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nfsd4: add a helper function to decide if stateid is delegation

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Make this check self-documenting.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields
2009-02-21 13:17:19 -08:00
parent 819a8f539a
commit 3e633079e3
1 changed files with 6 additions and 1 deletions
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7
fs/nfsd/nfs4state.c
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@@ -2048,6 +2048,11 @@ static int check_stateid_generation(stateid_t *in, stateid_t *ref)
return nfs_ok; return nfs_ok;
} }
static int is_delegation_stateid(stateid_t *stateid)
{
return stateid->si_fileid == 0;
}
/* /*
* Checks for stateid operations * Checks for stateid operations
*/ */
@@ -2073,7 +2078,7 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl
goto out; goto out;
status = nfserr_bad_stateid; status = nfserr_bad_stateid;
if (!stateid->si_fileid) { /* delegation stateid */ if (is_delegation_stateid(stateid)) {
dp = find_delegation_stateid(ino, stateid); dp = find_delegation_stateid(ino, stateid);
if (!dp) if (!dp)
goto out; goto out;