+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Oracle. All Rights Reserved.
- *
* Author: Darrick J. Wong <darrick.wong@oracle.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "xfs.h"
#include <unistd.h>
#include <dirent.h>
#include <stdint.h>
#include <pthread.h>
-#include "libfrog.h"
-#include "workqueue.h"
+#include "libfrog/util.h"
+#include "libfrog/workqueue.h"
#include "input.h"
-#include "path.h"
+#include "libfrog/paths.h"
#include "handle.h"
#include "bitops.h"
-#include "avl64.h"
+#include "libfrog/avl64.h"
#include "list.h"
#include "xfs_scrub.h"
#include "common.h"
#include "disk.h"
#include "scrub.h"
+#include "repair.h"
+#include "libfrog/fsgeom.h"
/* Phase 1: Find filesystem geometry (and clean up after) */
flag = XFS_FSOP_GOING_FLAGS_LOGFLUSH;
str_info(ctx, ctx->mntpoint, _("Shutting down filesystem!"));
- if (ioctl(ctx->mnt_fd, XFS_IOC_GOINGDOWN, &flag))
+ if (ioctl(ctx->mnt.fd, XFS_IOC_GOINGDOWN, &flag))
str_errno(ctx, ctx->mntpoint);
}
/* Clean up the XFS-specific state data. */
-bool
-xfs_cleanup_fs(
+int
+scrub_cleanup(
struct scrub_ctx *ctx)
{
int error;
+ action_lists_free(&ctx->action_lists);
if (ctx->fshandle)
free_handle(ctx->fshandle, ctx->fshandle_len);
if (ctx->rtdev)
if (ctx->datadev)
disk_close(ctx->datadev);
fshandle_destroy();
- error = close(ctx->mnt_fd);
+ error = -xfd_close(&ctx->mnt);
if (error)
- str_errno(ctx, _("closing mountpoint fd"));
+ str_liberror(ctx, error, _("closing mountpoint fd"));
fs_table_destroy();
- return true;
+ return error;
}
/*
* Bind to the mountpoint, read the XFS geometry, bind to the block devices.
- * Anything we've already built will be cleaned up by xfs_cleanup_fs.
+ * Anything we've already built will be cleaned up by scrub_cleanup.
*/
-bool
-xfs_setup_fs(
+int
+phase1_func(
struct scrub_ctx *ctx)
{
int error;
* CAP_SYS_ADMIN, which we probably need to do anything fancy
* with the (XFS driver) kernel.
*/
- ctx->mnt_fd = open(ctx->mntpoint, O_RDONLY | O_NOATIME | O_DIRECTORY);
- if (ctx->mnt_fd < 0) {
- if (errno == EPERM)
- str_info(ctx, ctx->mntpoint,
+ error = -xfd_open(&ctx->mnt, ctx->mntpoint,
+ O_RDONLY | O_NOATIME | O_DIRECTORY);
+ if (error) {
+ if (error == EPERM)
+ str_error(ctx, ctx->mntpoint,
_("Must be root to run scrub."));
+ else if (error == ENOTTY)
+ str_error(ctx, ctx->mntpoint,
+_("Not an XFS filesystem."));
else
- str_errno(ctx, ctx->mntpoint);
- return false;
+ str_liberror(ctx, error, ctx->mntpoint);
+ return error;
}
- error = fstat(ctx->mnt_fd, &ctx->mnt_sb);
+ error = fstat(ctx->mnt.fd, &ctx->mnt_sb);
if (error) {
str_errno(ctx, ctx->mntpoint);
- return false;
+ return error;
}
- error = fstatvfs(ctx->mnt_fd, &ctx->mnt_sv);
+ error = fstatvfs(ctx->mnt.fd, &ctx->mnt_sv);
if (error) {
str_errno(ctx, ctx->mntpoint);
- return false;
+ return error;
}
- error = fstatfs(ctx->mnt_fd, &ctx->mnt_sf);
+ error = fstatfs(ctx->mnt.fd, &ctx->mnt_sf);
if (error) {
str_errno(ctx, ctx->mntpoint);
- return false;
- }
-
- ctx->nr_io_threads = nproc;
- if (verbose) {
- fprintf(stdout, _("%s: using %d threads to scrub.\n"),
- ctx->mntpoint, scrub_nproc(ctx));
- fflush(stdout);
- }
-
- if (!platform_test_xfs_fd(ctx->mnt_fd)) {
- str_info(ctx, ctx->mntpoint,
-_("Does not appear to be an XFS filesystem!"));
- return false;
+ return error;
}
/*
* This seems to reduce the incidence of stale file handle
* errors when we open things by handle.
*/
- error = syncfs(ctx->mnt_fd);
+ error = syncfs(ctx->mnt.fd);
if (error) {
str_errno(ctx, ctx->mntpoint);
- return false;
+ return error;
}
- /* Retrieve XFS geometry. */
- error = ioctl(ctx->mnt_fd, XFS_IOC_FSGEOMETRY, &ctx->geo);
+ error = action_lists_alloc(ctx->mnt.fsgeom.agcount,
+ &ctx->action_lists);
if (error) {
- str_errno(ctx, ctx->mntpoint);
- return false;
+ str_liberror(ctx, error, _("allocating action lists"));
+ return error;
}
- ctx->agblklog = log2_roundup(ctx->geo.agblocks);
- ctx->blocklog = highbit32(ctx->geo.blocksize);
- ctx->inodelog = highbit32(ctx->geo.inodesize);
- ctx->inopblog = ctx->blocklog - ctx->inodelog;
-
error = path_to_fshandle(ctx->mntpoint, &ctx->fshandle,
&ctx->fshandle_len);
if (error) {
str_errno(ctx, _("getting fshandle"));
- return false;
+ return error;
}
/* Do we have kernel-assisted metadata scrubbing? */
!xfs_can_scrub_bmap(ctx) || !xfs_can_scrub_dir(ctx) ||
!xfs_can_scrub_attr(ctx) || !xfs_can_scrub_symlink(ctx) ||
!xfs_can_scrub_parent(ctx)) {
- str_info(ctx, ctx->mntpoint,
+ str_error(ctx, ctx->mntpoint,
_("Kernel metadata scrubbing facility is not available."));
- return false;
+ return ECANCELED;
}
/* Do we need kernel-assisted metadata repair? */
if (ctx->mode != SCRUB_MODE_DRY_RUN && !xfs_can_repair(ctx)) {
- str_info(ctx, ctx->mntpoint,
+ str_error(ctx, ctx->mntpoint,
_("Kernel metadata repair facility is not available. Use -n to scrub."));
- return false;
+ return ECANCELED;
}
/* Did we find the log and rt devices, if they're present? */
- if (ctx->geo.logstart == 0 && ctx->fsinfo.fs_log == NULL) {
- str_info(ctx, ctx->mntpoint,
+ if (ctx->mnt.fsgeom.logstart == 0 && ctx->fsinfo.fs_log == NULL) {
+ str_error(ctx, ctx->mntpoint,
_("Unable to find log device path."));
- return false;
+ return ECANCELED;
}
- if (ctx->geo.rtblocks && ctx->fsinfo.fs_rt == NULL) {
- str_info(ctx, ctx->mntpoint,
+ if (ctx->mnt.fsgeom.rtblocks && ctx->fsinfo.fs_rt == NULL) {
+ str_error(ctx, ctx->mntpoint,
_("Unable to find realtime device path."));
- return false;
+ return ECANCELED;
}
/* Open the raw devices. */
ctx->datadev = disk_open(ctx->fsinfo.fs_name);
if (error) {
str_errno(ctx, ctx->fsinfo.fs_name);
- return false;
+ return error;
+ }
+
+ ctx->nr_io_threads = disk_heads(ctx->datadev);
+ if (verbose) {
+ fprintf(stdout, _("%s: using %d threads to scrub.\n"),
+ ctx->mntpoint, scrub_nproc(ctx));
+ fflush(stdout);
}
if (ctx->fsinfo.fs_log) {
ctx->logdev = disk_open(ctx->fsinfo.fs_log);
if (error) {
str_errno(ctx, ctx->fsinfo.fs_name);
- return false;
+ return error;
}
}
if (ctx->fsinfo.fs_rt) {
ctx->rtdev = disk_open(ctx->fsinfo.fs_rt);
if (error) {
str_errno(ctx, ctx->fsinfo.fs_name);
- return false;
+ return error;
}
}
*/
log_info(ctx, _("Invoking online scrub."), ctx);
ctx->scrub_setup_succeeded = true;
- return true;
+ return 0;
}