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- /*-
- * Copyright (c) 1989, 1991, 1993, 1994
- * The Regents of the University of California. 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.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * @(#)ffs_vfsops.c 8.31 (Berkeley) 5/20/95
- */
- #include <limits.h>
- #include "u.h"
- #include "../port/lib.h"
- #include "mem.h"
- #include "dat.h"
- #include "../port/portfns.h"
- #include <ufs/ufsdat.h>
- #include <ufs/freebsd_util.h>
- #include "ufs_ext.h"
- #include "ufs_mountpoint.h"
- #include "ufs_harvey.h"
- //#include "dir.h"
- //#include "extattr.h"
- #include "ufs/quota.h"
- #include "ufs/inode.h"
- #include "softdep.h"
- #include "ufs/dinode.h"
- #include "ufs_extern.h"
- #include "ufs/fs.h"
- #include "ffs_extern.h"
- #include "ufs/ufsmount.h"
- //static uma_zone_t uma_inode, uma_ufs1, uma_ufs2;
- static int ffs_mountfs(vnode *, MountPoint *, thread *);
- static void ffs_ifree(ufsmount *ump, inode *ip);
- #if 0
- static int ffs_sync_lazy(struct mount *mp);
- static vfs_init_t ffs_init;
- static vfs_uninit_t ffs_uninit;
- static vfs_extattrctl_t ffs_extattrctl;
- static vfs_cmount_t ffs_cmount;
- static vfs_unmount_t ffs_unmount;
- static vfs_mount_t ffs_mount;
- static vfs_statfs_t ffs_statfs;
- static vfs_fhtovp_t ffs_fhtovp;
- static vfs_sync_t ffs_sync;
- VFS_SET(ufs_vfsops, ufs, 0);
- MODULE_VERSION(ufs, 1);
- static b_strategy_t ffs_geom_strategy;
- static b_write_t ffs_bufwrite;
- /*
- * Note that userquota and groupquota options are not currently used
- * by UFS/FFS code and generally mount(8) does not pass those options
- * from userland, but they can be passed by loader(8) via
- * vfs.root.mountfrom.options.
- */
- static const char *ffs_opts[] = { "acls", "async", "noatime", "noclusterr",
- "noclusterw", "noexec", "export", "force", "from", "groupquota",
- "multilabel", "nfsv4acls", "fsckpid", "snapshot", "nosuid", "suiddir",
- "nosymfollow", "sync", "union", "userquota", nil };
- #endif // 0
- int
- ffs_mount(MountPoint *mp)
- {
- vnode *devvp = nil;
- thread *td = nil;
- int error;
- #if 0
- struct ufsmount *ump = nil;
- struct fs *fs;
- pid_t fsckpid = 0;
- int error, error1, flags;
- uint64_t mntorflags;
- accmode_t accmode;
- struct nameidata ndp;
- char *fspec;
- td = curthread;
- if (vfs_filteropt(mp->mnt_optnew, ffs_opts))
- return (EINVAL);
- if (uma_inode == nil) {
- uma_inode = uma_zcreate("FFS inode",
- sizeof(struct inode), nil, nil, nil, nil,
- UMA_ALIGN_PTR, 0);
- uma_ufs1 = uma_zcreate("FFS1 dinode",
- sizeof(struct ufs1_dinode), nil, nil, nil, nil,
- UMA_ALIGN_PTR, 0);
- uma_ufs2 = uma_zcreate("FFS2 dinode",
- sizeof(struct ufs2_dinode), nil, nil, nil, nil,
- UMA_ALIGN_PTR, 0);
- }
- vfs_deleteopt(mp->mnt_optnew, "groupquota");
- vfs_deleteopt(mp->mnt_optnew, "userquota");
- fspec = vfs_getopts(mp->mnt_optnew, "from", &error);
- if (error)
- return (error);
- mntorflags = 0;
- if (vfs_getopt(mp->mnt_optnew, "acls", nil, nil) == 0)
- mntorflags |= MNT_ACLS;
- if (vfs_getopt(mp->mnt_optnew, "snapshot", nil, nil) == 0) {
- mntorflags |= MNT_SNAPSHOT;
- /*
- * Once we have set the MNT_SNAPSHOT flag, do not
- * persist "snapshot" in the options list.
- */
- vfs_deleteopt(mp->mnt_optnew, "snapshot");
- vfs_deleteopt(mp->mnt_opt, "snapshot");
- }
- if (vfs_getopt(mp->mnt_optnew, "fsckpid", nil, nil) == 0 &&
- vfs_scanopt(mp->mnt_optnew, "fsckpid", "%d", &fsckpid) == 1) {
- /*
- * Once we have set the restricted PID, do not
- * persist "fsckpid" in the options list.
- */
- vfs_deleteopt(mp->mnt_optnew, "fsckpid");
- vfs_deleteopt(mp->mnt_opt, "fsckpid");
- if (mp->mnt_flag & MNT_UPDATE) {
- if (VFSTOUFS(mp)->um_fs->fs_ronly == 0 &&
- vfs_flagopt(mp->mnt_optnew, "ro", nil, 0) == 0) {
- vfs_mount_error(mp,
- "Checker enable: Must be read-only");
- return (EINVAL);
- }
- } else if (vfs_flagopt(mp->mnt_optnew, "ro", nil, 0) == 0) {
- vfs_mount_error(mp,
- "Checker enable: Must be read-only");
- return (EINVAL);
- }
- /* Set to -1 if we are done */
- if (fsckpid == 0)
- fsckpid = -1;
- }
- if (vfs_getopt(mp->mnt_optnew, "nfsv4acls", nil, nil) == 0) {
- if (mntorflags & MNT_ACLS) {
- vfs_mount_error(mp,
- "\"acls\" and \"nfsv4acls\" options "
- "are mutually exclusive");
- return (EINVAL);
- }
- mntorflags |= MNT_NFS4ACLS;
- }
- MNT_ILOCK(mp);
- mp->mnt_flag |= mntorflags;
- MNT_IUNLOCK(mp);
- /*
- * If updating, check whether changing from read-only to
- * read/write; if there is no device name, that's all we do.
- */
- if (mp->mnt_flag & MNT_UPDATE) {
- ump = VFSTOUFS(mp);
- fs = ump->um_fs;
- devvp = ump->um_devvp;
- if (fsckpid == -1 && ump->um_fsckpid > 0) {
- if ((error = ffs_flushfiles(mp, WRITECLOSE, td)) != 0 ||
- (error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0)
- return (error);
- g_topology_lock();
- /*
- * Return to normal read-only mode.
- */
- error = g_access(ump->um_cp, 0, -1, 0);
- g_topology_unlock();
- ump->um_fsckpid = 0;
- }
- if (fs->fs_ronly == 0 &&
- vfs_flagopt(mp->mnt_optnew, "ro", nil, 0)) {
- /*
- * Flush any dirty data and suspend filesystem.
- */
- if ((error = vn_start_write(nil, &mp, V_WAIT)) != 0)
- return (error);
- error = vfs_write_suspend_umnt(mp);
- if (error != 0)
- return (error);
- /*
- * Check for and optionally get rid of files open
- * for writing.
- */
- flags = WRITECLOSE;
- if (mp->mnt_flag & MNT_FORCE)
- flags |= FORCECLOSE;
- if (MOUNTEDSOFTDEP(mp)) {
- error = softdep_flushfiles(mp, flags, td);
- } else {
- error = ffs_flushfiles(mp, flags, td);
- }
- if (error) {
- vfs_write_resume(mp, 0);
- return (error);
- }
- if (fs->fs_pendingblocks != 0 ||
- fs->fs_pendinginodes != 0) {
- printf("WARNING: %s Update error: blocks %jd "
- "files %d\n", fs->fs_fsmnt,
- (intmax_t)fs->fs_pendingblocks,
- fs->fs_pendinginodes);
- fs->fs_pendingblocks = 0;
- fs->fs_pendinginodes = 0;
- }
- if ((fs->fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) == 0)
- fs->fs_clean = 1;
- if ((error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0) {
- fs->fs_ronly = 0;
- fs->fs_clean = 0;
- vfs_write_resume(mp, 0);
- return (error);
- }
- if (MOUNTEDSOFTDEP(mp))
- softdep_unmount(mp);
- g_topology_lock();
- /*
- * Drop our write and exclusive access.
- */
- g_access(ump->um_cp, 0, -1, -1);
- g_topology_unlock();
- fs->fs_ronly = 1;
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_RDONLY;
- MNT_IUNLOCK(mp);
- /*
- * Allow the writers to note that filesystem
- * is ro now.
- */
- vfs_write_resume(mp, 0);
- }
- if ((mp->mnt_flag & MNT_RELOAD) &&
- (error = ffs_reload(mp, td, 0)) != 0)
- return (error);
- if (fs->fs_ronly &&
- !vfs_flagopt(mp->mnt_optnew, "ro", nil, 0)) {
- /*
- * If we are running a checker, do not allow upgrade.
- */
- if (ump->um_fsckpid > 0) {
- vfs_mount_error(mp,
- "Active checker, cannot upgrade to write");
- return (EINVAL);
- }
- /*
- * If upgrade to read-write by non-root, then verify
- * that user has necessary permissions on the device.
- */
- vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
- error = VOP_ACCESS(devvp, VREAD | VWRITE,
- td->td_ucred, td);
- if (error)
- error = priv_check(td, PRIV_VFS_MOUNT_PERM);
- if (error) {
- VOP_UNLOCK(devvp, 0);
- return (error);
- }
- VOP_UNLOCK(devvp, 0);
- fs->fs_flags &= ~FS_UNCLEAN;
- if (fs->fs_clean == 0) {
- fs->fs_flags |= FS_UNCLEAN;
- if ((mp->mnt_flag & MNT_FORCE) ||
- ((fs->fs_flags &
- (FS_SUJ | FS_NEEDSFSCK)) == 0 &&
- (fs->fs_flags & FS_DOSOFTDEP))) {
- printf("WARNING: %s was not properly "
- "dismounted\n", fs->fs_fsmnt);
- } else {
- vfs_mount_error(mp,
- "R/W mount of %s denied. %s.%s",
- fs->fs_fsmnt,
- "Filesystem is not clean - run fsck",
- (fs->fs_flags & FS_SUJ) == 0 ? "" :
- " Forced mount will invalidate"
- " journal contents");
- return (EPERM);
- }
- }
- g_topology_lock();
- /*
- * Request exclusive write access.
- */
- error = g_access(ump->um_cp, 0, 1, 1);
- g_topology_unlock();
- if (error)
- return (error);
- if ((error = vn_start_write(nil, &mp, V_WAIT)) != 0)
- return (error);
- fs->fs_ronly = 0;
- MNT_ILOCK(mp);
- mp->mnt_flag &= ~MNT_RDONLY;
- MNT_IUNLOCK(mp);
- fs->fs_mtime = time_second;
- /* check to see if we need to start softdep */
- if ((fs->fs_flags & FS_DOSOFTDEP) &&
- (error = softdep_mount(devvp, mp, fs, td->td_ucred))){
- vn_finished_write(mp);
- return (error);
- }
- fs->fs_clean = 0;
- if ((error = ffs_sbupdate(ump, MNT_WAIT, 0)) != 0) {
- vn_finished_write(mp);
- return (error);
- }
- if (fs->fs_snapinum[0] != 0)
- ffs_snapshot_mount(mp);
- vn_finished_write(mp);
- }
- /*
- * Soft updates is incompatible with "async",
- * so if we are doing softupdates stop the user
- * from setting the async flag in an update.
- * Softdep_mount() clears it in an initial mount
- * or ro->rw remount.
- */
- if (MOUNTEDSOFTDEP(mp)) {
- /* XXX: Reset too late ? */
- MNT_ILOCK(mp);
- mp->mnt_flag &= ~MNT_ASYNC;
- MNT_IUNLOCK(mp);
- }
- /*
- * Keep MNT_ACLS flag if it is stored in superblock.
- */
- if ((fs->fs_flags & FS_ACLS) != 0) {
- /* XXX: Set too late ? */
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_ACLS;
- MNT_IUNLOCK(mp);
- }
- if ((fs->fs_flags & FS_NFS4ACLS) != 0) {
- /* XXX: Set too late ? */
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_NFS4ACLS;
- MNT_IUNLOCK(mp);
- }
- /*
- * If this is a request from fsck to clean up the filesystem,
- * then allow the specified pid to proceed.
- */
- if (fsckpid > 0) {
- if (ump->um_fsckpid != 0) {
- vfs_mount_error(mp,
- "Active checker already running on %s",
- fs->fs_fsmnt);
- return (EINVAL);
- }
- KASSERT(MOUNTEDSOFTDEP(mp) == 0,
- ("soft updates enabled on read-only file system"));
- g_topology_lock();
- /*
- * Request write access.
- */
- error = g_access(ump->um_cp, 0, 1, 0);
- g_topology_unlock();
- if (error) {
- vfs_mount_error(mp,
- "Checker activation failed on %s",
- fs->fs_fsmnt);
- return (error);
- }
- ump->um_fsckpid = fsckpid;
- if (fs->fs_snapinum[0] != 0)
- ffs_snapshot_mount(mp);
- fs->fs_mtime = time_second;
- fs->fs_fmod = 1;
- fs->fs_clean = 0;
- (void) ffs_sbupdate(ump, MNT_WAIT, 0);
- }
- /*
- * If this is a snapshot request, take the snapshot.
- */
- if (mp->mnt_flag & MNT_SNAPSHOT)
- return (ffs_snapshot(mp, fspec));
- /*
- * Must not call namei() while owning busy ref.
- */
- vfs_unbusy(mp);
- }
- /*
- * Not an update, or updating the name: look up the name
- * and verify that it refers to a sensible disk device.
- */
- NDINIT(&ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, fspec, td);
- error = namei(&ndp);
- if ((mp->mnt_flag & MNT_UPDATE) != 0) {
- /*
- * Unmount does not start if MNT_UPDATE is set. Mount
- * update busies mp before setting MNT_UPDATE. We
- * must be able to retain our busy ref succesfully,
- * without sleep.
- */
- error1 = vfs_busy(mp, MBF_NOWAIT);
- MPASS(error1 == 0);
- }
- if (error != 0)
- return (error);
- NDFREE(&ndp, NDF_ONLY_PNBUF);
- devvp = ndp.ni_vp;
- if (!vn_isdisk(devvp, &error)) {
- vput(devvp);
- return (error);
- }
- /*
- * If mount by non-root, then verify that user has necessary
- * permissions on the device.
- */
- accmode = VREAD;
- if ((mp->mnt_flag & MNT_RDONLY) == 0)
- accmode |= VWRITE;
- error = VOP_ACCESS(devvp, accmode, td->td_ucred, td);
- if (error)
- error = priv_check(td, PRIV_VFS_MOUNT_PERM);
- if (error) {
- vput(devvp);
- return (error);
- }
- if (mp->mnt_flag & MNT_UPDATE) {
- /*
- * Update only
- *
- * If it's not the same vnode, or at least the same device
- * then it's not correct.
- */
- if (devvp->v_rdev != ump->um_devvp->v_rdev)
- error = EINVAL; /* needs translation */
- vput(devvp);
- if (error)
- return (error);
- } else {
- #endif // 0
- /*
- * New mount
- *
- * We need the name for the mount point (also used for
- * "last mounted on") copied in. If an error occurs,
- * the mount point is discarded by the upper level code.
- * Note that vfs_mount_alloc() populates f_mntonname for us.
- */
- if ((error = ffs_mountfs(devvp, mp, td)) != 0) {
- return (error);
- }
- #if 0
- if (fsckpid > 0) {
- KASSERT(MOUNTEDSOFTDEP(mp) == 0,
- ("soft updates enabled on read-only file system"));
- ump = VFSTOUFS(mp);
- fs = ump->um_fs;
- g_topology_lock();
- /*
- * Request write access.
- */
- error = g_access(ump->um_cp, 0, 1, 0);
- g_topology_unlock();
- if (error) {
- printf("WARNING: %s: Checker activation "
- "failed\n", fs->fs_fsmnt);
- } else {
- ump->um_fsckpid = fsckpid;
- if (fs->fs_snapinum[0] != 0)
- ffs_snapshot_mount(mp);
- fs->fs_mtime = time_second;
- fs->fs_clean = 0;
- (void) ffs_sbupdate(ump, MNT_WAIT, 0);
- }
- }
- }
- vfs_mountedfrom(mp, fspec);
- #endif // 0
- return (0);
- }
- #if 0
- /*
- * Compatibility with old mount system call.
- */
- static int
- ffs_cmount(struct mntarg *ma, void *data, uint64_t flags)
- {
- struct ufs_args args;
- struct export_args exp;
- int error;
- if (data == nil)
- return (EINVAL);
- error = copyin(data, &args, sizeof args);
- if (error)
- return (error);
- vfs_oexport_conv(&args.export, &exp);
- ma = mount_argsu(ma, "from", args.fspec, MAXPATHLEN);
- ma = mount_arg(ma, "export", &exp, sizeof(exp));
- error = kernel_mount(ma, flags);
- return (error);
- }
- /*
- * Reload all incore data for a filesystem (used after running fsck on
- * the root filesystem and finding things to fix). If the 'force' flag
- * is 0, the filesystem must be mounted read-only.
- *
- * Things to do to update the mount:
- * 1) invalidate all cached meta-data.
- * 2) re-read superblock from disk.
- * 3) re-read summary information from disk.
- * 4) invalidate all inactive vnodes.
- * 5) clear MNTK_SUSPEND2 and MNTK_SUSPENDED flags, allowing secondary
- * writers, if requested.
- * 6) invalidate all cached file data.
- * 7) re-read inode data for all active vnodes.
- */
- int
- ffs_reload(struct mount *mp, struct thread *td, int flags)
- {
- struct vnode *vp, *mvp, *devvp;
- struct inode *ip;
- void *space;
- struct buf *bp;
- struct fs *fs, *newfs;
- struct ufsmount *ump;
- ufs2_daddr_t sblockloc;
- int i, blks, error;
- uint64_t size;
- int32_t *lp;
- ump = VFSTOUFS(mp);
- MNT_ILOCK(mp);
- if ((mp->mnt_flag & MNT_RDONLY) == 0 && (flags & FFSR_FORCE) == 0) {
- MNT_IUNLOCK(mp);
- return (EINVAL);
- }
- MNT_IUNLOCK(mp);
-
- /*
- * Step 1: invalidate all cached meta-data.
- */
- devvp = VFSTOUFS(mp)->um_devvp;
- vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
- if (vinvalbuf(devvp, 0, 0, 0) != 0)
- panic("ffs_reload: dirty1");
- VOP_UNLOCK(devvp, 0);
- /*
- * Step 2: re-read superblock from disk.
- */
- fs = VFSTOUFS(mp)->um_fs;
- if ((error = bread(devvp, btodb(fs->fs_sblockloc), fs->fs_sbsize,
- NOCRED, &bp)) != 0)
- return (error);
- newfs = (struct fs *)bp->b_data;
- if ((newfs->fs_magic != FS_UFS1_MAGIC &&
- newfs->fs_magic != FS_UFS2_MAGIC) ||
- newfs->fs_bsize > MAXBSIZE ||
- newfs->fs_bsize < sizeof(struct fs)) {
- brelse(bp);
- return (EIO); /* XXX needs translation */
- }
- /*
- * Copy pointer fields back into superblock before copying in XXX
- * new superblock. These should really be in the ufsmount. XXX
- * Note that important parameters (eg fs_ncg) are unchanged.
- */
- newfs->fs_csp = fs->fs_csp;
- newfs->fs_maxcluster = fs->fs_maxcluster;
- newfs->fs_contigdirs = fs->fs_contigdirs;
- newfs->fs_active = fs->fs_active;
- newfs->fs_ronly = fs->fs_ronly;
- sblockloc = fs->fs_sblockloc;
- bcopy(newfs, fs, (uint)fs->fs_sbsize);
- brelse(bp);
- mp->mnt_maxsymlinklen = fs->fs_maxsymlinklen;
- UFS_LOCK(ump);
- if (fs->fs_pendingblocks != 0 || fs->fs_pendinginodes != 0) {
- printf("WARNING: %s: reload pending error: blocks %jd "
- "files %d\n", fs->fs_fsmnt, (intmax_t)fs->fs_pendingblocks,
- fs->fs_pendinginodes);
- fs->fs_pendingblocks = 0;
- fs->fs_pendinginodes = 0;
- }
- UFS_UNLOCK(ump);
- /*
- * Step 3: re-read summary information from disk.
- */
- size = fs->fs_cssize;
- blks = howmany(size, fs->fs_fsize);
- if (fs->fs_contigsumsize > 0)
- size += fs->fs_ncg * sizeof(int32_t);
- size += fs->fs_ncg * sizeof(uint8_t);
- free(fs->fs_csp, M_UFSMNT);
- space = malloc(size, M_UFSMNT, M_WAITOK);
- fs->fs_csp = space;
- for (i = 0; i < blks; i += fs->fs_frag) {
- size = fs->fs_bsize;
- if (i + fs->fs_frag > blks)
- size = (blks - i) * fs->fs_fsize;
- error = bread(devvp, fsbtodb(fs, fs->fs_csaddr + i), size,
- NOCRED, &bp);
- if (error)
- return (error);
- bcopy(bp->b_data, space, (uint)size);
- space = (char *)space + size;
- brelse(bp);
- }
- /*
- * We no longer know anything about clusters per cylinder group.
- */
- if (fs->fs_contigsumsize > 0) {
- fs->fs_maxcluster = lp = space;
- for (i = 0; i < fs->fs_ncg; i++)
- *lp++ = fs->fs_contigsumsize;
- space = lp;
- }
- size = fs->fs_ncg * sizeof(uint8_t);
- fs->fs_contigdirs = (uint8_t *)space;
- bzero(fs->fs_contigdirs, size);
- if ((flags & FFSR_UNSUSPEND) != 0) {
- MNT_ILOCK(mp);
- mp->mnt_kern_flag &= ~(MNTK_SUSPENDED | MNTK_SUSPEND2);
- wakeup(&mp->mnt_flag);
- MNT_IUNLOCK(mp);
- }
- loop:
- MNT_VNODE_FOREACH_ALL(vp, mp, mvp) {
- /*
- * Skip syncer vnode.
- */
- if (vp->v_type == VNON) {
- VI_UNLOCK(vp);
- continue;
- }
- /*
- * Step 4: invalidate all cached file data.
- */
- if (vget(vp, LK_EXCLUSIVE | LK_INTERLOCK, td)) {
- MNT_VNODE_FOREACH_ALL_ABORT(mp, mvp);
- goto loop;
- }
- if (vinvalbuf(vp, 0, 0, 0))
- panic("ffs_reload: dirty2");
- /*
- * Step 5: re-read inode data for all active vnodes.
- */
- ip = VTOI(vp);
- error =
- bread(devvp, fsbtodb(fs, ino_to_fsba(fs, ip->i_number)),
- (int)fs->fs_bsize, NOCRED, &bp);
- if (error) {
- VOP_UNLOCK(vp, 0);
- vrele(vp);
- MNT_VNODE_FOREACH_ALL_ABORT(mp, mvp);
- return (error);
- }
- ffs_load_inode(bp, ip, fs, ip->i_number);
- ip->i_effnlink = ip->i_nlink;
- brelse(bp);
- VOP_UNLOCK(vp, 0);
- vrele(vp);
- }
- return (0);
- }
- #endif // 0
- /*
- * Possible superblock locations ordered from most to least likely.
- */
- static int sblock_try[] = SBLOCKSEARCH;
- /*
- * Common code for mount and mountroot
- */
- static int
- ffs_mountfs (vnode *devvp, MountPoint *mp, thread *td)
- {
- // TODO HARVEY - Don't need devvp, and maybe don't need td?
- Fs *fs;
- void *buf;
- ufsmount *ump;
- void *space;
- ufs2_daddr_t sblockloc;
- int error, i, blks, /*len,*/ ronly;
- uint64_t size;
- int32_t *lp;
- Ucred *cred;
- //struct g_consumer *cp;
- // TODO HARVEY
- cred = nil; // NOCRED
- //cred = td ? td->td_ucred : NOCRED;
- ump = nil;
- ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
- /*KASSERT(devvp->v_type == VCHR, ("reclaimed devvp"));
- dev = devvp->v_rdev;
- if (atomic_cmpset_acq_ptr((uintptr_t *)&dev->si_mountpt, 0,
- (uintptr_t)mp) == 0) {
- VOP_UNLOCK(devvp, 0);
- return (EBUSY);
- }
- g_topology_lock();
- error = g_vfs_open(devvp, &cp, "ffs", ronly ? 0 : 1);
- g_topology_unlock();
- if (error != 0) {
- atomic_store_rel_ptr((uintptr_t *)&dev->si_mountpt, 0);
- VOP_UNLOCK(devvp, 0);
- return (error);
- }
- dev_ref(dev);
- devvp->v_bufobj.bo_ops = &ffs_ops;
- VOP_UNLOCK(devvp, 0);
- if (dev->si_iosize_max != 0)
- mp->mnt_iosize_max = dev->si_iosize_max;
- if (mp->mnt_iosize_max > MAXPHYS)
- mp->mnt_iosize_max = MAXPHYS;
- */
- fs = nil;
- sblockloc = 0;
- /*
- * Try reading the superblock in each of its possible locations.
- */
- for (i = 0; sblock_try[i] != -1; i++) {
- /*if ((SBLOCKSIZE % cp->provider->sectorsize) != 0) {
- error = EINVAL;
- vfs_mount_error(mp,
- "Invalid sectorsize %d for superblock size %d",
- cp->provider->sectorsize, SBLOCKSIZE);
- goto out;
- }*/
- if (bread(mp, btodb(sblock_try[i]), SBLOCKSIZE, &buf) != 0) {
- free(buf);
- print("not found at %p\n", sblock_try[i]);
- error = -1;
- goto out;
- }
- fs = (Fs*)buf;
- sblockloc = sblock_try[i];
- if ((fs->fs_magic == FS_UFS1_MAGIC ||
- (fs->fs_magic == FS_UFS2_MAGIC &&
- (fs->fs_sblockloc == sblockloc ||
- (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0))) &&
- fs->fs_bsize <= MAXBSIZE &&
- fs->fs_bsize >= sizeof(Fs)) {
- // fs looks valid
- break;
- }
- // fs doesn't look right - free and try again
- free(buf);
- buf = nil;
- }
- if (sblock_try[i] == -1) {
- error = EINVAL; /* XXX needs translation */
- // TODO HARVEY error string?
- goto out;
- }
- fs->fs_fmod = 0;
- fs->fs_flags &= ~FS_INDEXDIRS; /* no support for directory indices */
- fs->fs_flags &= ~FS_UNCLEAN;
- if (fs->fs_clean == 0) {
- fs->fs_flags |= FS_UNCLEAN;
- if (ronly || (mp->mnt_flag & MNT_FORCE) ||
- ((fs->fs_flags & (FS_SUJ | FS_NEEDSFSCK)) == 0 &&
- (fs->fs_flags & FS_DOSOFTDEP))) {
- print("WARNING: %s was not properly dismounted\n",
- fs->fs_fsmnt);
- } else {
- print("R/W mount of %s denied. %s%s",
- fs->fs_fsmnt, "Filesystem is not clean - run fsck.",
- (fs->fs_flags & FS_SUJ) == 0 ? "" :
- " Forced mount will invalidate journal contents");
- error = EPERM;
- goto out;
- }
- if ((fs->fs_pendingblocks != 0 || fs->fs_pendinginodes != 0) &&
- (mp->mnt_flag & MNT_FORCE)) {
- print("WARNING: %s: lost blocks %jd files %d\n",
- fs->fs_fsmnt, (intmax_t)fs->fs_pendingblocks,
- fs->fs_pendinginodes);
- fs->fs_pendingblocks = 0;
- fs->fs_pendinginodes = 0;
- }
- }
- if (fs->fs_pendingblocks != 0 || fs->fs_pendinginodes != 0) {
- print("WARNING: %s: mount pending error: blocks %jd "
- "files %d\n", fs->fs_fsmnt, (intmax_t)fs->fs_pendingblocks,
- fs->fs_pendinginodes);
- fs->fs_pendingblocks = 0;
- fs->fs_pendinginodes = 0;
- }
- if ((fs->fs_flags & FS_GJOURNAL) != 0) {
- print("WARNING: %s: GJOURNAL flag on fs but no "
- "UFS_GJOURNAL support\n", fs->fs_fsmnt);
- }
- ump = (ufsmount*)smalloc(sizeof *ump);
- //ump->um_cp = cp;
- //ump->um_bo = &devvp->v_bufobj;
- ump->um_fs = smalloc((uint64_t)fs->fs_sbsize);
- if (fs->fs_magic == FS_UFS1_MAGIC) {
- print("WARNING: UFS1 not supported\n");
- // TODO HARVEY Better error message
- error = -1;
- goto out;
- } else {
- ump->um_fstype = UFS2;
- ump->um_balloc = ffs_balloc_ufs2;
- }
- ump->um_blkatoff = ffs_blkatoff;
- ump->um_truncate = ffs_truncate;
- ump->um_update = ffs_update;
- ump->um_valloc = ffs_valloc;
- ump->um_vfree = ffs_vfree;
- ump->um_ifree = ffs_ifree;
- ump->um_rdonly = ffs_rdonly;
- ump->um_snapgone = ffs_snapgone;
- memmove(ump->um_fs, fs, (uint)fs->fs_sbsize);
- free(buf);
- buf = nil;
- fs = ump->um_fs;
- fs->fs_ronly = ronly;
- size = fs->fs_cssize;
- blks = HOWMANY(size, fs->fs_fsize);
- if (fs->fs_contigsumsize > 0)
- size += fs->fs_ncg * sizeof(int32_t);
- size += fs->fs_ncg * sizeof(uint8_t);
- space = smalloc(size);
- fs->fs_csp = space;
- for (i = 0; i < blks; i += fs->fs_frag) {
- size = fs->fs_bsize;
- if (i + fs->fs_frag > blks)
- size = (blks - i) * fs->fs_fsize;
- if ((error = bread(mp, fsbtodb(fs, fs->fs_csaddr + i),
- size, &buf)) != 0) {
- free(fs->fs_csp);
- goto out;
- }
- memmove(space, buf, size);
- space = (char *)space + size;
- free(buf);
- }
- if (fs->fs_contigsumsize > 0) {
- fs->fs_maxcluster = lp = space;
- for (i = 0; i < fs->fs_ncg; i++)
- *lp++ = fs->fs_contigsumsize;
- space = lp;
- }
- size = fs->fs_ncg * sizeof(uint8_t);
- fs->fs_contigdirs = (uint8_t *)space;
- memset(fs->fs_contigdirs, 0, size);
- fs->fs_active = nil;
- mp->mnt_data = ump;
- mp->mnt_maxsymlinklen = fs->fs_maxsymlinklen;
- qlock(&mp->mnt_lock);
- mp->mnt_flag |= MNT_LOCAL;
- qunlock(&mp->mnt_lock);
- if ((fs->fs_flags & FS_MULTILABEL) != 0) {
- #ifdef MAC
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_MULTILABEL;
- MNT_IUNLOCK(mp);
- #else
- print("WARNING: %s: multilabel flag on fs but "
- "no MAC support\n", fs->fs_fsmnt);
- #endif
- }
- if ((fs->fs_flags & FS_ACLS) != 0) {
- #ifdef UFS_ACL
- MNT_ILOCK(mp);
- if (mp->mnt_flag & MNT_NFS4ACLS)
- printf("WARNING: %s: ACLs flag on fs conflicts with "
- "\"nfsv4acls\" mount option; option ignored\n",
- mp->mnt_stat.f_mntonname);
- mp->mnt_flag &= ~MNT_NFS4ACLS;
- mp->mnt_flag |= MNT_ACLS;
- MNT_IUNLOCK(mp);
- #else
- print("WARNING: %s: ACLs flag on fs but no ACLs support\n",
- fs->fs_fsmnt);
- #endif
- }
- if ((fs->fs_flags & FS_NFS4ACLS) != 0) {
- #ifdef UFS_ACL
- MNT_ILOCK(mp);
- if (mp->mnt_flag & MNT_ACLS)
- printf("WARNING: %s: NFSv4 ACLs flag on fs conflicts "
- "with \"acls\" mount option; option ignored\n",
- mp->mnt_stat.f_mntonname);
- mp->mnt_flag &= ~MNT_ACLS;
- mp->mnt_flag |= MNT_NFS4ACLS;
- MNT_IUNLOCK(mp);
- #else
- print("WARNING: %s: NFSv4 ACLs flag on fs but no "
- "ACLs support\n", fs->fs_fsmnt);
- #endif
- }
- // TODO HARVEY TRIM support
- /*if ((fs->fs_flags & FS_TRIM) != 0) {
- len = sizeof(int);
- if (g_io_getattr("GEOM::candelete", cp, &len,
- &ump->um_candelete) == 0) {
- if (!ump->um_candelete)
- printf("WARNING: %s: TRIM flag on fs but disk "
- "does not support TRIM\n",
- mp->mnt_stat.f_mntonname);
- } else {
- printf("WARNING: %s: TRIM flag on fs but disk does "
- "not confirm that it supports TRIM\n",
- mp->mnt_stat.f_mntonname);
- ump->um_candelete = 0;
- }
- if (ump->um_candelete) {
- ump->um_trim_tq = taskqueue_create("trim", M_WAITOK,
- taskqueue_thread_enqueue, &ump->um_trim_tq);
- taskqueue_start_threads(&ump->um_trim_tq, 1, PVFS,
- "%s trim", mp->mnt_stat.f_mntonname);
- }
- }*/
- ump->um_mountp = mp;
- //ump->um_dev = dev;
- //ump->um_devvp = devvp;
- ump->um_nindir = fs->fs_nindir;
- ump->um_bptrtodb = fs->fs_fsbtodb;
- ump->um_seqinc = fs->fs_frag;
- //for (i = 0; i < MAXQUOTAS; i++)
- // ump->um_quotas[i] = NULLVP;
- #ifdef UFS_EXTATTR
- ufs_extattr_uepm_init(&ump->um_extattr);
- #endif
- mp->mnt_stat.f_iosize = fs->fs_bsize;
- #if 0
- if (mp->mnt_flag & MNT_ROOTFS) {
- /*
- * Root mount; update timestamp in mount structure.
- * this will be used by the common root mount code
- * to update the system clock.
- */
- mp->mnt_time = fs->fs_time;
- }
- #endif // 0
- if (ronly == 0) {
- fs->fs_mtime = seconds();
- if ((fs->fs_flags & FS_DOSOFTDEP) &&
- (error = softdep_mount(devvp, mp, fs, cred)) != 0) {
- free(fs->fs_csp);
- ffs_flushfiles(mp, FORCECLOSE, td);
- goto out;
- }
- if (fs->fs_snapinum[0] != 0)
- ffs_snapshot_mount(mp);
- fs->fs_fmod = 1;
- fs->fs_clean = 0;
- (void) ffs_sbupdate(ump, MNT_WAIT, 0);
- }
- #ifdef UFS_EXTATTR
- #ifdef UFS_EXTATTR_AUTOSTART
- /*
- *
- * Auto-starting does the following:
- * - check for /.attribute in the fs, and extattr_start if so
- * - for each file in .attribute, enable that file with
- * an attribute of the same name.
- * Not clear how to report errors -- probably eat them.
- * This would all happen while the filesystem was busy/not
- * available, so would effectively be "atomic".
- */
- (void) ufs_extattr_autostart(mp, td);
- #endif /* !UFS_EXTATTR_AUTOSTART */
- #endif /* !UFS_EXTATTR */
- return (0);
- out:
- if (buf)
- free(buf);
- /*if (cp != nil) {
- g_topology_lock();
- g_vfs_close(cp);
- g_topology_unlock();
- }*/
- if (ump) {
- /*mtx_destroy(UFS_MTX(ump));
- if (mp->mnt_gjprovider != nil) {
- free(mp->mnt_gjprovider, M_UFSMNT);
- mp->mnt_gjprovider = nil;
- }*/
- free(ump->um_fs);
- free(ump);
- mp->mnt_data = nil;
- }
- //atomic_store_rel_ptr((uintptr_t *)&dev->si_mountpt, 0);
- //dev_rel(dev);
- return (error);
- }
- /*
- * unmount system call
- */
- int
- ffs_unmount (MountPoint *mp, int mntflags)
- {
- int error = 0;
- print("HARVEY TODO: %s\n", __func__);
- #if 0
- struct thread *td;
- struct ufsmount *ump = VFSTOUFS(mp);
- struct fs *fs;
- int error, flags, susp;
- #ifdef UFS_EXTATTR
- int e_restart;
- #endif
- flags = 0;
- td = curthread;
- fs = ump->um_fs;
- susp = 0;
- if (mntflags & MNT_FORCE) {
- flags |= FORCECLOSE;
- susp = fs->fs_ronly == 0;
- }
- #ifdef UFS_EXTATTR
- if ((error = ufs_extattr_stop(mp, td))) {
- if (error != EOPNOTSUPP)
- printf("WARNING: unmount %s: ufs_extattr_stop "
- "returned errno %d\n", mp->mnt_stat.f_mntonname,
- error);
- e_restart = 0;
- } else {
- ufs_extattr_uepm_destroy(&ump->um_extattr);
- e_restart = 1;
- }
- #endif
- if (susp) {
- error = vfs_write_suspend_umnt(mp);
- if (error != 0)
- goto fail1;
- }
- if (MOUNTEDSOFTDEP(mp))
- error = softdep_flushfiles(mp, flags, td);
- else
- error = ffs_flushfiles(mp, flags, td);
- if (error != 0 && error != ENXIO)
- goto fail;
- UFS_LOCK(ump);
- if (fs->fs_pendingblocks != 0 || fs->fs_pendinginodes != 0) {
- printf("WARNING: unmount %s: pending error: blocks %jd "
- "files %d\n", fs->fs_fsmnt, (intmax_t)fs->fs_pendingblocks,
- fs->fs_pendinginodes);
- fs->fs_pendingblocks = 0;
- fs->fs_pendinginodes = 0;
- }
- UFS_UNLOCK(ump);
- if (MOUNTEDSOFTDEP(mp))
- softdep_unmount(mp);
- if (fs->fs_ronly == 0 || ump->um_fsckpid > 0) {
- fs->fs_clean = fs->fs_flags & (FS_UNCLEAN|FS_NEEDSFSCK) ? 0 : 1;
- error = ffs_sbupdate(ump, MNT_WAIT, 0);
- if (error && error != ENXIO) {
- fs->fs_clean = 0;
- goto fail;
- }
- }
- if (susp)
- vfs_write_resume(mp, VR_START_WRITE);
- if (ump->um_trim_tq != nil) {
- while (ump->um_trim_inflight != 0)
- pause("ufsutr", hz);
- taskqueue_drain_all(ump->um_trim_tq);
- taskqueue_free(ump->um_trim_tq);
- }
- g_topology_lock();
- if (ump->um_fsckpid > 0) {
- /*
- * Return to normal read-only mode.
- */
- error = g_access(ump->um_cp, 0, -1, 0);
- ump->um_fsckpid = 0;
- }
- g_vfs_close(ump->um_cp);
- g_topology_unlock();
- atomic_store_rel_ptr((uintptr_t *)&ump->um_dev->si_mountpt, 0);
- vrele(ump->um_devvp);
- dev_rel(ump->um_dev);
- mtx_destroy(UFS_MTX(ump));
- if (mp->mnt_gjprovider != nil) {
- free(mp->mnt_gjprovider, M_UFSMNT);
- mp->mnt_gjprovider = nil;
- }
- free(fs->fs_csp, M_UFSMNT);
- free(fs, M_UFSMNT);
- free(ump, M_UFSMNT);
- mp->mnt_data = nil;
- MNT_ILOCK(mp);
- mp->mnt_flag &= ~MNT_LOCAL;
- MNT_IUNLOCK(mp);
- return (error);
- fail:
- if (susp)
- vfs_write_resume(mp, VR_START_WRITE);
- fail1:
- #ifdef UFS_EXTATTR
- if (e_restart) {
- ufs_extattr_uepm_init(&ump->um_extattr);
- #ifdef UFS_EXTATTR_AUTOSTART
- (void) ufs_extattr_autostart(mp, td);
- #endif
- }
- #endif
- #endif // 0
- return (error);
- }
- /*
- * Flush out all the files in a filesystem.
- */
- int
- ffs_flushfiles (MountPoint *mp, int flags, thread *td)
- {
- int error = 0;
- print("HARVEY TODO: %s\n", __func__);
- #if 0
- struct ufsmount *ump;
- int qerror, error;
- ump = VFSTOUFS(mp);
- qerror = 0;
- #ifdef QUOTA
- if (mp->mnt_flag & MNT_QUOTA) {
- int i;
- error = vflush(mp, 0, SKIPSYSTEM|flags, td);
- if (error)
- return (error);
- for (i = 0; i < MAXQUOTAS; i++) {
- error = quotaoff(td, mp, i);
- if (error != 0) {
- if ((flags & EARLYFLUSH) == 0)
- return (error);
- else
- qerror = error;
- }
- }
- /*
- * Here we fall through to vflush again to ensure that
- * we have gotten rid of all the system vnodes, unless
- * quotas must not be closed.
- */
- }
- #endif
- ASSERT_VOP_LOCKED(ump->um_devvp, "ffs_flushfiles");
- if (ump->um_devvp->v_vflag & VV_COPYONWRITE) {
- if ((error = vflush(mp, 0, SKIPSYSTEM | flags, td)) != 0)
- return (error);
- ffs_snapshot_unmount(mp);
- flags |= FORCECLOSE;
- /*
- * Here we fall through to vflush again to ensure
- * that we have gotten rid of all the system vnodes.
- */
- }
- /*
- * Do not close system files if quotas were not closed, to be
- * able to sync the remaining dquots. The freeblks softupdate
- * workitems might hold a reference on a dquot, preventing
- * quotaoff() from completing. Next round of
- * softdep_flushworklist() iteration should process the
- * blockers, allowing the next run of quotaoff() to finally
- * flush held dquots.
- *
- * Otherwise, flush all the files.
- */
- if (qerror == 0 && (error = vflush(mp, 0, flags, td)) != 0)
- return (error);
- /*
- * Flush filesystem metadata.
- */
- vn_lock(ump->um_devvp, LK_EXCLUSIVE | LK_RETRY);
- error = VOP_FSYNC(ump->um_devvp, MNT_WAIT, td);
- VOP_UNLOCK(ump->um_devvp, 0);
- #endif // 0
- return (error);
- }
- #if 0
- /*
- * Get filesystem statistics.
- */
- static int
- ffs_statfs (struct mount *mp, struct statfs *sbp)
- {
- struct ufsmount *ump;
- struct fs *fs;
- ump = VFSTOUFS(mp);
- fs = ump->um_fs;
- if (fs->fs_magic != FS_UFS1_MAGIC && fs->fs_magic != FS_UFS2_MAGIC)
- panic("ffs_statfs");
- sbp->f_version = STATFS_VERSION;
- sbp->f_bsize = fs->fs_fsize;
- sbp->f_iosize = fs->fs_bsize;
- sbp->f_blocks = fs->fs_dsize;
- UFS_LOCK(ump);
- sbp->f_bfree = fs->fs_cstotal.cs_nbfree * fs->fs_frag +
- fs->fs_cstotal.cs_nffree + dbtofsb(fs, fs->fs_pendingblocks);
- sbp->f_bavail = freespace(fs, fs->fs_minfree) +
- dbtofsb(fs, fs->fs_pendingblocks);
- sbp->f_files = fs->fs_ncg * fs->fs_ipg - UFS_ROOTINO;
- sbp->f_ffree = fs->fs_cstotal.cs_nifree + fs->fs_pendinginodes;
- UFS_UNLOCK(ump);
- sbp->f_namemax = UFS_MAXNAMLEN;
- return (0);
- }
- static bool
- sync_doupdate(struct inode *ip)
- {
- return ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED |
- IN_UPDATE)) != 0);
- }
- /*
- * For a lazy sync, we only care about access times, quotas and the
- * superblock. Other filesystem changes are already converted to
- * cylinder group blocks or inode blocks updates and are written to
- * disk by syncer.
- */
- static int
- ffs_sync_lazy (struct mount *mp)
- {
- struct vnode *mvp, *vp;
- struct inode *ip;
- struct thread *td;
- int allerror, error;
- allerror = 0;
- td = curthread;
- if ((mp->mnt_flag & MNT_NOATIME) != 0)
- goto qupdate;
- MNT_VNODE_FOREACH_ACTIVE(vp, mp, mvp) {
- if (vp->v_type == VNON) {
- VI_UNLOCK(vp);
- continue;
- }
- ip = VTOI(vp);
- /*
- * The IN_ACCESS flag is converted to IN_MODIFIED by
- * ufs_close() and ufs_getattr() by the calls to
- * ufs_itimes_locked(), without subsequent UFS_UPDATE().
- * Test also all the other timestamp flags too, to pick up
- * any other cases that could be missed.
- */
- if (!sync_doupdate(ip) && (vp->v_iflag & VI_OWEINACT) == 0) {
- VI_UNLOCK(vp);
- continue;
- }
- if ((error = vget(vp, LK_EXCLUSIVE | LK_NOWAIT | LK_INTERLOCK,
- td)) != 0)
- continue;
- if (sync_doupdate(ip))
- error = ffs_update(vp, 0);
- if (error != 0)
- allerror = error;
- vput(vp);
- }
- qupdate:
- #ifdef QUOTA
- qsync(mp);
- #endif
- if (VFSTOUFS(mp)->um_fs->fs_fmod != 0 &&
- (error = ffs_sbupdate(VFSTOUFS(mp), MNT_LAZY, 0)) != 0)
- allerror = error;
- return (allerror);
- }
- /*
- * Go through the disk queues to initiate sandbagged IO;
- * go through the inodes to write those that have been modified;
- * initiate the writing of the super block if it has been modified.
- *
- * Note: we are always called with the filesystem marked busy using
- * vfs_busy().
- */
- static int
- ffs_sync (struct mount *mp, int waitfor)
- {
- struct vnode *mvp, *vp, *devvp;
- struct thread *td;
- struct inode *ip;
- struct ufsmount *ump = VFSTOUFS(mp);
- struct fs *fs;
- int error, count, lockreq, allerror = 0;
- int suspend;
- int suspended;
- int secondary_writes;
- int secondary_accwrites;
- int softdep_deps;
- int softdep_accdeps;
- struct bufobj *bo;
- suspend = 0;
- suspended = 0;
- td = curthread;
- fs = ump->um_fs;
- if (fs->fs_fmod != 0 && fs->fs_ronly != 0 && ump->um_fsckpid == 0)
- panic("%s: ffs_sync: modification on read-only filesystem",
- fs->fs_fsmnt);
- if (waitfor == MNT_LAZY) {
- if (!rebooting)
- return (ffs_sync_lazy(mp));
- waitfor = MNT_NOWAIT;
- }
- /*
- * Write back each (modified) inode.
- */
- lockreq = LK_EXCLUSIVE | LK_NOWAIT;
- if (waitfor == MNT_SUSPEND) {
- suspend = 1;
- waitfor = MNT_WAIT;
- }
- if (waitfor == MNT_WAIT)
- lockreq = LK_EXCLUSIVE;
- lockreq |= LK_INTERLOCK | LK_SLEEPFAIL;
- loop:
- /* Grab snapshot of secondary write counts */
- MNT_ILOCK(mp);
- secondary_writes = mp->mnt_secondary_writes;
- secondary_accwrites = mp->mnt_secondary_accwrites;
- MNT_IUNLOCK(mp);
- /* Grab snapshot of softdep dependency counts */
- softdep_get_depcounts(mp, &softdep_deps, &softdep_accdeps);
- MNT_VNODE_FOREACH_ALL(vp, mp, mvp) {
- /*
- * Depend on the vnode interlock to keep things stable enough
- * for a quick test. Since there might be hundreds of
- * thousands of vnodes, we cannot afford even a subroutine
- * call unless there's a good chance that we have work to do.
- */
- if (vp->v_type == VNON) {
- VI_UNLOCK(vp);
- continue;
- }
- ip = VTOI(vp);
- if ((ip->i_flag &
- (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 &&
- vp->v_bufobj.bo_dirty.bv_cnt == 0) {
- VI_UNLOCK(vp);
- continue;
- }
- if ((error = vget(vp, lockreq, td)) != 0) {
- if (error == ENOENT || error == ENOLCK) {
- MNT_VNODE_FOREACH_ALL_ABORT(mp, mvp);
- goto loop;
- }
- continue;
- }
- if ((error = ffs_syncvnode(vp, waitfor, 0)) != 0)
- allerror = error;
- vput(vp);
- }
- /*
- * Force stale filesystem control information to be flushed.
- */
- if (waitfor == MNT_WAIT || rebooting) {
- if ((error = softdep_flushworklist(ump->um_mountp, &count, td)))
- allerror = error;
- /* Flushed work items may create new vnodes to clean */
- if (allerror == 0 && count)
- goto loop;
- }
- #ifdef QUOTA
- qsync(mp);
- #endif
- devvp = ump->um_devvp;
- bo = &devvp->v_bufobj;
- BO_LOCK(bo);
- if (bo->bo_numoutput > 0 || bo->bo_dirty.bv_cnt > 0) {
- BO_UNLOCK(bo);
- vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
- error = VOP_FSYNC(devvp, waitfor, td);
- VOP_UNLOCK(devvp, 0);
- if (MOUNTEDSOFTDEP(mp) && (error == 0 || error == EAGAIN))
- error = ffs_sbupdate(ump, waitfor, 0);
- if (error != 0)
- allerror = error;
- if (allerror == 0 && waitfor == MNT_WAIT)
- goto loop;
- } else if (suspend != 0) {
- if (softdep_check_suspend(mp,
- devvp,
- softdep_deps,
- softdep_accdeps,
- secondary_writes,
- secondary_accwrites) != 0) {
- MNT_IUNLOCK(mp);
- goto loop; /* More work needed */
- }
- mtx_assert(MNT_MTX(mp), MA_OWNED);
- mp->mnt_kern_flag |= MNTK_SUSPEND2 | MNTK_SUSPENDED;
- MNT_IUNLOCK(mp);
- suspended = 1;
- } else
- BO_UNLOCK(bo);
- /*
- * Write back modified superblock.
- */
- if (fs->fs_fmod != 0 &&
- (error = ffs_sbupdate(ump, waitfor, suspended)) != 0)
- allerror = error;
- return (allerror);
- }
- #endif // 0
- int
- ffs_vget(MountPoint *mp, ino_t ino, int flags, vnode **vpp)
- {
- return (ffs_vgetf(mp, ino, flags, vpp, 0));
- }
- int
- ffs_vgetf(MountPoint *mp, ino_t ino, int flags, vnode **vpp, int ffs_flags)
- {
- Fs *fs;
- inode *ip;
- ufsmount *ump;
- void *buf;
- vnode *vp;
- int error;
- error = findexistingvnode(mp, ino, vpp);
- if (error || *vpp != nil)
- return (error);
- /*
- * We must promote to an exclusive lock for vnode creation. This
- * can happen if lookup is passed LOCKSHARED.
- */
- //if ((flags & LK_TYPE_MASK) == LK_SHARED) {
- // flags &= ~LK_TYPE_MASK;
- // flags |= LK_EXCLUSIVE;
- //}
- /*
- * We do not lock vnode creation as it is believed to be too
- * expensive for such rare case as simultaneous creation of vnode
- * for same ino by different processes. We just allow them to race
- * and check later to decide who wins. Let the race begin!
- */
- ump = mp->mnt_data;
- fs = ump->um_fs;
- ip = smalloc(sizeof(inode));
- /* Allocate a new vnode/inode. */
- error = getnewvnode(mp, &vp);
- if (error) {
- *vpp = nil;
- free(ip);
- return (error);
- }
- /*
- * FFS supports recursive locking.
- */
- if (flags & LK_EXCLUSIVE) {
- wlock(&vp->vnlock);
- } else if (flags & LK_SHARED) {
- rlock(&vp->vnlock);
- }
- //VN_LOCK_AREC(vp);
- vp->data = ip;
- //vp->v_bufobj.bo_bsize = fs->fs_bsize;
- ip->i_vnode = vp;
- ip->i_ump = ump;
- ip->i_number = ino;
- ip->i_ea_refs = 0;
- ip->i_nextclustercg = -1;
- ip->i_flag = IN_UFS2;
- #ifdef QUOTA
- {
- int i;
- for (i = 0; i < MAXQUOTAS; i++)
- ip->i_dquot[i] = NODQUOT;
- }
- #endif
- // TODO HARVEY Need to add vnode to collection in mountpoint
- //if (ffs_flags & FFSV_FORCEINSMQ)
- // vp->v_vflag |= VV_FORCEINSMQ;
- //error = insmntque(vp, mp);
- //if (error != 0) {
- // ufree(ip);
- // *vpp = nil;
- // return (error);
- //}
- // TODO HARVEY Implement hashing at some point
- //vp->v_vflag &= ~VV_FORCEINSMQ;
- //error = vfs_hash_insert(vp, ino, flags, curthread, vpp, nil, nil);
- //if (error || *vpp != nil)
- // return (error);
- /* Read in the disk contents for the inode, copy into the inode. */
- error = bread(mp, fsbtodb(fs, ino_to_fsba(fs, ino)),
- (int)fs->fs_bsize, &buf);
- if (error) {
- /*
- * The inode does not contain anything useful, so it would
- * be misleading to leave it on its hash chain. With mode
- * still zero, it will be unlinked and returned to the free
- * list by vput().
- */
- free(buf);
- releaseufsvnode(mp, vp);
- *vpp = nil;
- return (error);
- }
- ip->din2 = smalloc(sizeof(ufs2_dinode));
- ffs_load_inode(buf, ip, fs, ino);
- // TODO HARVEY SOFTDEP
- //if (DOINGSOFTDEP(vp))
- // softdep_load_inodeblock(ip);
- //else
- ip->i_effnlink = ip->i_nlink;
- free(buf);
- /*
- * Initialize the vnode from the inode, check for aliases.
- * Note that the underlying vnode may have changed.
- */
- error = ufs_vinit(mp, &vp);
- if (error) {
- releaseufsvnode(mp, vp);
- *vpp = nil;
- return (error);
- }
- /*
- * Finish inode initialization.
- */
- /* FFS supports shared locking for all files except fifos. */
- //VN_LOCK_ASHARE(vp);
- /*
- * Set up a generation number for this inode if it does not
- * already have one. This should only happen on old filesystems.
- */
- if (ip->i_gen == 0) {
- while (ip->i_gen == 0) {
- // i_gen is uint64_t, but arc4random() (which was
- // previously the source here), returns uint32_t.
- // lrand() returns int32_t, which isn't ideal but it's
- // all we have right now
- ip->i_gen = lrand();
- }
- if ((vp->mount->mnt_flag & MNT_RDONLY) == 0) {
- ip->i_flag |= IN_MODIFIED;
- ip->din2->di_gen = ip->i_gen;
- }
- }
- #ifdef MAC
- if ((mp->mnt_flag & MNT_MULTILABEL) && ip->i_mode) {
- /*
- * If this vnode is already allocated, and we're running
- * multi-label, attempt to perform a label association
- * from the extended attributes on the inode.
- */
- error = mac_vnode_associate_extattr(mp, vp);
- if (error) {
- /* ufs_inactive will release ip->i_devvp ref. */
- vput(vp);
- *vpp = nil;
- return (error);
- }
- }
- #endif
- *vpp = vp;
- return (0);
- }
- #if 0
- /*
- * File handle to vnode
- *
- * Have to be really careful about stale file handles:
- * - check that the inode number is valid
- * - for UFS2 check that the inode number is initialized
- * - call ffs_vget() to get the locked inode
- * - check for an unallocated inode (i_mode == 0)
- * - check that the given client host has export rights and return
- * those rights via. exflagsp and credanonp
- */
- static int
- ffs_fhtovp (struct mount *mp, struct fid *fhp, int flags, struct vnode **vpp)
- {
- struct ufid *ufhp;
- struct ufsmount *ump;
- struct fs *fs;
- struct cg *cgp;
- struct buf *bp;
- ino_t ino;
- uint cg;
- int error;
- ufhp = (struct ufid *)fhp;
- ino = ufhp->ufid_ino;
- ump = VFSTOUFS(mp);
- fs = ump->um_fs;
- if (ino < UFS_ROOTINO || ino >= fs->fs_ncg * fs->fs_ipg)
- return (ESTALE);
- /*
- * Need to check if inode is initialized because UFS2 does lazy
- * initialization and nfs_fhtovp can offer arbitrary inode numbers.
- */
- if (fs->fs_magic != FS_UFS2_MAGIC)
- return (ufs_fhtovp(mp, ufhp, flags, vpp));
- cg = ino_to_cg(fs, ino);
- error = bread(ump->um_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
- if (error)
- return (error);
- cgp = (struct cg *)bp->b_data;
- if (!cg_chkmagic(cgp) || ino >= cg * fs->fs_ipg + cgp->cg_initediblk) {
- brelse(bp);
- return (ESTALE);
- }
- brelse(bp);
- return (ufs_fhtovp(mp, ufhp, flags, vpp));
- }
- #endif // 0
- /*
- * Initialize the filesystem.
- */
- int
- ffs_init ()
- {
- ffs_susp_initialize();
- softdep_initialize();
- return (ufs_init());
- }
- /*
- * Undo the work of ffs_init().
- */
- int
- ffs_uninit ()
- {
- int ret;
- ret = ufs_uninit();
- softdep_uninitialize();
- ffs_susp_uninitialize();
- return (ret);
- }
- /*
- * Write a superblock and associated information back to disk.
- */
- int
- ffs_sbupdate (ufsmount *ump, int waitfor, int suspended)
- {
- int allerror = 0;
- print("HARVEY TODO: %s\n", __func__);
- #if 0
- struct fs *fs = ump->um_fs;
- struct buf *sbbp;
- struct buf *bp;
- int blks;
- void *space;
- int i, size, error, allerror = 0;
- if (fs->fs_ronly == 1 &&
- (ump->um_mountp->mnt_flag & (MNT_RDONLY | MNT_UPDATE)) !=
- (MNT_RDONLY | MNT_UPDATE) && ump->um_fsckpid == 0)
- panic("ffs_sbupdate: write read-only filesystem");
- /*
- * We use the superblock's buf to serialize calls to ffs_sbupdate().
- */
- sbbp = getblk(ump->um_devvp, btodb(fs->fs_sblockloc),
- (int)fs->fs_sbsize, 0, 0, 0);
- /*
- * First write back the summary information.
- */
- blks = howmany(fs->fs_cssize, fs->fs_fsize);
- space = fs->fs_csp;
- for (i = 0; i < blks; i += fs->fs_frag) {
- size = fs->fs_bsize;
- if (i + fs->fs_frag > blks)
- size = (blks - i) * fs->fs_fsize;
- bp = getblk(ump->um_devvp, fsbtodb(fs, fs->fs_csaddr + i),
- size, 0, 0, 0);
- bcopy(space, bp->b_data, (uint)size);
- space = (char *)space + size;
- if (suspended)
- bp->b_flags |= B_VALIDSUSPWRT;
- if (waitfor != MNT_WAIT)
- bawrite(bp);
- else if ((error = bwrite(bp)) != 0)
- allerror = error;
- }
- /*
- * Now write back the superblock itself. If any errors occurred
- * up to this point, then fail so that the superblock avoids
- * being written out as clean.
- */
- if (allerror) {
- brelse(sbbp);
- return (allerror);
- }
- bp = sbbp;
- if (fs->fs_magic == FS_UFS1_MAGIC && fs->fs_sblockloc != SBLOCK_UFS1 &&
- (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0) {
- printf("WARNING: %s: correcting fs_sblockloc from %jd to %d\n",
- fs->fs_fsmnt, fs->fs_sblockloc, SBLOCK_UFS1);
- fs->fs_sblockloc = SBLOCK_UFS1;
- }
- if (fs->fs_magic == FS_UFS2_MAGIC && fs->fs_sblockloc != SBLOCK_UFS2 &&
- (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0) {
- printf("WARNING: %s: correcting fs_sblockloc from %jd to %d\n",
- fs->fs_fsmnt, fs->fs_sblockloc, SBLOCK_UFS2);
- fs->fs_sblockloc = SBLOCK_UFS2;
- }
- fs->fs_fmod = 0;
- fs->fs_time = time_second;
- if (MOUNTEDSOFTDEP(ump->um_mountp))
- softdep_setup_sbupdate(ump, (struct fs *)bp->b_data, bp);
- bcopy((caddr_t)fs, bp->b_data, (uint)fs->fs_sbsize);
- ffs_oldfscompat_write((struct fs *)bp->b_data, ump);
- if (suspended)
- bp->b_flags |= B_VALIDSUSPWRT;
- if (waitfor != MNT_WAIT)
- bawrite(bp);
- else if ((error = bwrite(bp)) != 0)
- allerror = error;
- #endif // 0
- return (allerror);
- }
- #if 0
- static int
- ffs_extattrctl(struct mount *mp, int cmd, struct vnode *filename_vp,
- int attrnamespace, const char *attrname)
- {
- #ifdef UFS_EXTATTR
- return (ufs_extattrctl(mp, cmd, filename_vp, attrnamespace,
- attrname));
- #else
- return (vfs_stdextattrctl(mp, cmd, filename_vp, attrnamespace,
- attrname));
- #endif
- }
- #endif // 0
- static void
- ffs_ifree(ufsmount *ump, inode *ip)
- {
- print("HARVEY TODO: %s\n", __func__);
- #if 0
- if (ump->um_fstype == UFS1 && ip->i_din1 != nil)
- uma_zfree(uma_ufs1, ip->i_din1);
- else if (ip->i_din2 != nil)
- uma_zfree(uma_ufs2, ip->i_din2);
- uma_zfree(uma_inode, ip);
- #endif // 0
- }
- #if 0
- static int dobkgrdwrite = 1;
- SYSCTL_INT(_debug, OID_AUTO, dobkgrdwrite, CTLFLAG_RW, &dobkgrdwrite, 0,
- "Do background writes (honoring the BV_BKGRDWRITE flag)?");
- /*
- * Complete a background write started from bwrite.
- */
- static void
- ffs_backgroundwritedone(struct buf *bp)
- {
- struct bufobj *bufobj;
- struct buf *origbp;
- /*
- * Find the original buffer that we are writing.
- */
- bufobj = bp->b_bufobj;
- BO_LOCK(bufobj);
- if ((origbp = gbincore(bp->b_bufobj, bp->b_lblkno)) == nil)
- panic("backgroundwritedone: lost buffer");
- /*
- * We should mark the cylinder group buffer origbp as
- * dirty, to not loose the failed write.
- */
- if ((bp->b_ioflags & BIO_ERROR) != 0)
- origbp->b_vflags |= BV_BKGRDERR;
- BO_UNLOCK(bufobj);
- /*
- * Process dependencies then return any unfinished ones.
- */
- pbrelvp(bp);
- if (!LIST_EMPTY(&bp->b_dep) && (bp->b_ioflags & BIO_ERROR) == 0)
- buf_complete(bp);
- #ifdef SOFTUPDATES
- if (!LIST_EMPTY(&bp->b_dep))
- softdep_move_dependencies(bp, origbp);
- #endif
- /*
- * This buffer is marked B_NOCACHE so when it is released
- * by biodone it will be tossed.
- */
- bp->b_flags |= B_NOCACHE;
- bp->b_flags &= ~B_CACHE;
- /*
- * Prevent brelse() from trying to keep and re-dirtying bp on
- * errors. It causes b_bufobj dereference in
- * bdirty()/reassignbuf(), and b_bufobj was cleared in
- * pbrelvp() above.
- */
- if ((bp->b_ioflags & BIO_ERROR) != 0)
- bp->b_flags |= B_INVAL;
- bufdone(bp);
- BO_LOCK(bufobj);
- /*
- * Clear the BV_BKGRDINPROG flag in the original buffer
- * and awaken it if it is waiting for the write to complete.
- * If BV_BKGRDINPROG is not set in the original buffer it must
- * have been released and re-instantiated - which is not legal.
- */
- KASSERT((origbp->b_vflags & BV_BKGRDINPROG),
- ("backgroundwritedone: lost buffer2"));
- origbp->b_vflags &= ~BV_BKGRDINPROG;
- if (origbp->b_vflags & BV_BKGRDWAIT) {
- origbp->b_vflags &= ~BV_BKGRDWAIT;
- wakeup(&origbp->b_xflags);
- }
- BO_UNLOCK(bufobj);
- }
- /*
- * Write, release buffer on completion. (Done by iodone
- * if async). Do not bother writing anything if the buffer
- * is invalid.
- *
- * Note that we set B_CACHE here, indicating that buffer is
- * fully valid and thus cacheable. This is true even of NFS
- * now so we set it generally. This could be set either here
- * or in biodone() since the I/O is synchronous. We put it
- * here.
- */
- static int
- ffs_bufwrite(struct buf *bp)
- {
- struct buf *newbp;
- CTR3(KTR_BUF, "bufwrite(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
- if (bp->b_flags & B_INVAL) {
- brelse(bp);
- return (0);
- }
- if (!BUF_ISLOCKED(bp))
- panic("bufwrite: buffer is not busy???");
- /*
- * If a background write is already in progress, delay
- * writing this block if it is asynchronous. Otherwise
- * wait for the background write to complete.
- */
- BO_LOCK(bp->b_bufobj);
- if (bp->b_vflags & BV_BKGRDINPROG) {
- if (bp->b_flags & B_ASYNC) {
- BO_UNLOCK(bp->b_bufobj);
- bdwrite(bp);
- return (0);
- }
- bp->b_vflags |= BV_BKGRDWAIT;
- msleep(&bp->b_xflags, BO_LOCKPTR(bp->b_bufobj), PRIBIO,
- "bwrbg", 0);
- if (bp->b_vflags & BV_BKGRDINPROG)
- panic("bufwrite: still writing");
- }
- bp->b_vflags &= ~BV_BKGRDERR;
- BO_UNLOCK(bp->b_bufobj);
- /*
- * If this buffer is marked for background writing and we
- * do not have to wait for it, make a copy and write the
- * copy so as to leave this buffer ready for further use.
- *
- * This optimization eats a lot of memory. If we have a page
- * or buffer shortfall we can't do it.
- */
- if (dobkgrdwrite && (bp->b_xflags & BX_BKGRDWRITE) &&
- (bp->b_flags & B_ASYNC) &&
- !vm_page_count_severe() &&
- !buf_dirty_count_severe()) {
- KASSERT(bp->b_iodone == nil,
- ("bufwrite: needs chained iodone (%p)", bp->b_iodone));
- /* get a new block */
- newbp = geteblk(bp->b_bufsize, GB_NOWAIT_BD);
- if (newbp == nil)
- goto normal_write;
- KASSERT(buf_mapped(bp), ("Unmapped cg"));
- memcpy(newbp->b_data, bp->b_data, bp->b_bufsize);
- BO_LOCK(bp->b_bufobj);
- bp->b_vflags |= BV_BKGRDINPROG;
- BO_UNLOCK(bp->b_bufobj);
- newbp->b_xflags |= BX_BKGRDMARKER;
- newbp->b_lblkno = bp->b_lblkno;
- newbp->b_blkno = bp->b_blkno;
- newbp->b_offset = bp->b_offset;
- newbp->b_iodone = ffs_backgroundwritedone;
- newbp->b_flags |= B_ASYNC;
- newbp->b_flags &= ~B_INVAL;
- pbgetvp(bp->b_vp, newbp);
- #ifdef SOFTUPDATES
- /*
- * Move over the dependencies. If there are rollbacks,
- * leave the parent buffer dirtied as it will need to
- * be written again.
- */
- if (LIST_EMPTY(&bp->b_dep) ||
- softdep_move_dependencies(bp, newbp) == 0)
- bundirty(bp);
- #else
- bundirty(bp);
- #endif
- /*
- * Initiate write on the copy, release the original. The
- * BKGRDINPROG flag prevents it from going away until
- * the background write completes.
- */
- bqrelse(bp);
- bp = newbp;
- } else
- /* Mark the buffer clean */
- bundirty(bp);
- /* Let the normal bufwrite do the rest for us */
- normal_write:
- return (bufwrite(bp));
- }
- static void
- ffs_geom_strategy(struct bufobj *bo, struct buf *bp)
- {
- struct vnode *vp;
- int error;
- struct buf *tbp;
- int nocopy;
- vp = bo2vnode(bo);
- if (bp->b_iocmd == BIO_WRITE) {
- if ((bp->b_flags & B_VALIDSUSPWRT) == 0 &&
- bp->b_vp != nil && bp->b_vp->v_mount != nil &&
- (bp->b_vp->v_mount->mnt_kern_flag & MNTK_SUSPENDED) != 0)
- panic("ffs_geom_strategy: bad I/O");
- nocopy = bp->b_flags & B_NOCOPY;
- bp->b_flags &= ~(B_VALIDSUSPWRT | B_NOCOPY);
- if ((vp->v_vflag & VV_COPYONWRITE) && nocopy == 0 &&
- vp->v_rdev->si_snapdata != nil) {
- if ((bp->b_flags & B_CLUSTER) != 0) {
- runningbufwakeup(bp);
- TAILQ_FOREACH(tbp, &bp->b_cluster.cluster_head,
- b_cluster.cluster_entry) {
- error = ffs_copyonwrite(vp, tbp);
- if (error != 0 &&
- error != EOPNOTSUPP) {
- bp->b_error = error;
- bp->b_ioflags |= BIO_ERROR;
- bufdone(bp);
- return;
- }
- }
- bp->b_runningbufspace = bp->b_bufsize;
- atomic_add_long(&runningbufspace,
- bp->b_runningbufspace);
- } else {
- error = ffs_copyonwrite(vp, bp);
- if (error != 0 && error != EOPNOTSUPP) {
- bp->b_error = error;
- bp->b_ioflags |= BIO_ERROR;
- bufdone(bp);
- return;
- }
- }
- }
- #ifdef SOFTUPDATES
- if ((bp->b_flags & B_CLUSTER) != 0) {
- TAILQ_FOREACH(tbp, &bp->b_cluster.cluster_head,
- b_cluster.cluster_entry) {
- if (!LIST_EMPTY(&tbp->b_dep))
- buf_start(tbp);
- }
- } else {
- if (!LIST_EMPTY(&bp->b_dep))
- buf_start(bp);
- }
- #endif
- }
- g_vfs_strategy(bo, bp);
- }
- int
- ffs_own_mount(const struct mount *mp)
- {
- if (mp->mnt_op == &ufs_vfsops)
- return (1);
- return (0);
- }
- #ifdef DDB
- #ifdef SOFTUPDATES
- /* defined in ffs_softdep.c */
- extern void db_print_ffs(struct ufsmount *ump);
- int
- DB_SHOW_COMMAND (int ffs, int db_show_ffs)
- {
- struct mount *mp;
- struct ufsmount *ump;
- if (have_addr) {
- ump = VFSTOUFS((struct mount *)addr);
- db_print_ffs(ump);
- return;
- }
- TAILQ_FOREACH(mp, &mountlist, mnt_list) {
- if (!strcmp(mp->mnt_stat.f_fstypename, ufs_vfsconf.vfc_name))
- db_print_ffs(VFSTOUFS(mp));
- }
- }
- #endif /* SOFTUPDATES */
- #endif /* DDB */
- #endif // 0
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