Add extra argument to VOP_BMAP.

[unix-history] / usr / src / sys / ufs / ffs / ufs_vnops.c

diff --git a/usr/src/sys/ufs/ffs/ufs_vnops.c b/usr/src/sys/ufs/ffs/ufs_vnops.c
index b4fb50b..a1818b5 100644 (file)
--- a/usr/src/sys/ufs/ffs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ffs/ufs_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)ufs_vnops.c 7.99 (Berkeley) %G%
+ *     @(#)ufs_vnops.c 7.109 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -19,12 +19,13 @@
 #include <sys/conf.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 #include <sys/conf.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>

-#include <sys/specdev.h>
-#include <sys/fifo.h>

 #include <sys/malloc.h>
 #include <sys/malloc.h>

+#include <sys/dirent.h>

 
 #include <vm/vm.h>
 
 
 #include <vm/vm.h>
 

+#include <miscfs/specfs/specdev.h>
+

 #include <ufs/ufs/lockf.h>
 #include <ufs/ufs/quota.h>
 #include <ufs/ufs/inode.h>
 #include <ufs/ufs/lockf.h>
 #include <ufs/ufs/quota.h>
 #include <ufs/ufs/inode.h>


@@ -173,7 +174,6 @@ ufs_access(ap)
                struct proc *a_p;
        } */ *ap;
 {
                struct proc *a_p;
        } */ *ap;
 {

-       USES_VOP_ISLOCKED;

        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);
        register struct ucred *cred = ap->a_cred;
        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);
        register struct ucred *cred = ap->a_cred;


@@ -277,8 +277,6 @@ ufs_setattr(ap)
                struct proc *a_p;
        } */ *ap;
 {
                struct proc *a_p;
        } */ *ap;
 {

-       USES_VOP_TRUNCATE;
-       USES_VOP_UPDATE;

        register struct vattr *vap = ap->a_vap;
        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);
        register struct vattr *vap = ap->a_vap;
        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);


@@ -316,8 +314,7 @@ ufs_setattr(ap)
                if (vap->va_atime.ts_sec != VNOVAL)
                        ip->i_flag |= IACC;
                if (vap->va_mtime.ts_sec != VNOVAL)
                if (vap->va_atime.ts_sec != VNOVAL)
                        ip->i_flag |= IACC;
                if (vap->va_mtime.ts_sec != VNOVAL)

-                       ip->i_flag |= IUPD;
-               ip->i_flag |= ICHG;
+                       ip->i_flag |= IUPD | ICHG;

                atimeval.tv_sec = vap->va_atime.ts_sec;
                atimeval.tv_usec = vap->va_atime.ts_nsec / 1000;
                mtimeval.tv_sec = vap->va_mtime.ts_sec;
                atimeval.tv_sec = vap->va_atime.ts_sec;
                atimeval.tv_usec = vap->va_atime.ts_nsec / 1000;
                mtimeval.tv_sec = vap->va_mtime.ts_sec;


@@ -595,12 +592,11 @@ ufs_link(ap)
                struct componentname *a_cnp;
        } */ *ap;
 {
                struct componentname *a_cnp;
        } */ *ap;
 {

-       USES_VOP_UPDATE;
-       USES_VOP_ABORTOP;

        register struct vnode *vp = ap->a_vp;
        register struct vnode *tdvp = ap->a_tdvp;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip;
        register struct vnode *vp = ap->a_vp;
        register struct vnode *tdvp = ap->a_tdvp;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip;

+       struct timeval tv;

        int error;
 
        if (vp->v_mount != tdvp->v_mount) {
        int error;
 
        if (vp->v_mount != tdvp->v_mount) {


@@ -625,7 +621,8 @@ ufs_link(ap)
                ILOCK(ip);
        ip->i_nlink++;
        ip->i_flag |= ICHG;
                ILOCK(ip);
        ip->i_nlink++;
        ip->i_flag |= ICHG;

-       error = VOP_UPDATE(tdvp, &time, &time, 1);
+       tv = time;
+       error = VOP_UPDATE(tdvp, &tv, &tv, 1);

        if (!error)
                error = ufs_direnter(ip, vp, cnp);
        if (vp != tdvp)
        if (!error)
                error = ufs_direnter(ip, vp, cnp);
        if (vp != tdvp)


@@ -650,9 +647,6 @@ relookup(dvp, vpp, cnp)
        struct vnode *dvp, **vpp;
        struct componentname *cnp;
 {
        struct vnode *dvp, **vpp;
        struct componentname *cnp;
 {

-       USES_VOP_LOCK;
-       USES_VOP_LOOKUP;
-       USES_VOP_UNLOCK;

        register struct vnode *dp = 0;  /* the directory we are searching */
        struct vnode *tdp;              /* saved dp */
        struct mount *mp;               /* mount table entry */
        register struct vnode *dp = 0;  /* the directory we are searching */
        struct vnode *tdp;              /* saved dp */
        struct mount *mp;               /* mount table entry */


@@ -833,12 +827,6 @@ ufs_rename(ap)
                struct componentname *a_tcnp;
        } */ *ap;
 {
                struct componentname *a_tcnp;
        } */ *ap;
 {

-       USES_VOP_ABORTOP;
-       USES_VOP_ACCESS;
-       USES_VOP_LOCK;
-       USES_VOP_TRUNCATE;
-       USES_VOP_UNLOCK;
-       USES_VOP_UPDATE;

        struct vnode *tvp = ap->a_tvp;
        register struct vnode *tdvp = ap->a_tdvp;
        struct vnode *fvp = ap->a_fvp;
        struct vnode *tvp = ap->a_tvp;
        register struct vnode *tdvp = ap->a_tdvp;
        struct vnode *fvp = ap->a_fvp;


@@ -847,9 +835,11 @@ ufs_rename(ap)
        register struct componentname *fcnp = ap->a_fcnp;
        register struct inode *ip, *xp, *dp;
        struct dirtemplate dirbuf;
        register struct componentname *fcnp = ap->a_fcnp;
        register struct inode *ip, *xp, *dp;
        struct dirtemplate dirbuf;

+       struct timeval tv;

        int doingdirectory = 0, oldparent = 0, newparent = 0;
        int error = 0;
        int fdvpneedsrele = 1, tdvpneedsrele = 1;
        int doingdirectory = 0, oldparent = 0, newparent = 0;
        int error = 0;
        int fdvpneedsrele = 1, tdvpneedsrele = 1;

+       u_char namlen;

 
        /* Check for cross-device rename */
        if ((fvp->v_mount != tdvp->v_mount) ||
 
        /* Check for cross-device rename */
        if ((fvp->v_mount != tdvp->v_mount) ||


@@ -921,7 +911,8 @@ ufs_rename(ap)
         */
        ip->i_nlink++;
        ip->i_flag |= ICHG;
         */
        ip->i_nlink++;
        ip->i_flag |= ICHG;

-       error = VOP_UPDATE(fvp, &time, &time, 1);
+       tv = time;
+       error = VOP_UPDATE(fvp, &tv, &tv, 1);

        IUNLOCK(ip);
 
        /*
        IUNLOCK(ip);
 
        /*


@@ -986,14 +977,14 @@ ufs_rename(ap)
                        }
                        dp->i_nlink++;
                        dp->i_flag |= ICHG;
                        }
                        dp->i_nlink++;
                        dp->i_flag |= ICHG;

-                       if (error = VOP_UPDATE(ITOV(dp), &time, &time, 1))
+                       if (error = VOP_UPDATE(ITOV(dp), &tv, &tv, 1))

                                goto bad;
                }
                if (error = ufs_direnter(ip, tdvp, tcnp)) {
                        if (doingdirectory && newparent) {
                                dp->i_nlink--;
                                dp->i_flag |= ICHG;
                                goto bad;
                }
                if (error = ufs_direnter(ip, tdvp, tcnp)) {
                        if (doingdirectory && newparent) {
                                dp->i_nlink--;
                                dp->i_flag |= ICHG;

-                               (void)VOP_UPDATE(ITOV(dp), &time, &time, 1);
+                               (void)VOP_UPDATE(ITOV(dp), &tv, &tv, 1);

                        }
                        goto bad;
                }
                        }
                        goto bad;
                }


@@ -1123,7 +1114,15 @@ unlinkit:
                                UIO_SYSSPACE, IO_NODELOCKED, 
                                tcnp->cn_cred, (int *)0, (struct proc *)0);
                        if (error == 0) {
                                UIO_SYSSPACE, IO_NODELOCKED, 
                                tcnp->cn_cred, (int *)0, (struct proc *)0);
                        if (error == 0) {

-                               if (dirbuf.dotdot_namlen != 2 ||
+#                              if (BYTE_ORDER == LITTLE_ENDIAN)
+                                       if (fvp->v_mount->mnt_maxsymlinklen <= 0)
+                                               namlen = dirbuf.dotdot_type;
+                                       else
+                                               namlen = dirbuf.dotdot_namlen;
+#                              else
+                                       namlen = dirbuf.dotdot_namlen;
+#                              endif
+                               if (namlen != 2 ||

                                    dirbuf.dotdot_name[0] != '.' ||
                                    dirbuf.dotdot_name[1] != '.') {
                                        ufs_dirbad(xp, (doff_t)12,
                                    dirbuf.dotdot_name[0] != '.' ||
                                    dirbuf.dotdot_name[1] != '.') {
                                        ufs_dirbad(xp, (doff_t)12,


@@ -1170,6 +1169,10 @@ out:
  * A virgin directory (no blushing please).
  */
 static struct dirtemplate mastertemplate = {
  * A virgin directory (no blushing please).
  */
 static struct dirtemplate mastertemplate = {

+       0, 12, DT_DIR, 1, ".",
+       0, DIRBLKSIZ - 12, DT_DIR, 2, ".."
+};
+static struct odirtemplate omastertemplate = {

        0, 12, 1, ".",
        0, DIRBLKSIZ - 12, 2, ".."
 };
        0, 12, 1, ".",
        0, DIRBLKSIZ - 12, 2, ".."
 };


@@ -1186,17 +1189,14 @@ ufs_mkdir(ap)
                struct vattr *a_vap;
        } */ *ap;
 {
                struct vattr *a_vap;
        } */ *ap;
 {

-       USES_VOP_UPDATE;
-       USES_VOP_VALLOC;
-       USES_VOP_VFREE;

        register struct vnode *dvp = ap->a_dvp;
        register struct vattr *vap = ap->a_vap;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip, *dp;
        struct vnode *tvp;
        register struct vnode *dvp = ap->a_dvp;
        register struct vattr *vap = ap->a_vap;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip, *dp;
        struct vnode *tvp;

-       struct dirtemplate dirtemplate;
-       int error;
-       int dmode;
+       struct dirtemplate dirtemplate, *dtp;
+       struct timeval tv;
+       int error, dmode;

 
 #ifdef DIAGNOSTIC
        if ((cnp->cn_flags & HASBUF) == 0)
 
 #ifdef DIAGNOSTIC
        if ((cnp->cn_flags & HASBUF) == 0)


@@ -1237,7 +1237,8 @@ ufs_mkdir(ap)
        ip->i_mode = dmode;
        ITOV(ip)->v_type = VDIR;        /* Rest init'd in iget() */
        ip->i_nlink = 2;
        ip->i_mode = dmode;
        ITOV(ip)->v_type = VDIR;        /* Rest init'd in iget() */
        ip->i_nlink = 2;

-       error = VOP_UPDATE(ITOV(ip), &time, &time, 1);
+       tv = time;
+       error = VOP_UPDATE(ITOV(ip), &tv, &tv, 1);

 
        /*
         * Bump link count in parent directory
 
        /*
         * Bump link count in parent directory


@@ -1247,11 +1248,15 @@ ufs_mkdir(ap)
         */
        dp->i_nlink++;
        dp->i_flag |= ICHG;
         */
        dp->i_nlink++;
        dp->i_flag |= ICHG;

-       if (error = VOP_UPDATE(ITOV(dp), &time, &time, 1))
+       if (error = VOP_UPDATE(ITOV(dp), &tv, &tv, 1))

                goto bad;
 
        /* Initialize directory with "." and ".." from static template. */
                goto bad;
 
        /* Initialize directory with "." and ".." from static template. */

-       dirtemplate = mastertemplate;
+       if (dvp->v_mount->mnt_maxsymlinklen > 0)
+               dtp = &mastertemplate;
+       else
+               dtp = (struct dirtemplate *)&omastertemplate;
+       dirtemplate = *dtp;

        dirtemplate.dot_ino = ip->i_number;
        dirtemplate.dotdot_ino = dp->i_number;
        error = vn_rdwr(UIO_WRITE, ITOV(ip), (caddr_t)&dirtemplate,
        dirtemplate.dot_ino = ip->i_number;
        dirtemplate.dotdot_ino = dp->i_number;
        error = vn_rdwr(UIO_WRITE, ITOV(ip), (caddr_t)&dirtemplate,


@@ -1296,13 +1301,11 @@ bad:
 int
 ufs_rmdir(ap)
        struct vop_rmdir_args /* {
 int
 ufs_rmdir(ap)
        struct vop_rmdir_args /* {

-               struct vnodeop_desc *a_desc;

                struct vnode *a_dvp;
                struct vnode *a_vp;
                struct componentname *a_cnp;
        } */ *ap;
 {
                struct vnode *a_dvp;
                struct vnode *a_vp;
                struct componentname *a_cnp;
        } */ *ap;
 {

-       USES_VOP_TRUNCATE;

        register struct vnode *dvp = ap->a_dvp;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip, *dp;
        register struct vnode *dvp = ap->a_dvp;
        register struct componentname *cnp = ap->a_cnp;
        register struct inode *ip, *dp;


@@ -1417,7 +1420,6 @@ ufs_readdir(ap)
                struct ucred *a_cred;
        } */ *ap;
 {
                struct ucred *a_cred;
        } */ *ap;
 {

-       USES_VOP_READ;

        register struct uio *uio = ap->a_uio;
        int count, lost, error;
 
        register struct uio *uio = ap->a_uio;
        int count, lost, error;
 


@@ -1428,7 +1430,48 @@ ufs_readdir(ap)
                return (EINVAL);
        uio->uio_resid = count;
        uio->uio_iov->iov_len = count;
                return (EINVAL);
        uio->uio_resid = count;
        uio->uio_iov->iov_len = count;

-       error = VOP_READ(ap->a_vp, uio, 0, ap->a_cred);
+#      if (BYTE_ORDER == LITTLE_ENDIAN)
+               if (ap->a_vp->v_mount->mnt_maxsymlinklen > 0) {
+                       error = VOP_READ(ap->a_vp, uio, 0, ap->a_cred);
+               } else {
+                       struct dirent *dp, *edp;
+                       struct uio auio;
+                       struct iovec aiov;
+                       caddr_t dirbuf;
+                       int readcnt;
+                       u_char tmp;
+
+                       auio = *uio;
+                       auio.uio_iov = &aiov;
+                       auio.uio_iovcnt = 1;
+                       auio.uio_segflg = UIO_SYSSPACE;
+                       aiov.iov_len = count;
+                       MALLOC(dirbuf, caddr_t, count, M_TEMP, M_WAITOK);
+                       aiov.iov_base = dirbuf;
+                       error = VOP_READ(ap->a_vp, &auio, 0, ap->a_cred);
+                       if (error == 0) {
+                               readcnt = count - auio.uio_resid;
+                               edp = (struct dirent *)&dirbuf[readcnt];
+                               for (dp = (struct dirent *)dirbuf; dp < edp; ) {
+                                       tmp = dp->d_namlen;
+                                       dp->d_namlen = dp->d_type;
+                                       dp->d_type = tmp;
+                                       if (dp->d_reclen > 0) {
+                                               dp = (struct dirent *)
+                                                   ((char *)dp + dp->d_reclen);
+                                       } else {
+                                               error = EIO;
+                                               break;
+                                       }
+                               }
+                               if (dp >= edp)
+                                       error = uiomove(dirbuf, readcnt, uio);
+                       }
+                       FREE(dirbuf, M_TEMP);
+               }
+#      else
+               error = VOP_READ(ap->a_vp, uio, 0, ap->a_cred);
+#      endif

        uio->uio_resid += lost;
        return (error);
 }
        uio->uio_resid += lost;
        return (error);
 }


@@ -1446,10 +1489,11 @@ ufs_readlink(ap)
 {
        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);
 {
        register struct vnode *vp = ap->a_vp;
        register struct inode *ip = VTOI(vp);

-       USES_VOP_READ;
+       int isize;

 
 

-       if (ip->i_size < vp->v_mount->mnt_maxsymlinklen) {
-               uiomove((char *)ip->i_shortlink, (int)ip->i_size, ap->a_uio);
+       isize = ip->i_size;
+       if (isize < vp->v_mount->mnt_maxsymlinklen) {
+               uiomove((char *)ip->i_shortlink, isize, ap->a_uio);

                return (0);
        }
        return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred));
                return (0);
        }
        return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred));


@@ -1529,7 +1573,6 @@ ufs_strategy(ap)
                struct buf *a_bp;
        } */ *ap;
 {
                struct buf *a_bp;
        } */ *ap;
 {

-       USES_VOP_BMAP;

        register struct buf *bp = ap->a_bp;
        register struct vnode *vp = bp->b_vp;
        register struct inode *ip;
        register struct buf *bp = ap->a_bp;
        register struct vnode *vp = bp->b_vp;
        register struct inode *ip;


@@ -1540,7 +1583,7 @@ ufs_strategy(ap)
                panic("ufs_strategy: spec");
        if (bp->b_blkno == bp->b_lblkno) {
                if (error =
                panic("ufs_strategy: spec");
        if (bp->b_blkno == bp->b_lblkno) {
                if (error =

-                   VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno)) {
+                   VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL)) {

                        bp->b_error = error;
                        bp->b_flags |= B_ERROR;
                        biodone(bp);
                        bp->b_error = error;
                        bp->b_flags |= B_ERROR;
                        biodone(bp);


@@ -1599,7 +1642,6 @@ ufsspec_read(ap)
                struct ucred *a_cred;
        } */ *ap;
 {
                struct ucred *a_cred;
        } */ *ap;
 {

-       extern int (**spec_vnodeop_p)();

 
        /*
         * Set access flag.
 
        /*
         * Set access flag.


@@ -1620,7 +1662,6 @@ ufsspec_write(ap)
                struct ucred *a_cred;
        } */ *ap;
 {
                struct ucred *a_cred;
        } */ *ap;
 {

-       extern int (**spec_vnodeop_p)();

 
        /*
         * Set update and change flags.
 
        /*
         * Set update and change flags.


@@ -1643,7 +1684,6 @@ ufsspec_close(ap)
                struct proc *a_p;
        } */ *ap;
 {
                struct proc *a_p;
        } */ *ap;
 {

-       extern int (**spec_vnodeop_p)();

        register struct inode *ip = VTOI(ap->a_vp);
 
        if (ap->a_vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
        register struct inode *ip = VTOI(ap->a_vp);
 
        if (ap->a_vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))


@@ -1818,9 +1858,8 @@ ufs_vinit(mntp, specops, fifoops, vpp)
        int (**fifoops)();
        struct vnode **vpp;
 {
        int (**fifoops)();
        struct vnode **vpp;
 {

-       struct inode *ip, *nip;
+       struct inode *ip;

        struct vnode *vp, *nvp;
        struct vnode *vp, *nvp;

-       extern int (**spec_vnodeop_p)();

 
        vp = *vpp;
        ip = VTOI(vp);
 
        vp = *vpp;
        ip = VTOI(vp);


@@ -1832,7 +1871,7 @@ ufs_vinit(mntp, specops, fifoops, vpp)
                        /*
                         * Discard unneeded vnode, but save its inode.
                         */
                        /*
                         * Discard unneeded vnode, but save its inode.
                         */

-                       remque(ip);
+                       ufs_ihashrem(ip);

                        IUNLOCK(ip);
                        nvp->v_data = vp->v_data;
                        vp->v_data = NULL;
                        IUNLOCK(ip);
                        nvp->v_data = vp->v_data;
                        vp->v_data = NULL;


@@ -1876,10 +1915,8 @@ ufs_makeinode(mode, dvp, vpp, cnp)
        struct vnode **vpp;
        struct componentname *cnp;
 {
        struct vnode **vpp;
        struct componentname *cnp;
 {

-       USES_VOP_UPDATE;
-       USES_VOP_VALLOC;
-       USES_VOP_VFREE;

        register struct inode *ip, *pdir;
        register struct inode *ip, *pdir;

+       struct timeval tv;

        struct vnode *tvp;
        int error;
 
        struct vnode *tvp;
        int error;
 


@@ -1921,7 +1958,8 @@ ufs_makeinode(mode, dvp, vpp, cnp)
        /*
         * Make sure inode goes to disk before directory entry.
         */
        /*
         * Make sure inode goes to disk before directory entry.
         */

-       if (error = VOP_UPDATE(tvp, &time, &time, 1))
+       tv = time;
+       if (error = VOP_UPDATE(tvp, &tv, &tv, 1))

                goto bad;
        if (error = ufs_direnter(ip, dvp, cnp))
                goto bad;
                goto bad;
        if (error = ufs_direnter(ip, dvp, cnp))
                goto bad;