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authorphk <phk@FreeBSD.org>2004-09-27 20:38:46 +0000
committerphk <phk@FreeBSD.org>2004-09-27 20:38:46 +0000
commit228c7133a0ec5a2cd5ac33b64db645badc3df2c4 (patch)
treea24406fdd076faf788ddd15ddea078b0c51959c8 /sys/gnu/fs
parent34196975cf61be2d2e5af2931ec15659f5d0d8c2 (diff)
downloadFreeBSD-src-228c7133a0ec5a2cd5ac33b64db645badc3df2c4.zip
FreeBSD-src-228c7133a0ec5a2cd5ac33b64db645badc3df2c4.tar.gz
Desupport device nodes on EXT2 filesystems.
Diffstat (limited to 'sys/gnu/fs')
-rw-r--r--sys/gnu/fs/ext2fs/ext2_extern.h3
-rw-r--r--sys/gnu/fs/ext2fs/ext2_vfsops.c2
-rw-r--r--sys/gnu/fs/ext2fs/ext2_vnops.c126
3 files changed, 12 insertions, 119 deletions
diff --git a/sys/gnu/fs/ext2fs/ext2_extern.h b/sys/gnu/fs/ext2fs/ext2_extern.h
index 45ba6b3..8e73723 100644
--- a/sys/gnu/fs/ext2fs/ext2_extern.h
+++ b/sys/gnu/fs/ext2fs/ext2_extern.h
@@ -74,7 +74,7 @@ int ext2_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
int ext2_update(struct vnode *, int);
int ext2_valloc(struct vnode *, int, struct ucred *, struct vnode **);
int ext2_vfree(struct vnode *, ino_t, int);
-int ext2_vinit(struct mount *, vop_t **, vop_t **, struct vnode **vpp);
+int ext2_vinit(struct mount *, vop_t **, struct vnode **vpp);
int ext2_lookup(struct vop_cachedlookup_args *);
int ext2_readdir(struct vop_readdir_args *);
void ext2_print_inode(struct inode *);
@@ -106,7 +106,6 @@ void mark_buffer_dirty(struct buf *bh);
#define B_NOWAIT 0x08 /* do not sleep to await lock */
extern vop_t **ext2_vnodeop_p;
-extern vop_t **ext2_specop_p;
extern vop_t **ext2_fifoop_p;
#endif /* !_SYS_GNU_EXT2FS_EXT2_EXTERN_H_ */
diff --git a/sys/gnu/fs/ext2fs/ext2_vfsops.c b/sys/gnu/fs/ext2fs/ext2_vfsops.c
index a1e5365..bf0a2fd 100644
--- a/sys/gnu/fs/ext2fs/ext2_vfsops.c
+++ b/sys/gnu/fs/ext2fs/ext2_vfsops.c
@@ -1094,7 +1094,7 @@ printf("ext2_vget(%d) dbn= %d ", ino, fsbtodb(fs, ino_to_fsba(fs, ino)));
* Initialize the vnode from the inode, check for aliases.
* Note that the underlying vnode may have changed.
*/
- if ((error = ext2_vinit(mp, ext2_specop_p, ext2_fifoop_p, &vp)) != 0) {
+ if ((error = ext2_vinit(mp, ext2_fifoop_p, &vp)) != 0) {
vput(vp);
*vpp = NULL;
return (error);
diff --git a/sys/gnu/fs/ext2fs/ext2_vnops.c b/sys/gnu/fs/ext2fs/ext2_vnops.c
index b344173..2da6777 100644
--- a/sys/gnu/fs/ext2fs/ext2_vnops.c
+++ b/sys/gnu/fs/ext2fs/ext2_vnops.c
@@ -110,9 +110,6 @@ static int ext2fifo_close(struct vop_close_args *);
static int ext2fifo_kqfilter(struct vop_kqfilter_args *);
static int ext2fifo_read(struct vop_read_args *);
static int ext2fifo_write(struct vop_write_args *);
-static int ext2spec_close(struct vop_close_args *);
-static int ext2spec_read(struct vop_read_args *);
-static int ext2spec_write(struct vop_write_args *);
static int filt_ext2read(struct knote *kn, long hint);
static int filt_ext2write(struct knote *kn, long hint);
static int filt_ext2vnode(struct knote *kn, long hint);
@@ -158,24 +155,6 @@ static struct vnodeopv_entry_desc ext2_vnodeop_entries[] = {
static struct vnodeopv_desc ext2fs_vnodeop_opv_desc =
{ &ext2_vnodeop_p, ext2_vnodeop_entries };
-vop_t **ext2_specop_p;
-static struct vnodeopv_entry_desc ext2_specop_entries[] = {
- { &vop_default_desc, (vop_t *) spec_vnoperate },
- { &vop_access_desc, (vop_t *) ext2_access },
- { &vop_close_desc, (vop_t *) ext2spec_close },
- { &vop_fsync_desc, (vop_t *) ext2_fsync },
- { &vop_getattr_desc, (vop_t *) ext2_getattr },
- { &vop_inactive_desc, (vop_t *) ext2_inactive },
- { &vop_print_desc, (vop_t *) ext2_print },
- { &vop_read_desc, (vop_t *) ext2spec_read },
- { &vop_reclaim_desc, (vop_t *) ext2_reclaim },
- { &vop_setattr_desc, (vop_t *) ext2_setattr },
- { &vop_write_desc, (vop_t *) ext2spec_write },
- { NULL, NULL }
-};
-static struct vnodeopv_desc ext2fs_specop_opv_desc =
- { &ext2_specop_p, ext2_specop_entries };
-
vop_t **ext2_fifoop_p;
static struct vnodeopv_entry_desc ext2_fifoop_entries[] = {
{ &vop_default_desc, (vop_t *) fifo_vnoperate },
@@ -196,7 +175,6 @@ static struct vnodeopv_desc ext2fs_fifoop_opv_desc =
{ &ext2_fifoop_p, ext2_fifoop_entries };
VNODEOP_SET(ext2fs_vnodeop_opv_desc);
- VNODEOP_SET(ext2fs_specop_opv_desc);
VNODEOP_SET(ext2fs_fifoop_opv_desc);
#include <gnu/ext2fs/ext2_readwrite.c>
@@ -286,6 +264,9 @@ ext2_open(ap)
} */ *ap;
{
+ if (ap->a_vp->v_type == VBLK || ap->a_vp->v_type == VCHR)
+ return (EOPNOTSUPP);
+
/*
* Files marked append-only must be opened for appending.
*/
@@ -352,6 +333,9 @@ ext2_access(ap)
mode_t mode = ap->a_mode;
int error;
+ if (vp->v_type == VBLK || vp->v_type == VCHR)
+ return (EOPNOTSUPP);
+
/*
* Disallow write attempts on read-only file systems;
* unless the file is a socket, fifo, or a block or
@@ -1489,83 +1473,6 @@ ext2_print(ap)
}
/*
- * Read wrapper for special devices.
- */
-static int
-ext2spec_read(ap)
- struct vop_read_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- int error, resid;
- struct inode *ip;
- struct uio *uio;
-
- uio = ap->a_uio;
- resid = uio->uio_resid;
- error = VOCALL(spec_vnodeop_p, VOFFSET(vop_read), ap);
- /*
- * The inode may have been revoked during the call, so it must not
- * be accessed blindly here or in the other wrapper functions.
- */
- ip = VTOI(ap->a_vp);
- if (ip != NULL && (uio->uio_resid != resid || (error == 0 && resid != 0)))
- ip->i_flag |= IN_ACCESS;
- return (error);
-}
-
-/*
- * Write wrapper for special devices.
- */
-static int
-ext2spec_write(ap)
- struct vop_write_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- int error, resid;
- struct inode *ip;
- struct uio *uio;
-
- uio = ap->a_uio;
- resid = uio->uio_resid;
- error = VOCALL(spec_vnodeop_p, VOFFSET(vop_write), ap);
- ip = VTOI(ap->a_vp);
- if (ip != NULL && (uio->uio_resid != resid || (error == 0 && resid != 0)))
- VTOI(ap->a_vp)->i_flag |= IN_CHANGE | IN_UPDATE;
- return (error);
-}
-
-/*
- * Close wrapper for special devices.
- *
- * Update the times on the inode then do device close.
- */
-static int
-ext2spec_close(ap)
- struct vop_close_args /* {
- struct vnode *a_vp;
- int a_fflag;
- struct ucred *a_cred;
- struct thread *a_td;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
-
- VI_LOCK(vp);
- if (vp->v_usecount > 1)
- ext2_itimes(vp);
- VI_UNLOCK(vp);
- return (VOCALL(spec_vnodeop_p, VOFFSET(vop_close), ap));
-}
-
-/*
* Read wrapper for fifos.
*/
static int
@@ -1716,9 +1623,8 @@ ext2_advlock(ap)
* vnodes.
*/
int
-ext2_vinit(mntp, specops, fifoops, vpp)
+ext2_vinit(mntp, fifoops, vpp)
struct mount *mntp;
- vop_t **specops;
vop_t **fifoops;
struct vnode **vpp;
{
@@ -1727,22 +1633,10 @@ ext2_vinit(mntp, specops, fifoops, vpp)
vp = *vpp;
ip = VTOI(vp);
- switch(vp->v_type = IFTOVT(ip->i_mode)) {
- case VBLK:
- vp->v_op = specops;
- break;
- case VCHR:
- vp->v_op = specops;
- vp = addaliasu(vp, ip->i_rdev);
- ip->i_vnode = vp;
- break;
- case VFIFO:
+ vp->v_type = IFTOVT(ip->i_mode);
+ if (vp->v_type == VFIFO)
vp->v_op = fifoops;
- break;
- default:
- break;
-
- }
+
if (ip->i_number == ROOTINO)
vp->v_vflag |= VV_ROOT;
ip->i_modrev = init_va_filerev();
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