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sunrpc: add a generic rq_flags field to svc_rqst and move rq_secure to it

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In a later patch, we're going to need some atomic bit flags. Since that
field will need to be an unsigned long, we mitigate that space
consumption by migrating some other bitflags to the new field. Start
with the rq_secure flag.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton
2014-11-19 07:51:14 -05:00
committed by J. Bruce Fields
parent 2941b0e91b
commit 4d152e2c9a
5 changed files with 22 additions and 10 deletions
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4
fs/nfsd/nfscache.c
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@@ -490,7 +490,7 @@ found_entry:
/* From the hall of fame of impractical attacks:
* Is this a user who tries to snoop on the cache? */
rtn = RC_DOIT;
if (!rqstp->rq_secure && rp->c_secure)
if (!test_bit(RQ_SECURE, &rqstp->rq_flags) && rp->c_secure)
goto out;
/* Compose RPC reply header */
@@ -579,7 +579,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
spin_lock(&b->cache_lock);
drc_mem_usage += bufsize;
lru_put_end(b, rp);
rp->c_secure = rqstp->rq_secure;
rp->c_secure = test_bit(RQ_SECURE, &rqstp->rq_flags);
rp->c_type = cachetype;
rp->c_state = RC_DONE;
spin_unlock(&b->cache_lock);