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NFSD: Add nfsd4_encode_fattr4_maxfilesize()

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Refactor the encoder for FATTR4_MAXFILESIZE into a helper. In a
subsequent patch, this helper will be called from a bitmask loop.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-09-18 09:59:20 -04:00
parent a1469a3704
commit 7c605dccc5
1 changed files with 11 additions and 4 deletions
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15
fs/nfsd/nfs4xdr.c
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@ -3151,6 +3151,14 @@ static __be32 nfsd4_encode_fattr4_fs_locations(struct xdr_stream *xdr,
return nfsd4_encode_fs_locations4(xdr, args->rqstp, args->exp);
}
static __be32 nfsd4_encode_fattr4_maxfilesize(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
struct super_block *sb = args->exp->ex_path.mnt->mnt_sb;
return nfsd4_encode_uint64_t(xdr, sb->s_maxbytes);
}
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves.
@ -3405,10 +3413,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out;
}
if (bmval0 & FATTR4_WORD0_MAXFILESIZE) {
p = xdr_reserve_space(xdr, 8);
if (!p)
goto out_resource;
p = xdr_encode_hyper(p, exp->ex_path.mnt->mnt_sb->s_maxbytes);
status = nfsd4_encode_fattr4_maxfilesize(xdr, &args);
if (status != nfs_ok)
goto out;
}
if (bmval0 & FATTR4_WORD0_MAXLINK) {
p = xdr_reserve_space(xdr, 4);