Differential D23884 Diff 69037 head/sys/ufs/ffs/ffs_alloc.c

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head/sys/ufs/ffs/ffs_alloc.c

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{		{
struct thread *td = curthread;		struct thread *td = curthread;
struct fsck_cmd cmd;		struct fsck_cmd cmd;
struct ufsmount *ump;		struct ufsmount *ump;
struct vnode vp, dvp, *fdvp;		struct vnode vp, dvp, *fdvp;
struct inode ip, dp;		struct inode ip, dp;
struct mount *mp;		struct mount *mp;
struct fs *fs;		struct fs *fs;
		struct pwd *pwd;
ufs2_daddr_t blkno;		ufs2_daddr_t blkno;
long blkcnt, blksize;		long blkcnt, blksize;
u_long key;		u_long key;
struct file fp, vfp;		struct file fp, vfp;
cap_rights_t rights;		cap_rights_t rights;
int filetype, error;		int filetype, error;
static struct fileops *origops, bufferedops;		static struct fileops *origops, bufferedops;

▲ Show 20 Lines • Show All 242 Lines • ▼ Show 20 Lines	#endif /* DIAGNOSTIC */
* to which ".." points.		* to which ".." points.
*/		*/
error = ffs_vget(mp, (ino_t)cmd.value, LK_EXCLUSIVE, &fdvp);		error = ffs_vget(mp, (ino_t)cmd.value, LK_EXCLUSIVE, &fdvp);
if (error)		if (error)
break;		break;
/*		/*
* Now we get and lock the child directory containing "..".		* Now we get and lock the child directory containing "..".
*/		*/
FILEDESC_SLOCK(td->td_proc->p_fd);		pwd = pwd_hold(td);
dvp = td->td_proc->p_fd->fd_cdir;		dvp = pwd->pwd_cdir;
FILEDESC_SUNLOCK(td->td_proc->p_fd);
if ((error = vget(dvp, LK_EXCLUSIVE, td)) != 0) {		if ((error = vget(dvp, LK_EXCLUSIVE, td)) != 0) {
vput(fdvp);		vput(fdvp);
		pwd_drop(pwd);
break;		break;
}		}
dp = VTOI(dvp);		dp = VTOI(dvp);
dp->i_offset = 12; /* XXX mastertemplate.dot_reclen */		dp->i_offset = 12; /* XXX mastertemplate.dot_reclen */
error = ufs_dirrewrite(dp, VTOI(fdvp), (ino_t)cmd.size,		error = ufs_dirrewrite(dp, VTOI(fdvp), (ino_t)cmd.size,
DT_DIR, 0);		DT_DIR, 0);
cache_purge(fdvp);		cache_purge(fdvp);
cache_purge(dvp);		cache_purge(dvp);
vput(dvp);		vput(dvp);
vput(fdvp);		vput(fdvp);
		pwd_drop(pwd);
break;		break;

case FFS_UNLINK:		case FFS_UNLINK:
#ifdef DIAGNOSTIC		#ifdef DIAGNOSTIC
if (fsckcmds) {		if (fsckcmds) {
char buf[32];		char buf[32];

if (copyinstr((char *)(intptr_t)cmd.value, buf,32,NULL))		if (copyinstr((char *)(intptr_t)cmd.value, buf,32,NULL))
▲ Show 20 Lines • Show All 128 Lines • ▼ Show 20 Lines	buffered_write(fp, uio, active_cred, flags, td)
* on the application setting the current directory to a location		* on the application setting the current directory to a location
* within the filesystem being written. Yes, this is an ugly hack.		* within the filesystem being written. Yes, this is an ugly hack.
*/		*/
devvp = fp->f_vnode;		devvp = fp->f_vnode;
if (!vn_isdisk(devvp, NULL))		if (!vn_isdisk(devvp, NULL))
return (EINVAL);		return (EINVAL);
fdp = td->td_proc->p_fd;		fdp = td->td_proc->p_fd;
FILEDESC_SLOCK(fdp);		FILEDESC_SLOCK(fdp);
vp = fdp->fd_cdir;		vp = fdp->fd_pwd->pwd_cdir;
vref(vp);		vref(vp);
FILEDESC_SUNLOCK(fdp);		FILEDESC_SUNLOCK(fdp);
vn_lock(vp, LK_SHARED \| LK_RETRY);		vn_lock(vp, LK_SHARED \| LK_RETRY);
/*		/*
* Check that the current directory vnode indeed belongs to		* Check that the current directory vnode indeed belongs to
* UFS before trying to dereference UFS-specific v_data fields.		* UFS before trying to dereference UFS-specific v_data fields.
*/		*/
if (vp->v_op != &ffs_vnodeops1 && vp->v_op != &ffs_vnodeops2) {		if (vp->v_op != &ffs_vnodeops1 && vp->v_op != &ffs_vnodeops2) {
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