diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-11-14 05:42:16 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-02 22:05:53 +0300 |
| commit | 046e5ccb4198b990190e11fb52fd9cfd264402eb (patch) | |
| tree | d722214137c8f8f41fea7ba1b43754dc01e83f54 | |
| parent | 988998134996a397a47cf758627def5f20dc1e88 (diff) | |
| download | linux-046e5ccb4198b990190e11fb52fd9cfd264402eb.tar.xz | |
NFSv4: Fix the alignment of page data in the getdeviceinfo reply
We can fit the device_addr4 opaque data padding in the pages.
Fixes: cf500bac8fd4 ("SUNRPC: Introduce rpc_prepare_reply_pages()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index c6dbfcae7517..c16b93df1bc1 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3009,15 +3009,19 @@ static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, struct compound_hdr hdr = { .minorversion = nfs4_xdr_minorversion(&args->seq_args), }; + uint32_t replen; encode_compound_hdr(xdr, req, &hdr); encode_sequence(xdr, &args->seq_args, &hdr); + + replen = hdr.replen + op_decode_hdr_maxsz; + encode_getdeviceinfo(xdr, args, &hdr); - /* set up reply kvec. Subtract notification bitmap max size (2) - * so that notification bitmap is put in xdr_buf tail */ + /* set up reply kvec. device_addr4 opaque data is read into the + * pages */ rpc_prepare_reply_pages(req, args->pdev->pages, args->pdev->pgbase, - args->pdev->pglen, hdr.replen - 2); + args->pdev->pglen, replen + 2 + 1); encode_nops(&hdr); } |