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nfsd: consolidate set_access and set_deny

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These functions are identical. Also, rename them to bmap_to_share_mode
to better reflect what they do, and have them just return the result
instead of passing in a pointer to the storage location.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2012-05-11 09:45:11 -04:00 committed by J. Bruce Fields
parent f07ea10dc8
commit 5ae037e599
1 changed files with 7 additions and 17 deletions
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24
fs/nfsd/nfs4state.c
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@ -448,34 +448,24 @@ static struct list_head close_lru;
*
* which we should reject.
*/
static void
set_access(unsigned int *access, unsigned long bmap) {
static unsigned int
bmap_to_share_mode(unsigned long bmap) {
int i;
unsigned int access = 0;
*access = 0;
for (i = 1; i < 4; i++) {
if (test_bit(i, &bmap))
*access |= i;
}
}
static void
set_deny(unsigned int *deny, unsigned long bmap) {
int i;
*deny = 0;
for (i = 0; i < 4; i++) {
if (test_bit(i, &bmap))
*deny |= i ;
access |= i;
}
return access;
}
static int
test_share(struct nfs4_ol_stateid *stp, struct nfsd4_open *open) {
unsigned int access, deny;
set_access(&access, stp->st_access_bmap);
set_deny(&deny, stp->st_deny_bmap);
access = bmap_to_share_mode(stp->st_access_bmap);
deny = bmap_to_share_mode(stp->st_deny_bmap);
if ((access & open->op_share_deny) || (deny & open->op_share_access))
return 0;
return 1;