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| author |   Chuck Lever <chuck.lever@oracle.com> | 2021-09-30 17:06:15 -0400 |
|---|---|---|
| committer |   J. Bruce Fields <bfields@redhat.com> | 2021-10-02 16:10:01 -0400 |
| commit | f49b68ddc9d7dddf1530312108a648dd815a2f30 (patch) | |
| tree | f334c2ae41449300456a13db6f2b7e8b85bd63c0 /fs/nfsd/xdr3.h | |
| parent | NFSD: Initialize pointer ni with NULL and not plain integer 0 (diff) | |
| download | linux-dev-f49b68ddc9d7dddf1530312108a648dd815a2f30.tar.xz linux-dev-f49b68ddc9d7dddf1530312108a648dd815a2f30.zip | |
SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases
xdr_stream_subsegment() was introduced in commit c1346a1216ab
("NFSD: Replace the internals of the READ_BUF() macro").
There are two call sites for xdr_stream_subsegment(). One is
nfsd4_decode_write(), and the other is nfsd4_decode_setxattr().
Currently neither of these call sites calls this API when
xdr_buf::page_base is a non-zero value.
However, I'm about to add a case where page_base will sometimes not
be zero when nfsd4_decode_write() invokes this API. Replace the
logic in xdr_stream_subsegment() that advances to the next data item
in the xdr_stream with something more generic in order to handle
this new use case.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/xdr3.h')
0 files changed, 0 insertions, 0 deletions