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Subject[PATCH] ex_dev switched to dev_t
	* svc_export ->ex_dev turned into dev_t.  It's a pure search
key and all places that set it actually do to_kdev_t(some_dev_t_expression).

diff -urN C24-0/fs/nfsd/export.c C24-current/fs/nfsd/export.c
--- C24-0/fs/nfsd/export.c Thu Jun 20 13:37:05 2002
+++ C24-current/fs/nfsd/export.c Sat Jun 29 23:27:42 2002
@@ -68,17 +68,17 @@
* Find the client's export entry matching xdev/xino.
*/
svc_export *
-exp_get(svc_client *clp, kdev_t dev, ino_t ino)
+exp_get(svc_client *clp, dev_t dev, ino_t ino)
{
struct list_head *head, *p;

if (!clp)
return NULL;

- head = &clp->cl_export[EXPORT_HASH(kdev_t_to_nr(dev))];
+ head = &clp->cl_export[EXPORT_HASH(dev)];
list_for_each(p, head) {
svc_export *exp = list_entry(p, svc_export, ex_hash);
- if (exp->ex_ino == ino && kdev_same(exp->ex_dev, dev))
+ if (exp->ex_ino == ino && exp->ex_dev == dev)
return exp;
}
return NULL;
@@ -250,7 +250,7 @@
struct nameidata nd;
struct inode *inode = NULL;
int err;
- kdev_t dev;
+ dev_t dev;
ino_t ino;

/* Consistency check */
@@ -276,7 +276,7 @@
if (err)
goto out_unlock;
inode = nd.dentry->d_inode;
- dev = inode->i_dev;
+ dev = inode->i_sb->s_dev;
ino = inode->i_ino;
err = -EINVAL;

@@ -364,7 +364,7 @@
if (parent)
exp_change_parents(clp, parent, exp);

- list_add(&exp->ex_hash, clp->cl_export + EXPORT_HASH(kdev_t_to_nr(dev)));
+ list_add(&exp->ex_hash, clp->cl_export + EXPORT_HASH(dev));
list_add_tail(&exp->ex_list, &clp->cl_list);

exp_fsid_hash(clp, exp);
@@ -398,7 +398,7 @@
dentry = unexp->ex_dentry;
mnt = unexp->ex_mnt;
inode = dentry->d_inode;
- if (!kdev_same(unexp->ex_dev, inode->i_dev) || unexp->ex_ino != inode->i_ino)
+ if (unexp->ex_dev != inode->i_sb->s_dev || unexp->ex_ino != inode->i_ino)
printk(KERN_WARNING "nfsd: bad dentry in unexport!\n");
dput(dentry);
mntput(mnt);
@@ -440,8 +440,7 @@
err = -EINVAL;
clp = exp_getclientbyname(nxp->ex_client);
if (clp) {
- kdev_t ex_dev = to_kdev_t(nxp->ex_dev);
- svc_export *exp = exp_get(clp, ex_dev, nxp->ex_ino);
+ svc_export *exp = exp_get(clp, nxp->ex_dev, nxp->ex_ino);
if (exp) {
exp_do_unexport(exp);
err = 0;
diff -urN C24-0/fs/nfsd/nfsfh.c C24-current/fs/nfsd/nfsfh.c
--- C24-0/fs/nfsd/nfsfh.c Sat May 25 01:41:04 2002
+++ C24-current/fs/nfsd/nfsfh.c Sat Jun 29 23:26:49 2002
@@ -97,7 +97,7 @@
rqstp->rq_reffh = fh;

if (!fhp->fh_dentry) {
- kdev_t xdev = NODEV;
+ dev_t xdev = 0;
ino_t xino = 0;
__u32 *datap=NULL;
__u32 tfh[3]; /* filehandle fragment for oldstyle filehandles */
@@ -122,7 +122,7 @@
case 0:
if ((data_left-=2)<0) goto out;
nfsdev = ntohl(*datap++);
- xdev = mk_kdev(nfsdev>>16, nfsdev&0xFFFF);
+ xdev = MKDEV(nfsdev>>16, nfsdev&0xFFFF);
xino = *datap++;
break;
case 1:
@@ -136,7 +136,7 @@
if (fh->fh_size != NFS_FHSIZE)
goto out;
/* assume old filehandle format */
- xdev = u32_to_kdev_t(fh->ofh_xdev);
+ xdev = u32_to_dev_t(fh->ofh_xdev);
xino = u32_to_ino_t(fh->ofh_xino);
}

@@ -308,7 +308,7 @@
__u32 *datap;

dprintk("nfsd: fh_compose(exp %02x:%02x/%ld %s/%s, ino=%ld)\n",
- major(exp->ex_dev), minor(exp->ex_dev), (long) exp->ex_ino,
+ MAJOR(exp->ex_dev), MINOR(exp->ex_dev), (long) exp->ex_ino,
parent->d_name.name, dentry->d_name.name,
(inode ? inode->i_ino : 0));

@@ -329,7 +329,7 @@
memset(&fhp->fh_handle.fh_base, 0, NFS_FHSIZE);
fhp->fh_handle.fh_size = NFS_FHSIZE;
fhp->fh_handle.ofh_dcookie = 0xfeebbaca;
- fhp->fh_handle.ofh_dev = htonl((major(exp->ex_dev)<<16)| minor(exp->ex_dev));
+ fhp->fh_handle.ofh_dev = htonl((MAJOR(exp->ex_dev)<<16)| MINOR(exp->ex_dev));
fhp->fh_handle.ofh_xdev = fhp->fh_handle.ofh_dev;
fhp->fh_handle.ofh_xino = ino_t_to_u32(exp->ex_ino);
fhp->fh_handle.ofh_dirino = ino_t_to_u32(parent_ino(dentry));
@@ -348,7 +348,7 @@
} else {
fhp->fh_handle.fh_fsid_type = 0;
/* fsid_type 0 == 2byte major, 2byte minor, 4byte inode */
- *datap++ = htonl((major(exp->ex_dev)<<16)| minor(exp->ex_dev));
+ *datap++ = htonl((MAJOR(exp->ex_dev)<<16)| MINOR(exp->ex_dev));
*datap++ = ino_t_to_u32(exp->ex_ino);
fhp->fh_handle.fh_size = 3*4;
}
diff -urN C24-0/include/linux/nfsd/export.h C24-current/include/linux/nfsd/export.h
--- C24-0/include/linux/nfsd/export.h Wed Mar 20 15:02:00 2002
+++ C24-current/include/linux/nfsd/export.h Sat Jun 29 23:27:06 2002
@@ -70,7 +70,7 @@
int ex_flags;
struct vfsmount * ex_mnt;
struct dentry * ex_dentry;
- kdev_t ex_dev;
+ dev_t ex_dev;
ino_t ex_ino;
uid_t ex_anon_uid;
gid_t ex_anon_gid;
@@ -94,7 +94,7 @@
void exp_readunlock(void);
struct svc_client * exp_getclient(struct sockaddr_in *sin);
void exp_putclient(struct svc_client *clp);
-struct svc_export * exp_get(struct svc_client *clp, kdev_t dev, ino_t ino);
+struct svc_export * exp_get(struct svc_client *clp, dev_t dev, ino_t ino);
struct svc_export * exp_get_fsid(struct svc_client *clp, int fsid);
struct svc_export * exp_get_by_name(struct svc_client *clp,
struct vfsmount *mnt,
diff -urN C24-0/include/linux/nfsd/nfsfh.h C24-current/include/linux/nfsd/nfsfh.h
--- C24-0/include/linux/nfsd/nfsfh.h Sun Jan 20 10:21:14 2002
+++ C24-current/include/linux/nfsd/nfsfh.h Sat Jun 29 23:22:42 2002
@@ -143,13 +143,13 @@
return udev;
}

-static inline kdev_t u32_to_kdev_t(__u32 udev)
+static inline dev_t u32_to_dev_t(__u32 udev)
{
unsigned int minor, major;

minor = (udev & 0xff) | ((udev >> 8) & 0xfff00);
major = ((udev >> 8) & 0xff) | ((udev >> 20) & 0xf00);
- return mk_kdev(major, minor);
+ return MKDEV(major, minor);
}

static inline __u32 ino_t_to_u32(ino_t ino)
-
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