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authorChristoph Hellwig <hch@infradead.org>2013-11-14 05:50:10 -0800
committerJ. Bruce Fields <bfields@redhat.com>2013-11-14 15:18:47 -0500
commitaea240f4162d50e0f2d8bd5ea3ba11b5f072add8 (patch)
tree214ecab9cbcc13116fa1a5a05c45b604ce851cdf
parent6ff40decff0ef35a5d755ec60182d7f803356dfb (diff)
downloadop-kernel-dev-aea240f4162d50e0f2d8bd5ea3ba11b5f072add8.zip
op-kernel-dev-aea240f4162d50e0f2d8bd5ea3ba11b5f072add8.tar.gz
nfsd: export proper maximum file size to the client
I noticed that we export a way to high value for the maxfilesize attribute when debugging a client issue. The issue didn't turn out to be related to it, but I think we should export it, so that clients can limit what write sizes they accept before hitting the server. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs4xdr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 9d76ee3..088de13 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2391,7 +2391,7 @@ out_acl:
if (bmval0 & FATTR4_WORD0_MAXFILESIZE) {
if ((buflen -= 8) < 0)
goto out_resource;
- WRITE64(~(u64)0);
+ WRITE64(exp->ex_path.mnt->mnt_sb->s_maxbytes);
}
if (bmval0 & FATTR4_WORD0_MAXLINK) {
if ((buflen -= 4) < 0)
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