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path: root/fs/nfsd/nfs4xdr.c
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2020-11-30NFSD: Add a helper to decode state_protect4_aChuck Lever
Refactor for clarity. Also, remove a stale comment. Commit ed94164398c9 ("nfsd: implement machine credential support for some operations") added support for SP4_MACH_CRED, so state_protect_a is no longer completely ignored. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add a separate decoder for ssv_sp_parmsChuck Lever
Refactor for clarity. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add a separate decoder to handle state_protect_opsChuck Lever
Refactor for clarity and de-duplication of code. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_bind_conn_to_session()Chuck Lever
A dedicated sessionid4 decoder is introduced that will be used by other operation decoders in subsequent patches. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_backchannel_ctl()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_cb_sec()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_release_lockowner()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_write()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_verify()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_setclientid_confirm()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_setclientid()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_setattr()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_secinfo()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_renew()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_rename()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_remove()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_readdir()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_read()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_putfh()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_open_downgrade()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_open_confirm()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_open()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helper to decode OPEN's open_claim4 argumentChuck Lever
Refactor for clarity. Note that op_fname is the only instance of an NFSv4 filename stored in a struct xdr_netobj. Convert it to a u32/char * pair so that the new nfsd4_decode_filename() helper can be used. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_share_deny()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_share_access()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helper to decode OPEN's openflag4 argumentChuck Lever
Refactor for clarity. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helper to decode OPEN's createhow4 argumentChuck Lever
Refactor for clarity. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helper to decode NFSv4 verifiersChuck Lever
This helper will be used to simplify decoders in subsequent patches. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_lookup()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_locku()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_lockt()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_lock()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helper for decoding locker4Chuck Lever
Refactor for clarity. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Add helpers to decode a clientid4 and an NFSv4 state ownerChuck Lever
These helpers will also be used to simplify decoders in subsequent patches. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Relocate nfsd4_decode_opaque()Chuck Lever
Enable nfsd4_decode_opaque() to be used in more decoders, and replace the READ* macros in nfsd4_decode_opaque(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30 NFSD: Replace READ* macros in nfsd4_decode_link()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_getattr()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_delegreturn()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_create()Chuck Lever
A dedicated decoder for component4 is introduced here, which will be used by other operation decoders in subsequent patches. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_fattr()Chuck Lever
Let's be more careful to avoid overrunning the memory that backs the bitmap array. This requires updating the synopsis of nfsd4_decode_fattr(). Bruce points out that a server needs to be careful to return nfs_ok when a client presents bitmap bits the server doesn't support. This includes bits in bitmap words the server might not yet support. The current READ* based implementation is good about that, but that requirement hasn't been documented. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 umask attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 security label attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 time_set attributesChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 owner_group attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 owner attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 mode attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 acl attributeChuck Lever
Refactor for clarity and to move infrequently-used code out of line. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros that decode the fattr4 size attributeChuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Change the way the expected length of a fattr4 is checkedChuck Lever
Because the fattr4 is now managed in an xdr_stream, all that is needed is to store the initial position of the stream before decoding the attribute list. Then the actual length of the list is computed using the final stream position, after decoding is complete. No behavior change is expected. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2020-11-30NFSD: Replace READ* macros in nfsd4_decode_commit()Chuck Lever
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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