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NFSD: Add nfsd4_encode_fattr4_space_avail()

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Refactor the encoder for FATTR4_SPACE_AVAIL 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 10:00:24 -04:00
parent a460cda28e
commit 83afa09179
1 changed files with 11 additions and 5 deletions
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16
fs/nfsd/nfs4xdr.c
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@ -3225,6 +3225,14 @@ static __be32 nfsd4_encode_fattr4_rawdev(struct xdr_stream *xdr,
MINOR(args->stat.rdev));
}
static __be32 nfsd4_encode_fattr4_space_avail(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
u64 avail = (u64)args->statfs.f_bavail * (u64)args->statfs.f_bsize;
return nfsd4_encode_uint64_t(xdr, avail);
}
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves.
@ -3534,11 +3542,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out;
}
if (bmval1 & FATTR4_WORD1_SPACE_AVAIL) {
p = xdr_reserve_space(xdr, 8);
if (!p)
goto out_resource;
dummy64 = (u64)args.statfs.f_bavail * (u64)args.statfs.f_bsize;
p = xdr_encode_hyper(p, dummy64);
status = nfsd4_encode_fattr4_space_avail(xdr, &args);
if (status != nfs_ok)
goto out;
}
if (bmval1 & FATTR4_WORD1_SPACE_FREE) {
p = xdr_reserve_space(xdr, 8);