fields <bfields@redhat.com> nfsd4: don't pretend to support write delegations
The delegation code mostly pretends to support either read or write
delegations. However, correct support for write delegations would
require, for example, breaking of delegations (and/or implementation of
cb_getattr) on stat. Currently all that stops us from handing out
delegations is a subtle reference-counting issue.
Avoid confusion by adding an earlier check that explicitly refuses write
delegations.
For now, though, I'm not going so far as to rip out existing
half-support for write delegations, in case we get around to using that
soon.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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