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File: [cvs.NetBSD.org] / src / sys / ufs / ffs / ffs_quota2.c (download)
Revision 1.6, Thu Jul 7 06:55:44 2016 UTC (7 years, 8 months ago) by msaitoh
KNF. Remove extra spaces. No functional change. |
/* $NetBSD: ffs_quota2.c,v 1.6 2016/07/07 06:55:44 msaitoh Exp $ */ /*- * Copyright (c) 2010 Manuel Bouyer * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: ffs_quota2.c,v 1.6 2016/07/07 06:55:44 msaitoh Exp $"); #include <sys/param.h> #include <sys/kernel.h> #include <sys/systm.h> #include <sys/namei.h> #include <sys/file.h> #include <sys/vnode.h> #include <sys/mount.h> #include <sys/kauth.h> #include <ufs/ufs/quota2.h> #include <ufs/ufs/inode.h> #include <ufs/ufs/ufsmount.h> #include <ufs/ffs/ffs_extern.h> #include <ufs/ffs/fs.h> int ffs_quota2_mount(struct mount *mp) { struct ufsmount *ump = VFSTOUFS(mp); struct fs *fs = ump->um_fs; int error; struct vnode *vp; struct lwp *l = curlwp; if ((fs->fs_flags & FS_DOQUOTA2) == 0) return 0; ump->um_flags |= UFS_QUOTA2; ump->umq2_bsize = fs->fs_bsize; ump->umq2_bmask = fs->fs_qbmask; if (fs->fs_quota_magic != Q2_HEAD_MAGIC) { printf("%s: invalid quota magic number\n", mp->mnt_stat.f_mntonname); return EINVAL; } if ((fs->fs_quota_flags & FS_Q2_DO_TYPE(USRQUOTA)) && fs->fs_quotafile[USRQUOTA] == 0) { printf("%s: no user quota inode\n", mp->mnt_stat.f_mntonname); return EINVAL; } if ((fs->fs_quota_flags & FS_Q2_DO_TYPE(GRPQUOTA)) && fs->fs_quotafile[GRPQUOTA] == 0) { printf("%s: no group quota inode\n", mp->mnt_stat.f_mntonname); return EINVAL; } if (fs->fs_quota_flags & FS_Q2_DO_TYPE(USRQUOTA) && ump->um_quotas[USRQUOTA] == NULLVP) { error = VFS_VGET(mp, fs->fs_quotafile[USRQUOTA], &vp); if (error) { printf("%s: can't vget() user quota inode: %d\n", mp->mnt_stat.f_mntonname, error); return error; } ump->um_quotas[USRQUOTA] = vp; ump->um_cred[USRQUOTA] = l->l_cred; mutex_enter(vp->v_interlock); vp->v_writecount++; mutex_exit(vp->v_interlock); VOP_UNLOCK(vp); } if (fs->fs_quota_flags & FS_Q2_DO_TYPE(GRPQUOTA) && ump->um_quotas[GRPQUOTA] == NULLVP) { error = VFS_VGET(mp, fs->fs_quotafile[GRPQUOTA], &vp); if (error) { vn_close(ump->um_quotas[USRQUOTA], FREAD|FWRITE, l->l_cred); printf("%s: can't vget() group quota inode: %d\n", mp->mnt_stat.f_mntonname, error); return error; } ump->um_quotas[GRPQUOTA] = vp; ump->um_cred[GRPQUOTA] = l->l_cred; mutex_enter(vp->v_interlock); vp->v_vflag |= VV_SYSTEM; vp->v_writecount++; mutex_exit(vp->v_interlock); VOP_UNLOCK(vp); } mp->mnt_flag |= MNT_QUOTA; return 0; }