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[PATCH] NFS2: Calculate 'w' a bit later in nfsaclsvc_encode_getaclres()

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NFS2: Calculate 'w' a bit later in nfsaclsvc_encode_getaclres()
      This is a small performance optimization since we can return before
      needing 'w'. It also saves a few bytes of .text :
      Before:
           text    data     bss     dec     hex filename
           2406     212       0    2618     a3a fs/nfsd/nfs2acl.o
      After:
           text    data     bss     dec     hex filename
           2400     212       0    2612     a34 fs/nfsd/nfs2acl.o

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jesper Juhl 2006-12-08 02:39:39 -08:00 committed by Linus Torvalds
parent 4b75f78edc
commit cb65a5ba3d
1 changed files with 4 additions and 4 deletions
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8
fs/nfsd/nfs2acl.c
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@ -222,12 +222,10 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
{
struct dentry *dentry = resp->fh.fh_dentry;
struct inode *inode = dentry->d_inode;
int w = nfsacl_size(
(resp->mask & NFS_ACL) ? resp->acl_access : NULL,
(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
struct kvec *head = rqstp->rq_res.head;
unsigned int base;
int n;
int w;
if (dentry == NULL || dentry->d_inode == NULL)
return 0;
@ -239,7 +237,9 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
return 0;
base = (char *)p - (char *)head->iov_base;
rqstp->rq_res.page_len = w;
rqstp->rq_res.page_len = w = nfsacl_size(
(resp->mask & NFS_ACL) ? resp->acl_access : NULL,
(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
while (w > 0) {
if (!rqstp->rq_respages[rqstp->rq_resused++])
return 0;