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NFSD: Fix a bug in the NFSv4 'supported attrs' mandatory attribute

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The fact that the filesystem doesn't currently list any alternate
locations does _not_ imply that the fs_locations attribute should be
marked as "unsupported".

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Trond Myklebust 2009-08-31 15:16:11 -04:00 committed by J. Bruce Fields
parent 468de9e54a
commit a06b1261bd
2 changed files with 1 additions and 13 deletions
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7
fs/nfsd/nfs4proc.c
View File

@ -68,7 +68,6 @@ check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
u32 *bmval, u32 *writable)
{
struct dentry *dentry = cstate->current_fh.fh_dentry;
struct svc_export *exp = cstate->current_fh.fh_export;
/*
* Check about attributes are supported by the NFSv4 server or not.
@ -80,17 +79,13 @@ check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return nfserr_attrnotsupp;
/*
* Check FATTR4_WORD0_ACL & FATTR4_WORD0_FS_LOCATIONS can be supported
* Check FATTR4_WORD0_ACL can be supported
* in current environment or not.
*/
if (bmval[0] & FATTR4_WORD0_ACL) {
if (!IS_POSIXACL(dentry->d_inode))
return nfserr_attrnotsupp;
}
if (bmval[0] & FATTR4_WORD0_FS_LOCATIONS) {
if (exp->ex_fslocs.locations == NULL)
return nfserr_attrnotsupp;
}
/*
* According to spec, read-only attributes return ERR_INVAL.

7
fs/nfsd/nfs4xdr.c
View File

@ -1793,11 +1793,6 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
goto out_nfserr;
}
}
if (bmval0 & FATTR4_WORD0_FS_LOCATIONS) {
if (exp->ex_fslocs.locations == NULL) {
bmval0 &= ~FATTR4_WORD0_FS_LOCATIONS;
}
}
if ((buflen -= 16) < 0)
goto out_resource;
@ -1825,8 +1820,6 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
goto out_resource;
if (!aclsupport)
word0 &= ~FATTR4_WORD0_ACL;
if (!exp->ex_fslocs.locations)
word0 &= ~FATTR4_WORD0_FS_LOCATIONS;
if (!word2) {
WRITE32(2);
WRITE32(word0);