#include <errno.h>
#endif
#include <assert.h>
+#ifdef HAVE_PTHREAD
+#include <pthread.h>
+#endif
#include "e2fsck.h"
#include <ext2fs/ext2_ext_attr.h>
static void mark_inode_bad(e2fsck_t ctx, ext2_ino_t ino);
static void add_casefolded_dir(e2fsck_t ctx, ext2_ino_t ino);
static void handle_fs_bad_blocks(e2fsck_t ctx);
-static void process_inodes(e2fsck_t ctx, char *block_buf);
static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b);
static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
dgrp_t group, void * priv_data);
};
struct scan_callback_struct {
- e2fsck_t ctx;
- char *block_buf;
+ e2fsck_t ctx;
+ char *block_buf;
+ struct process_inode_block *inodes_to_process;
+ int *process_inode_count;
};
-/*
- * For the inodes to process list.
- */
-static struct process_inode_block *inodes_to_process;
-static int process_inode_count;
+static void process_inodes(e2fsck_t ctx, char *block_buf,
+ struct process_inode_block *inodes_to_process,
+ int *process_inode_count);
static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE -
EXT2_MIN_BLOCK_LOG_SIZE + 1];
return 0;
}
-void e2fsck_pass1_thread(e2fsck_t ctx)
+void e2fsck_pass1_run(e2fsck_t ctx)
{
int i;
- __u64 max_sizes;
ext2_filsys fs = ctx->fs;
ext2_ino_t ino = 0;
struct ext2_inode *inode = NULL;
ext2_ino_t ino_threshold = 0;
dgrp_t ra_group = 0;
struct ea_quota ea_ibody_quota;
+ struct process_inode_block *inodes_to_process;
+ int process_inode_count;
time_t tm;
init_resource_track(&rtrack, ctx->fs->io);
mtrace_print("Pass 1");
#endif
-#define EXT2_BPP(bits) (1ULL << ((bits) - 2))
-
- for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
- max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
- max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
- max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
- max_sizes = (max_sizes * (1UL << i));
- ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
- }
-#undef EXT2_BPP
-
imagic_fs = ext2fs_has_feature_imagic_inodes(sb);
extent_fs = ext2fs_has_feature_extents(sb);
inlinedata_fs = ext2fs_has_feature_inline_data(sb);
}
pctx.errcode = e2fsck_allocate_inode_bitmap(fs,
_("directory inode map"),
+ ctx->global_ctx ? EXT2FS_BMAP64_RBTREE :
EXT2FS_BMAP64_AUTODIR,
"inode_dir_map", &ctx->inode_dir_map);
if (pctx.errcode) {
ctx->stashed_inode = inode;
scan_struct.ctx = ctx;
scan_struct.block_buf = block_buf;
+ scan_struct.inodes_to_process = inodes_to_process;
+ scan_struct.process_inode_count = &process_inode_count;
ext2fs_set_inode_callback(scan, scan_callback, &scan_struct);
if (ctx->progress && ((ctx->progress)(ctx, 1, 0,
ctx->fs->group_desc_count)))
/* Set up ctx->lost_and_found if possible */
(void) e2fsck_get_lost_and_found(ctx, 0);
+#ifdef HAVE_PTHREAD
+ if (ctx->global_ctx) {
+ if (ctx->options & E2F_OPT_DEBUG &&
+ ctx->options & E2F_OPT_MULTITHREAD)
+ fprintf(stderr, "thread %d jumping to group %d\n",
+ ctx->thread_info.et_thread_index,
+ ctx->thread_info.et_group_start);
+ pctx.errcode = ext2fs_inode_scan_goto_blockgroup(scan,
+ ctx->thread_info.et_group_start);
+ if (pctx.errcode) {
+ fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ goto endit;
+ }
+ }
+#endif
+
while (1) {
if (ino % (fs->super->s_inodes_per_group * 4) == 1) {
if (e2fsck_mmp_update(fs))
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
continue;
}
+ if (pctx.errcode == EXT2_ET_SCAN_FINISHED)
+ break;
if (pctx.errcode &&
pctx.errcode != EXT2_ET_INODE_CSUM_INVALID &&
pctx.errcode != EXT2_ET_INODE_IS_GARBAGE) {
}
if (!ino)
break;
+#ifdef HAVE_PTHREAD
+ if (ctx->global_ctx)
+ ctx->thread_info.et_inode_number++;
+#endif
pctx.ino = ino;
pctx.inode = inode;
ctx->stashed_ino = ino;
goto endit;
if (process_inode_count >= ctx->process_inode_size) {
- process_inodes(ctx, block_buf);
+ process_inodes(ctx, block_buf, inodes_to_process,
+ &process_inode_count);
if (e2fsck_should_abort(ctx))
goto endit;
}
}
- process_inodes(ctx, block_buf);
+ process_inodes(ctx, block_buf, inodes_to_process,
+ &process_inode_count);
ext2fs_close_inode_scan(scan);
scan = NULL;
ctx->invalid_bitmaps++;
}
-static errcode_t e2fsck_pass1_copy_fs(ext2_filsys dest, ext2_filsys src)
+static void init_ext2_max_sizes()
+{
+ int i;
+ __u64 max_sizes;
+
+ /*
+ * Init ext2_max_sizes which will be immutable and shared between
+ * threads
+ */
+#define EXT2_BPP(bits) (1ULL << ((bits) - 2))
+
+ for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
+ max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
+ max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
+ max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
+ max_sizes = (max_sizes * (1UL << i));
+ ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
+ }
+#undef EXT2_BPP
+}
+
+#ifdef HAVE_PTHREAD
+static errcode_t e2fsck_pass1_copy_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
+ ext2fs_generic_bitmap *dest)
+{
+ errcode_t ret;
+
+ ret = ext2fs_copy_bitmap(*src, dest);
+ if (ret)
+ return ret;
+
+ (*dest)->fs = fs;
+
+ return 0;
+}
+
+static void e2fsck_pass1_free_bitmap(ext2fs_generic_bitmap *bitmap)
+{
+ if (*bitmap) {
+ ext2fs_free_generic_bmap(*bitmap);
+ *bitmap = NULL;
+ }
+
+}
+
+static errcode_t e2fsck_pass1_merge_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
+ ext2fs_generic_bitmap *dest)
+{
+ errcode_t ret = 0;
+
+ if (*src) {
+ if (*dest == NULL) {
+ *dest = *src;
+ *src = NULL;
+ } else {
+ ret = ext2fs_merge_bitmap(*src, *dest, NULL, NULL);
+ if (ret)
+ return ret;
+ }
+ (*dest)->fs = fs;
+ }
+
+ return 0;
+}
+
+static errcode_t e2fsck_pass1_copy_fs(ext2_filsys dest, e2fsck_t src_context,
+ ext2_filsys src)
{
errcode_t retval;
memcpy(dest, src, sizeof(struct struct_ext2_filsys));
+ dest->inode_map = NULL;
+ dest->block_map = NULL;
+ dest->badblocks = NULL;
if (dest->dblist)
dest->dblist->fs = dest;
- if (dest->inode_map)
- dest->inode_map->fs = dest;
- if (dest->block_map)
- dest->block_map->fs = dest;
+ if (src->block_map) {
+ retval = e2fsck_pass1_copy_bitmap(dest, &src->block_map,
+ &dest->block_map);
+ if (retval)
+ return retval;
+ }
+ if (src->inode_map) {
+ retval = e2fsck_pass1_copy_bitmap(dest, &src->inode_map,
+ &dest->inode_map);
+ if (retval)
+ return retval;
+ }
+ if (src->badblocks) {
+ retval = ext2fs_badblocks_copy(src->badblocks,
+ &dest->badblocks);
+ if (retval)
+ return retval;
+ }
+
+ /* disable it for now */
+ src_context->openfs_flags &= ~EXT2_FLAG_EXCLUSIVE;
+ retval = ext2fs_open_channel(dest, src_context->io_options,
+ src_context->io_manager,
+ src_context->openfs_flags,
+ src->io->block_size);
+ if (retval)
+ return retval;
+
+ /* Block size might not be default */
+ io_channel_set_blksize(dest->io, src->io->block_size);
+ ehandler_init(dest->io);
+
+ assert(dest->io->magic == src->io->magic);
+ assert(dest->io->manager == src->io->manager);
+ assert(strcmp(dest->io->name, src->io->name) == 0);
+ assert(dest->io->block_size == src->io->block_size);
+ assert(dest->io->read_error == src->io->read_error);
+ assert(dest->io->write_error == src->io->write_error);
+ assert(dest->io->refcount == src->io->refcount);
+ assert(dest->io->flags == src->io->flags);
+ assert(dest->io->app_data == dest);
+ assert(src->io->app_data == src);
+ assert(dest->io->align == src->io->align);
+
+ /* The data should be written to disk immediately */
+ dest->io->flags |= CHANNEL_FLAGS_WRITETHROUGH;
/* icache will be rebuilt if needed, so do not copy from @src */
src->icache = NULL;
return 0;
}
-static void e2fsck_pass1_merge_fs(ext2_filsys dest, ext2_filsys src)
+static int e2fsck_pass1_merge_fs(ext2_filsys dest, ext2_filsys src)
{
struct ext2_inode_cache *icache = dest->icache;
+ errcode_t retval = 0;
+ io_channel dest_io;
+ io_channel dest_image_io;
+ ext2fs_inode_bitmap inode_map;
+ ext2fs_block_bitmap block_map;
+ ext2_badblocks_list badblocks;
+
+ dest_io = dest->io;
+ dest_image_io = dest->image_io;
+ inode_map = dest->inode_map;
+ block_map = dest->block_map;
+ badblocks = dest->badblocks;
memcpy(dest, src, sizeof(struct struct_ext2_filsys));
+ dest->io = dest_io;
+ dest->image_io = dest_image_io;
+ dest->icache = icache;
+ dest->inode_map = inode_map;
+ dest->block_map = block_map;
+ dest->badblocks = badblocks;
if (dest->dblist)
dest->dblist->fs = dest;
- if (dest->inode_map)
- dest->inode_map->fs = dest;
- if (dest->block_map)
- dest->block_map->fs = dest;
- dest->icache = icache;
if (src->icache) {
ext2fs_free_inode_cache(src->icache);
src->icache = NULL;
}
+
+ retval = e2fsck_pass1_merge_bitmap(dest, &src->inode_map,
+ &dest->inode_map);
+ if (retval)
+ goto out;
+
+ retval = e2fsck_pass1_merge_bitmap(dest, &src->block_map,
+ &dest->block_map);
+ if (retval)
+ goto out;
+
+ if (src->badblocks) {
+ if (dest->badblocks == NULL)
+ retval = ext2fs_badblocks_copy(src->badblocks,
+ &dest->badblocks);
+ else
+ retval = ext2fs_badblocks_merge(src->badblocks,
+ dest->badblocks);
+ }
+out:
+ io_channel_close(src->io);
+ if (src->inode_map)
+ ext2fs_free_generic_bmap(src->inode_map);
+ if (src->block_map)
+ ext2fs_free_generic_bmap(src->block_map);
+ if (src->badblocks)
+ ext2fs_badblocks_list_free(src->badblocks);
+ return retval;
}
-static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thread_ctx)
+static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thread_ctx,
+ int thread_index, int num_threads)
{
- errcode_t retval;
- e2fsck_t thread_context;
- ext2_filsys thread_fs;
- ext2_filsys global_fs = global_ctx->fs;
+ errcode_t retval;
+ e2fsck_t thread_context;
+ ext2_filsys thread_fs;
+ ext2_filsys global_fs = global_ctx->fs;
+ struct e2fsck_thread *tinfo;
+ dgrp_t average_group;
assert(global_ctx->inode_used_map == NULL);
assert(global_ctx->inode_dir_map == NULL);
goto out_context;
}
- retval = e2fsck_pass1_copy_fs(thread_fs, global_fs);
+ io_channel_flush_cleanup(global_fs->io);
+ retval = e2fsck_pass1_copy_fs(thread_fs, global_ctx, global_fs);
if (retval) {
com_err(global_ctx->program_name, retval, "while copying fs");
goto out_fs;
}
thread_fs->priv_data = thread_context;
+ thread_context->thread_info.et_thread_index = thread_index;
+ set_up_logging(thread_context);
+
+ /*
+ * Distribute work to multiple threads:
+ * Each thread work on fs->group_desc_count / nthread groups.
+ */
+ tinfo = &thread_context->thread_info;
+ average_group = thread_fs->group_desc_count / num_threads;
+ if (average_group == 0)
+ average_group = 1;
+ tinfo->et_group_start = average_group * thread_index;
+ if (thread_index == num_threads - 1)
+ tinfo->et_group_end = thread_fs->group_desc_count;
+ else
+ tinfo->et_group_end = average_group * (thread_index + 1);
+ tinfo->et_group_next = tinfo->et_group_start;
+ tinfo->et_inode_number = 0;
+ tinfo->et_log_buf[0] = '\0';
+ tinfo->et_log_length = 0;
+ if (thread_context->options & E2F_OPT_MULTITHREAD)
+ log_out(thread_context, _("Scan group range [%d, %d)\n"),
+ tinfo->et_group_start, tinfo->et_group_end);
thread_context->fs = thread_fs;
*thread_ctx = thread_context;
return 0;
return retval;
}
-static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+static void e2fsck_pass1_merge_dir_info(e2fsck_t global_ctx, e2fsck_t thread_ctx)
{
- int flags = global_ctx->flags;
- ext2_filsys thread_fs = thread_ctx->fs;
- ext2_filsys global_fs = global_ctx->fs;
+ if (thread_ctx->dir_info == NULL)
+ return;
+
+ if (global_ctx->dir_info == NULL) {
+ global_ctx->dir_info = thread_ctx->dir_info;
+ thread_ctx->dir_info = NULL;
+ return;
+ }
+
+ e2fsck_merge_dir_info(global_ctx, thread_ctx->dir_info,
+ global_ctx->dir_info);
+}
+
+static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+ errcode_t retval;
+ int flags = global_ctx->flags;
+ ext2_filsys thread_fs = thread_ctx->fs;
+ ext2_filsys global_fs = global_ctx->fs;
+ FILE *global_logf = global_ctx->logf;
+ FILE *global_problem_logf = global_ctx->problem_logf;
+ ext2fs_inode_bitmap inode_bad_map = global_ctx->inode_bad_map;
+ struct dir_info_db *dir_info = global_ctx->dir_info;
+ ext2fs_inode_bitmap inode_used_map = global_ctx->inode_used_map;
+ ext2fs_inode_bitmap inode_dir_map = global_ctx->inode_dir_map;
+ ext2fs_inode_bitmap inode_bb_map = global_ctx->inode_bb_map;
+ ext2fs_inode_bitmap inode_imagic_map = global_ctx->inode_imagic_map;
+ ext2fs_inode_bitmap inode_reg_map = global_ctx->inode_reg_map;
+ ext2fs_block_bitmap block_found_map = global_ctx->block_found_map;
+ ext2fs_block_bitmap block_dup_map = global_ctx->block_dup_map;
+ ext2fs_block_bitmap block_ea_map = global_ctx->block_ea_map;
+ ext2fs_block_bitmap block_metadata_map = global_ctx->block_metadata_map;
+ ext2fs_block_bitmap inodes_to_rebuild = global_ctx->inodes_to_rebuild;
+
#ifdef HAVE_SETJMP_H
- jmp_buf old_jmp;
+ jmp_buf old_jmp;
memcpy(old_jmp, global_ctx->abort_loc, sizeof(jmp_buf));
#endif
#ifdef HAVE_SETJMP_H
memcpy(global_ctx->abort_loc, old_jmp, sizeof(jmp_buf));
#endif
+
+ global_ctx->inode_used_map = inode_used_map;
+ global_ctx->inode_bad_map = inode_bad_map;
+ global_ctx->inode_dir_map = inode_dir_map;
+ global_ctx->inode_bb_map = inode_bb_map;
+ global_ctx->inode_imagic_map = inode_imagic_map;
+ global_ctx->inodes_to_rebuild = inodes_to_rebuild;
+ global_ctx->inode_reg_map = inode_reg_map;
+ global_ctx->block_found_map = block_found_map;
+ global_ctx->block_dup_map = block_dup_map;
+ global_ctx->block_ea_map = block_ea_map;
+ global_ctx->block_metadata_map = block_metadata_map;
+ global_ctx->dir_info = dir_info;
+ e2fsck_pass1_merge_dir_info(global_ctx, thread_ctx);
+
/* Keep the global singal flags*/
global_ctx->flags |= (flags & E2F_FLAG_SIGNAL_MASK) |
(global_ctx->flags & E2F_FLAG_SIGNAL_MASK);
- e2fsck_pass1_merge_fs(global_fs, thread_fs);
+ retval = e2fsck_pass1_merge_fs(global_fs, thread_fs);
+ if (retval) {
+ com_err(global_ctx->program_name, 0, _("while merging fs\n"));
+ return retval;
+ }
global_fs->priv_data = global_ctx;
global_ctx->fs = global_fs;
+ global_ctx->logf = global_logf;
+ global_ctx->problem_logf = global_problem_logf;
+ global_ctx->global_ctx = NULL;
+
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_used_map,
+ &global_ctx->inode_used_map);
+ if (retval)
+ return retval;
+
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_bad_map,
+ &global_ctx->inode_bad_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_dir_map,
+ &global_ctx->inode_dir_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_bb_map,
+ &global_ctx->inode_bb_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_imagic_map,
+ &global_ctx->inode_imagic_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inode_reg_map,
+ &global_ctx->inode_reg_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->inodes_to_rebuild,
+ &global_ctx->inodes_to_rebuild);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->block_found_map,
+ &global_ctx->block_found_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->block_dup_map,
+ &global_ctx->block_dup_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->block_ea_map,
+ &global_ctx->block_ea_map);
+ if (retval)
+ return retval;
+ retval = e2fsck_pass1_merge_bitmap(global_fs,
+ &thread_ctx->block_metadata_map,
+ &global_ctx->block_metadata_map);
+ if (retval)
+ return retval;
- ext2fs_free_mem(&thread_ctx->fs);
- ext2fs_free_mem(&thread_ctx);
return 0;
}
-void e2fsck_pass1_multithread(e2fsck_t ctx)
+static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
{
errcode_t retval;
- e2fsck_t thread_ctx;
- retval = e2fsck_pass1_thread_prepare(ctx, &thread_ctx);
- if (retval) {
- com_err(ctx->program_name, 0,
- _("while preparing pass1 thread\n"));
- ctx->flags |= E2F_FLAG_ABORT;
- return;
+ retval = e2fsck_pass1_thread_join_one(global_ctx, thread_ctx);
+ ext2fs_free_mem(&thread_ctx->fs);
+ if (thread_ctx->logf)
+ fclose(thread_ctx->logf);
+ if (thread_ctx->problem_logf) {
+ fputs("</problem_log>\n", thread_ctx->problem_logf);
+ fclose(thread_ctx->problem_logf);
+ }
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_used_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_bad_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_dir_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_bb_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_imagic_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inode_reg_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->inodes_to_rebuild);
+ e2fsck_pass1_free_bitmap(&thread_ctx->block_found_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->block_dup_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->block_ea_map);
+ e2fsck_pass1_free_bitmap(&thread_ctx->block_metadata_map);
+ e2fsck_free_dir_info(thread_ctx);
+ ext2fs_free_mem(&thread_ctx);
+
+ return retval;
+}
+
+static int e2fsck_pass1_threads_join(struct e2fsck_thread_info *infos,
+ int num_threads, e2fsck_t global_ctx)
+{
+ errcode_t rc;
+ errcode_t ret = 0;
+ int i;
+ struct e2fsck_thread_info *pinfo;
+
+ for (i = 0; i < num_threads; i++) {
+ pinfo = &infos[i];
+
+ if (!pinfo->eti_started)
+ continue;
+
+ rc = pthread_join(pinfo->eti_thread_id, NULL);
+ if (rc) {
+ com_err(global_ctx->program_name, rc,
+ _("while joining thread\n"));
+ if (ret == 0)
+ ret = rc;
+ }
+ rc = e2fsck_pass1_thread_join(global_ctx, infos[i].eti_thread_ctx);
+ if (rc) {
+ com_err(global_ctx->program_name, rc,
+ _("while joining pass1 thread\n"));
+ if (ret == 0)
+ ret = rc;
+ }
}
+ free(infos);
+
+ return ret;
+}
+
+static void *e2fsck_pass1_thread(void *arg)
+{
+ struct e2fsck_thread_info *info = arg;
+ e2fsck_t thread_ctx = info->eti_thread_ctx;
#ifdef HAVE_SETJMP_H
/*
*/
if (setjmp(thread_ctx->abort_loc)) {
thread_ctx->flags &= ~E2F_FLAG_SETJMP_OK;
- e2fsck_pass1_thread_join(ctx, thread_ctx);
- return;
+ goto out;
}
thread_ctx->flags |= E2F_FLAG_SETJMP_OK;
#endif
- e2fsck_pass1_thread(thread_ctx);
- retval = e2fsck_pass1_thread_join(ctx, thread_ctx);
+ e2fsck_pass1_run(thread_ctx);
+
+out:
+ if (thread_ctx->options & E2F_OPT_MULTITHREAD)
+ log_out(thread_ctx,
+ _("Scanned group range [%lu, %lu), inodes %lu\n"),
+ thread_ctx->thread_info.et_group_start,
+ thread_ctx->thread_info.et_group_end,
+ thread_ctx->thread_info.et_inode_number);
+ return NULL;
+}
+
+static int e2fsck_pass1_threads_start(struct e2fsck_thread_info **pinfo,
+ int num_threads, e2fsck_t global_ctx)
+{
+ struct e2fsck_thread_info *infos;
+ pthread_attr_t attr;
+ errcode_t retval;
+ errcode_t ret;
+ struct e2fsck_thread_info *tmp_pinfo;
+ int i;
+ e2fsck_t thread_ctx;
+
+ retval = pthread_attr_init(&attr);
if (retval) {
- com_err(ctx->program_name, 0,
- _("while joining pass1 thread\n"));
- ctx->flags |= E2F_FLAG_ABORT;
- return;
+ com_err(global_ctx->program_name, retval,
+ _("while setting pthread attribute\n"));
+ return retval;
+ }
+
+ infos = calloc(num_threads, sizeof(struct e2fsck_thread_info));
+ if (infos == NULL) {
+ retval = -ENOMEM;
+ com_err(global_ctx->program_name, retval,
+ _("while allocating memory for threads\n"));
+ pthread_attr_destroy(&attr);
+ return retval;
+ }
+
+ for (i = 0; i < num_threads; i++) {
+ tmp_pinfo = &infos[i];
+ tmp_pinfo->eti_thread_index = i;
+ retval = e2fsck_pass1_thread_prepare(global_ctx, &thread_ctx,
+ i, num_threads);
+ if (retval) {
+ com_err(global_ctx->program_name, retval,
+ _("while preparing pass1 thread\n"));
+ break;
+ }
+ tmp_pinfo->eti_thread_ctx = thread_ctx;
+
+ retval = pthread_create(&tmp_pinfo->eti_thread_id, &attr,
+ &e2fsck_pass1_thread, tmp_pinfo);
+ if (retval) {
+ com_err(global_ctx->program_name, retval,
+ _("while creating thread\n"));
+ e2fsck_pass1_thread_join(global_ctx, thread_ctx);
+ break;
+ }
+
+ tmp_pinfo->eti_started = 1;
}
+
+ /* destroy the thread attribute object, since it is no longer needed */
+ ret = pthread_attr_destroy(&attr);
+ if (ret) {
+ com_err(global_ctx->program_name, ret,
+ _("while destroying thread attribute\n"));
+ if (retval == 0)
+ retval = ret;
+ }
+
+ if (retval) {
+ e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
+ return retval;
+ }
+ *pinfo = infos;
+ return 0;
+}
+
+static void e2fsck_pass1_multithread(e2fsck_t global_ctx)
+{
+ struct e2fsck_thread_info *infos = NULL;
+ int num_threads = 1;
+ errcode_t retval;
+
+ retval = e2fsck_pass1_threads_start(&infos, num_threads, global_ctx);
+ if (retval) {
+ com_err(global_ctx->program_name, retval,
+ _("while starting pass1 threads\n"));
+ goto out_abort;
+ }
+
+ retval = e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
+ if (retval) {
+ com_err(global_ctx->program_name, retval,
+ _("while joining pass1 threads\n"));
+ goto out_abort;
+ }
+ return;
+out_abort:
+ global_ctx->flags |= E2F_FLAG_ABORT;
+ return;
+}
+#endif
+
+/* TODO: tdb needs to be handled properly for multiple threads*/
+static int multiple_threads_supported(e2fsck_t ctx)
+{
+#ifdef CONFIG_TDB
+ unsigned int threshold;
+ ext2_ino_t num_dirs;
+ errcode_t retval;
+ char *tdb_dir;
+ int enable;
+
+ profile_get_string(ctx->profile, "scratch_files", "directory", 0, 0,
+ &tdb_dir);
+ profile_get_uint(ctx->profile, "scratch_files",
+ "numdirs_threshold", 0, 0, &threshold);
+ profile_get_boolean(ctx->profile, "scratch_files",
+ "icount", 0, 1, &enable);
+
+ retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs);
+ if (retval)
+ num_dirs = 1024; /* Guess */
+
+ /* tdb is unsupported now */
+ if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
+ (!threshold || num_dirs > threshold))
+ return 0;
+ #endif
+ return 1;
}
void e2fsck_pass1(e2fsck_t ctx)
{
- e2fsck_pass1_multithread(ctx);
+
+ init_ext2_max_sizes();
+#ifdef HAVE_PTHREAD
+ if (multiple_threads_supported(ctx)) {
+ e2fsck_pass1_multithread(ctx);
+ return;
+ }
+ fprintf(stderr, "Fall through single thread for pass1 "
+ "because tdb could not handle properly\n");
+#endif
+ e2fsck_pass1_run(ctx);
}
#undef FINISH_INODE_LOOP
{
struct scan_callback_struct *scan_struct;
e2fsck_t ctx;
+ struct e2fsck_thread *tinfo;
scan_struct = (struct scan_callback_struct *) priv_data;
ctx = scan_struct->ctx;
- process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf);
+ process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf,
+ scan_struct->inodes_to_process,
+ scan_struct->process_inode_count);
if (ctx->progress)
if ((ctx->progress)(ctx, 1, group+1,
ctx->fs->group_desc_count))
return EXT2_ET_CANCEL_REQUESTED;
+#ifdef HAVE_PTHREAD
+ if (ctx->global_ctx) {
+ tinfo = &ctx->thread_info;
+ tinfo->et_group_next++;
+ if (ctx->options & E2F_OPT_DEBUG &&
+ ctx->options & E2F_OPT_MULTITHREAD)
+ log_out(ctx, _("group %d finished\n"),
+ tinfo->et_group_next);
+ if (tinfo->et_group_next >= tinfo->et_group_end)
+ return EXT2_ET_SCAN_FINISHED;
+ }
+#endif
+
return 0;
}
/*
* Process the inodes in the "inodes to process" list.
*/
-static void process_inodes(e2fsck_t ctx, char *block_buf)
+static void process_inodes(e2fsck_t ctx, char *block_buf,
+ struct process_inode_block *inodes_to_process,
+ int *process_inode_count)
{
int i;
struct ext2_inode *old_stashed_inode;
#if 0
printf("begin process_inodes: ");
#endif
- if (process_inode_count == 0)
+ if (*process_inode_count == 0)
return;
old_operation = ehandler_operation(0);
old_stashed_inode = ctx->stashed_inode;
old_stashed_ino = ctx->stashed_ino;
- qsort(inodes_to_process, process_inode_count,
+ qsort(inodes_to_process, *process_inode_count,
sizeof(struct process_inode_block), process_inode_cmp);
clear_problem_context(&pctx);
- for (i=0; i < process_inode_count; i++) {
+ for (i=0; i < *process_inode_count; i++) {
pctx.inode = ctx->stashed_inode =
(struct ext2_inode *) &inodes_to_process[i].inode;
pctx.ino = ctx->stashed_ino = inodes_to_process[i].ino;
}
ctx->stashed_inode = old_stashed_inode;
ctx->stashed_ino = old_stashed_ino;
- process_inode_count = 0;
+ *process_inode_count = 0;
#if 0
printf("end process inodes\n");
#endif