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NFSD: Add nfsd4_encode_fattr4__true()

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Add an encoding helper that encodes a single boolean "true" value.
Attributes that always return "true" can use this helper.

In a subsequent patch, this helper will be called from a bitmask
loop, so it is given a standardized synopsis.

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 09:57:19 -04:00
parent 83ab8678ad
commit c88cb4727a
1 changed files with 27 additions and 28 deletions
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55
fs/nfsd/nfs4xdr.c
View File

@ -2948,6 +2948,12 @@ struct nfsd4_fattr_args {
bool contextsupport; bool contextsupport;
}; };
static __be32 nfsd4_encode_fattr4__true(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
return nfsd4_encode_bool(xdr, true);
}
/* /*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle * Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves. * ourselves.
@ -3134,16 +3140,14 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
p = xdr_encode_hyper(p, args.size); p = xdr_encode_hyper(p, args.size);
} }
if (bmval0 & FATTR4_WORD0_LINK_SUPPORT) { if (bmval0 & FATTR4_WORD0_LINK_SUPPORT) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_SYMLINK_SUPPORT) { if (bmval0 & FATTR4_WORD0_SYMLINK_SUPPORT) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_NAMED_ATTR) { if (bmval0 & FATTR4_WORD0_NAMED_ATTR) {
p = xdr_reserve_space(xdr, 4); p = xdr_reserve_space(xdr, 4);
@ -3231,10 +3235,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL : 0); ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL : 0);
} }
if (bmval0 & FATTR4_WORD0_CANSETTIME) { if (bmval0 & FATTR4_WORD0_CANSETTIME) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_CASE_INSENSITIVE) { if (bmval0 & FATTR4_WORD0_CASE_INSENSITIVE) {
p = xdr_reserve_space(xdr, 4); p = xdr_reserve_space(xdr, 4);
@ -3243,16 +3246,14 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
*p++ = cpu_to_be32(0); *p++ = cpu_to_be32(0);
} }
if (bmval0 & FATTR4_WORD0_CASE_PRESERVING) { if (bmval0 & FATTR4_WORD0_CASE_PRESERVING) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_CHOWN_RESTRICTED) { if (bmval0 & FATTR4_WORD0_CHOWN_RESTRICTED) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_FILEHANDLE) { if (bmval0 & FATTR4_WORD0_FILEHANDLE) {
p = xdr_reserve_space(xdr, args.fhp->fh_handle.fh_size + 4); p = xdr_reserve_space(xdr, args.fhp->fh_handle.fh_size + 4);
@ -3291,10 +3292,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out; goto out;
} }
if (bmval0 & FATTR4_WORD0_HOMOGENEOUS) { if (bmval0 & FATTR4_WORD0_HOMOGENEOUS) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval0 & FATTR4_WORD0_MAXFILESIZE) { if (bmval0 & FATTR4_WORD0_MAXFILESIZE) {
p = xdr_reserve_space(xdr, 8); p = xdr_reserve_space(xdr, 8);
@ -3333,10 +3333,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
*p++ = cpu_to_be32(args.stat.mode & S_IALLUGO); *p++ = cpu_to_be32(args.stat.mode & S_IALLUGO);
} }
if (bmval1 & FATTR4_WORD1_NO_TRUNC) { if (bmval1 & FATTR4_WORD1_NO_TRUNC) {
p = xdr_reserve_space(xdr, 4); status = nfsd4_encode_fattr4__true(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
*p++ = cpu_to_be32(1);
} }
if (bmval1 & FATTR4_WORD1_NUMLINKS) { if (bmval1 & FATTR4_WORD1_NUMLINKS) {
p = xdr_reserve_space(xdr, 4); p = xdr_reserve_space(xdr, 4);