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nfs: replace while loop by for loops in nfs_follow_referral

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Whoever wrote this had a bizarre allergy to for loops.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
J. Bruce Fields 2008-08-20 16:10:21 -04:00 committed by Trond Myklebust
parent 4ada29d5c4
commit 460cdbc832
1 changed files with 5 additions and 12 deletions
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17
fs/nfs/nfs4namespace.c
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@ -116,24 +116,22 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
{
struct vfsmount *mnt = ERR_PTR(-ENOENT);
char *mnt_path;
unsigned int s = 0;
unsigned int s;
mnt_path = nfs4_pathname_string(&location->rootpath, page2, PAGE_SIZE);
if (IS_ERR(mnt_path))
return mnt;
mountdata->mnt_path = mnt_path;
while (s < location->nservers) {
for (s = 0; s < location->nservers; s++) {
struct sockaddr_in addr = {
.sin_family = AF_INET,
.sin_port = htons(NFS_PORT),
};
if (location->servers[s].len <= 0 ||
valid_ipaddr4(location->servers[s].data) < 0) {
s++;
valid_ipaddr4(location->servers[s].data) < 0)
continue;
}
mountdata->hostname = location->servers[s].data;
addr.sin_addr.s_addr = in_aton(mountdata->hostname),
@ -147,7 +145,6 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
mnt = vfs_kern_mount(&nfs4_referral_fs_type, 0, page, mountdata);
if (!IS_ERR(mnt))
break;
s++;
}
return mnt;
}
@ -193,20 +190,16 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
goto out;
}
loc = 0;
while (loc < locations->nlocations) {
for (loc = 0; loc < locations->nlocations; loc++) {
const struct nfs4_fs_location *location = &locations->locations[loc];
if (location == NULL || location->nservers <= 0 ||
location->rootpath.ncomponents == 0) {
loc++;
location->rootpath.ncomponents == 0)
continue;
}
mnt = try_location(&mountdata, page, page2, location);
if (!IS_ERR(mnt))
break;
loc++;
}
out: