mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-04 09:09:56 +00:00
Convert ext2fs to nmount(2).
This commit is contained in:
Maxime Henrion
parent
28d2080a4b
commit
ad841cb9b2
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=97255
@ -37,14 +37,6 @@
|
||||
#ifndef _SYS_GNU_EXT2FS_EXT2_MOUNT_H_
|
||||
#define _SYS_GNU_EXT2FS_EXT2_MOUNT_H_
|
||||
|
||||
/*
|
||||
* Arguments to mount ext2fs filesystems
|
||||
*/
|
||||
struct ext2_args {
|
||||
char *fspec; /* block special device to mount */
|
||||
struct export_args export; /* network export information */
|
||||
};
|
||||
|
||||
#ifdef _KERNEL
|
||||
|
||||
#ifdef MALLOC_DECLARE
|
||||
|
||||
@ -66,8 +66,7 @@
|
||||
static int ext2_fhtovp(struct mount *, struct fid *, struct vnode **);
|
||||
static int ext2_flushfiles(struct mount *mp, int flags, struct thread *td);
|
||||
static int ext2_init(struct vfsconf *);
|
||||
static int ext2_mount(struct mount *,
|
||||
char *, caddr_t, struct nameidata *, struct thread *);
|
||||
static int ext2_mount(struct mount *, struct nameidata *, struct thread *);
|
||||
static int ext2_mountfs(struct vnode *, struct mount *, struct thread *);
|
||||
static int ext2_reload(struct mount *mountp, struct ucred *cred,
|
||||
struct thread *td);
|
||||
@ -84,7 +83,7 @@ MALLOC_DEFINE(M_EXT2NODE, "EXT2 node", "EXT2 vnode private part");
|
||||
static MALLOC_DEFINE(M_EXT2MNT, "EXT2 mount", "EXT2 mount structure");
|
||||
|
||||
static struct vfsops ext2fs_vfsops = {
|
||||
ext2_mount,
|
||||
NULL,
|
||||
vfs_stdstart,
|
||||
ext2_unmount,
|
||||
ext2_root, /* root inode via vget */
|
||||
@ -98,6 +97,7 @@ static struct vfsops ext2fs_vfsops = {
|
||||
ext2_init,
|
||||
ext2_uninit,
|
||||
vfs_stdextattrctl,
|
||||
ext2_mount,
|
||||
};
|
||||
|
||||
VFS_SET(ext2fs_vfsops, ext2fs, 0);
|
||||
@ -175,27 +175,33 @@ ext2_mountroot()
|
||||
* mount system call
|
||||
*/
|
||||
static int
|
||||
ext2_mount(mp, path, data, ndp, td)
|
||||
ext2_mount(mp, ndp, td)
|
||||
struct mount *mp;
|
||||
char *path;
|
||||
caddr_t data; /* this is actually a (struct ext2_args *) */
|
||||
struct nameidata *ndp;
|
||||
struct thread *td;
|
||||
{
|
||||
struct export_args *export;
|
||||
struct vfsoptlist *opts;
|
||||
struct vnode *devvp;
|
||||
struct ext2_args args;
|
||||
struct ext2mount *ump = 0;
|
||||
struct ext2_sb_info *fs;
|
||||
char *path, *fspec;
|
||||
size_t size;
|
||||
int error, flags;
|
||||
int error, flags, len;
|
||||
mode_t accessmode;
|
||||
|
||||
opts = mp->mnt_optnew;
|
||||
|
||||
vfs_getopt(opts, "fspath", (void **)&path, NULL);
|
||||
/* Double-check the length of path.. */
|
||||
if (strlen(path) >= MAXMNTLEN - 1)
|
||||
return (ENAMETOOLONG);
|
||||
error = copyin(data, (caddr_t)&args, sizeof (struct ext2_args));
|
||||
if (error != 0)
|
||||
return (error);
|
||||
|
||||
fspec = NULL;
|
||||
error = vfs_getopt(opts, "from", (void **)&fspec, &len);
|
||||
if (!error && fspec[len - 1] != '\0')
|
||||
return (EINVAL);
|
||||
|
||||
/*
|
||||
* If updating, check whether changing from read-only to
|
||||
* read/write; if there is no device name, that's all we do.
|
||||
@ -258,18 +264,22 @@ ext2_mount(mp, path, data, ndp, td)
|
||||
ext2_sbupdate(ump, MNT_WAIT);
|
||||
fs->s_rd_only = 0;
|
||||
}
|
||||
if (args.fspec == 0) {
|
||||
/*
|
||||
* Process export requests.
|
||||
*/
|
||||
return (vfs_export(mp, &args.export));
|
||||
if (fspec == NULL) {
|
||||
error = vfs_getopt(opts, "export", (void **)&export,
|
||||
&len);
|
||||
if (error || len != sizeof(struct export_args))
|
||||
return (EINVAL);
|
||||
/* Process export requests. */
|
||||
return (vfs_export(mp, export));
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Not an update, or updating the name: look up the name
|
||||
* and verify that it refers to a sensible block device.
|
||||
*/
|
||||
NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, td);
|
||||
if (fspec == NULL)
|
||||
return (EINVAL);
|
||||
NDINIT(ndp, LOOKUP, FOLLOW, UIO_SYSSPACE, fspec, td);
|
||||
if ((error = namei(ndp)) != 0)
|
||||
return (error);
|
||||
NDFREE(ndp, NDF_ONLY_PNBUF);
|
||||
@ -316,8 +326,7 @@ ext2_mount(mp, path, data, ndp, td)
|
||||
*/
|
||||
strncpy(fs->fs_fsmnt, path, MAXMNTLEN);
|
||||
fs->fs_fsmnt[MAXMNTLEN - 1] = '\0';
|
||||
(void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
|
||||
&size);
|
||||
(void)copystr(fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1, &size);
|
||||
bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
|
||||
(void)ext2_statfs(mp, &mp->mnt_stat, td);
|
||||
return (0);
|
||||
|
||||
@ -37,14 +37,6 @@
|
||||
#ifndef _SYS_GNU_EXT2FS_EXT2_MOUNT_H_
|
||||
#define _SYS_GNU_EXT2FS_EXT2_MOUNT_H_
|
||||
|
||||
/*
|
||||
* Arguments to mount ext2fs filesystems
|
||||
*/
|
||||
struct ext2_args {
|
||||
char *fspec; /* block special device to mount */
|
||||
struct export_args export; /* network export information */
|
||||
};
|
||||
|
||||
#ifdef _KERNEL
|
||||
|
||||
#ifdef MALLOC_DECLARE
|
||||
|
||||
@ -66,8 +66,7 @@
|
||||
static int ext2_fhtovp(struct mount *, struct fid *, struct vnode **);
|
||||
static int ext2_flushfiles(struct mount *mp, int flags, struct thread *td);
|
||||
static int ext2_init(struct vfsconf *);
|
||||
static int ext2_mount(struct mount *,
|
||||
char *, caddr_t, struct nameidata *, struct thread *);
|
||||
static int ext2_mount(struct mount *, struct nameidata *, struct thread *);
|
||||
static int ext2_mountfs(struct vnode *, struct mount *, struct thread *);
|
||||
static int ext2_reload(struct mount *mountp, struct ucred *cred,
|
||||
struct thread *td);
|
||||
@ -84,7 +83,7 @@ MALLOC_DEFINE(M_EXT2NODE, "EXT2 node", "EXT2 vnode private part");
|
||||
static MALLOC_DEFINE(M_EXT2MNT, "EXT2 mount", "EXT2 mount structure");
|
||||
|
||||
static struct vfsops ext2fs_vfsops = {
|
||||
ext2_mount,
|
||||
NULL,
|
||||
vfs_stdstart,
|
||||
ext2_unmount,
|
||||
ext2_root, /* root inode via vget */
|
||||
@ -98,6 +97,7 @@ static struct vfsops ext2fs_vfsops = {
|
||||
ext2_init,
|
||||
ext2_uninit,
|
||||
vfs_stdextattrctl,
|
||||
ext2_mount,
|
||||
};
|
||||
|
||||
VFS_SET(ext2fs_vfsops, ext2fs, 0);
|
||||
@ -175,27 +175,33 @@ ext2_mountroot()
|
||||
* mount system call
|
||||
*/
|
||||
static int
|
||||
ext2_mount(mp, path, data, ndp, td)
|
||||
ext2_mount(mp, ndp, td)
|
||||
struct mount *mp;
|
||||
char *path;
|
||||
caddr_t data; /* this is actually a (struct ext2_args *) */
|
||||
struct nameidata *ndp;
|
||||
struct thread *td;
|
||||
{
|
||||
struct export_args *export;
|
||||
struct vfsoptlist *opts;
|
||||
struct vnode *devvp;
|
||||
struct ext2_args args;
|
||||
struct ext2mount *ump = 0;
|
||||
struct ext2_sb_info *fs;
|
||||
char *path, *fspec;
|
||||
size_t size;
|
||||
int error, flags;
|
||||
int error, flags, len;
|
||||
mode_t accessmode;
|
||||
|
||||
opts = mp->mnt_optnew;
|
||||
|
||||
vfs_getopt(opts, "fspath", (void **)&path, NULL);
|
||||
/* Double-check the length of path.. */
|
||||
if (strlen(path) >= MAXMNTLEN - 1)
|
||||
return (ENAMETOOLONG);
|
||||
error = copyin(data, (caddr_t)&args, sizeof (struct ext2_args));
|
||||
if (error != 0)
|
||||
return (error);
|
||||
|
||||
fspec = NULL;
|
||||
error = vfs_getopt(opts, "from", (void **)&fspec, &len);
|
||||
if (!error && fspec[len - 1] != '\0')
|
||||
return (EINVAL);
|
||||
|
||||
/*
|
||||
* If updating, check whether changing from read-only to
|
||||
* read/write; if there is no device name, that's all we do.
|
||||
@ -258,18 +264,22 @@ ext2_mount(mp, path, data, ndp, td)
|
||||
ext2_sbupdate(ump, MNT_WAIT);
|
||||
fs->s_rd_only = 0;
|
||||
}
|
||||
if (args.fspec == 0) {
|
||||
/*
|
||||
* Process export requests.
|
||||
*/
|
||||
return (vfs_export(mp, &args.export));
|
||||
if (fspec == NULL) {
|
||||
error = vfs_getopt(opts, "export", (void **)&export,
|
||||
&len);
|
||||
if (error || len != sizeof(struct export_args))
|
||||
return (EINVAL);
|
||||
/* Process export requests. */
|
||||
return (vfs_export(mp, export));
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Not an update, or updating the name: look up the name
|
||||
* and verify that it refers to a sensible block device.
|
||||
*/
|
||||
NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, td);
|
||||
if (fspec == NULL)
|
||||
return (EINVAL);
|
||||
NDINIT(ndp, LOOKUP, FOLLOW, UIO_SYSSPACE, fspec, td);
|
||||
if ((error = namei(ndp)) != 0)
|
||||
return (error);
|
||||
NDFREE(ndp, NDF_ONLY_PNBUF);
|
||||
@ -316,8 +326,7 @@ ext2_mount(mp, path, data, ndp, td)
|
||||
*/
|
||||
strncpy(fs->fs_fsmnt, path, MAXMNTLEN);
|
||||
fs->fs_fsmnt[MAXMNTLEN - 1] = '\0';
|
||||
(void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
|
||||
&size);
|
||||
(void)copystr(fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1, &size);
|
||||
bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
|
||||
(void)ext2_statfs(mp, &mp->mnt_stat, td);
|
||||
return (0);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user