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authorNeilBrown <neilb@suse.de>2006-10-04 13:15:46 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 18:55:15 +0400
commit4452435948424e5322c2a2fefbdc2cf3732cc45d (patch)
treed2082c68d33298e85298852cafde7999ccca3364 /fs/nfsd/nfs2acl.c
parent5680c44632053a6c9464bca43083f01776d318da (diff)
downloadlinux-4452435948424e5322c2a2fefbdc2cf3732cc45d.tar.xz
[PATCH] knfsd: Replace two page lists in struct svc_rqst with one
We are planning to increase RPCSVC_MAXPAGES from about 8 to about 256. This means we need to be a bit careful about arrays of size RPCSVC_MAXPAGES. struct svc_rqst contains two such arrays. However the there are never more that RPCSVC_MAXPAGES pages in the two arrays together, so only one array is needed. The two arrays are for the pages holding the request, and the pages holding the reply. Instead of two arrays, we can simply keep an index into where the first reply page is. This patch also removes a number of small inline functions that probably server to obscure what is going on rather than clarify it, and opencode the needed functionality. Also remove the 'rq_restailpage' variable as it is *always* 0. i.e. if the response 'xdr' structure has a non-empty tail it is always in the same pages as the head. check counters are initilised and incr properly check for consistant usage of ++ etc maybe extra some inlines for common approach general review Signed-off-by: Neil Brown <neilb@suse.de> Cc: Magnus Maatta <novell@kiruna.se> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd/nfs2acl.c')
-rw-r--r--fs/nfsd/nfs2acl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index fe56b38364cc..71108da2e54e 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -241,7 +241,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, u32 *p,
rqstp->rq_res.page_len = w;
while (w > 0) {
- if (!svc_take_res_page(rqstp))
+ if (!rqstp->rq_respages[rqstp->rq_resused++])
return 0;
w -= PAGE_SIZE;
}