#undef DIRINFO_DEBUG
+#include "config.h"
#include "e2fsck.h"
#include <sys/stat.h>
#include <fcntl.h>
#include "uuid/uuid.h"
+#include "ext2fs/ext2fs.h"
#include <ext2fs/tdb.h>
struct dir_info_db {
int size;
struct dir_info *array;
struct dir_info *last_lookup;
+#ifdef CONFIG_TDB
char *tdb_fn;
TDB_CONTEXT *tdb;
+#endif
};
struct dir_info_iter {
int i;
+#ifdef CONFIG_TDB
TDB_DATA tdb_iter;
+#endif
};
struct dir_info_ent {
static void e2fsck_put_dir_info(e2fsck_t ctx, struct dir_info *dir);
+#ifdef CONFIG_TDB
static void setup_tdb(e2fsck_t ctx, ext2_ino_t num_dirs)
{
struct dir_info_db *db = ctx->dir_info;
unsigned int threshold;
errcode_t retval;
+ mode_t save_umask;
char *tdb_dir, uuid[40];
int fd, enable;
uuid_unparse(ctx->fs->super->s_uuid, uuid);
sprintf(db->tdb_fn, "%s/%s-dirinfo-XXXXXX", tdb_dir, uuid);
+ save_umask = umask(077);
fd = mkstemp(db->tdb_fn);
- db->tdb = tdb_open(db->tdb_fn, 0, TDB_CLEAR_IF_FIRST,
+ umask(save_umask);
+ if (fd < 0) {
+ db->tdb = NULL;
+ return;
+ }
+
+ if (num_dirs < 99991)
+ num_dirs = 99991; /* largest 5 digit prime */
+
+ db->tdb = tdb_open(db->tdb_fn, num_dirs, TDB_NOLOCK | TDB_NOSYNC,
O_RDWR | O_CREAT | O_TRUNC, 0600);
close(fd);
}
+#endif
static void setup_db(e2fsck_t ctx)
{
if (retval)
num_dirs = 1024; /* Guess */
+#ifdef CONFIG_TDB
setup_tdb(ctx, num_dirs);
if (db->tdb) {
#endif
return;
}
+#endif
db->size = num_dirs + 10;
db->array = (struct dir_info *)
*/
void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent)
{
- struct dir_info_db *db;
- struct dir_info *dir, ent;
+ struct dir_info *dir, *old_array;
int i, j;
errcode_t retval;
unsigned long old_size;
#endif
if (!ctx->dir_info)
setup_db(ctx);
- db = ctx->dir_info;
if (ctx->dir_info->count >= ctx->dir_info->size) {
old_size = ctx->dir_info->size * sizeof(struct dir_info);
ctx->dir_info->size += 10;
+ old_array = ctx->dir_info->array;
retval = ext2fs_resize_mem(old_size, ctx->dir_info->size *
sizeof(struct dir_info),
- &ctx->dir_info);
+ &ctx->dir_info->array);
if (retval) {
+ fprintf(stderr, "Couldn't reallocate dir_info "
+ "structure to %d entries\n",
+ ctx->dir_info->size);
+ fatal_error(ctx, 0);
ctx->dir_info->size -= 10;
return;
}
+ if (old_array != ctx->dir_info->array)
+ ctx->dir_info->last_lookup = NULL;
}
- ent.ino = ino;
- ent.parent = parent;
- ent.dotdot = parent;
+#ifdef CONFIG_TDB
+ if (ctx->dir_info->tdb) {
+ struct dir_info ent;
- if (db->tdb) {
+ ent.ino = ino;
+ ent.parent = parent;
+ ent.dotdot = parent;
e2fsck_put_dir_info(ctx, &ent);
return;
}
+#endif
/*
* Normally, add_dir_info is called with each inode in
{
struct dir_info_db *db = ctx->dir_info;
int low, high, mid;
- struct dir_info_ent *buf;
- static struct dir_info ret_dir_info;
if (!db)
return 0;
printf("e2fsck_get_dir_info %d...", ino);
#endif
+#ifdef CONFIG_TDB
if (db->tdb) {
+ static struct dir_info ret_dir_info;
TDB_DATA key, data;
+ struct dir_info_ent *buf;
key.dptr = (unsigned char *) &ino;
key.dsize = sizeof(ext2_ino_t);
free(data.dptr);
return &ret_dir_info;
}
+#endif
if (db->last_lookup && db->last_lookup->ino == ino)
return db->last_lookup;
return 0;
}
-static void e2fsck_put_dir_info(e2fsck_t ctx, struct dir_info *dir)
+static void e2fsck_put_dir_info(e2fsck_t ctx EXT2FS_NO_TDB_UNUSED,
+ struct dir_info *dir EXT2FS_NO_TDB_UNUSED)
{
+#ifdef CONFIG_TDB
struct dir_info_db *db = ctx->dir_info;
struct dir_info_ent buf;
TDB_DATA key, data;
+#endif
#ifdef DIRINFO_DEBUG
printf("e2fsck_put_dir_info (%d, %d, %d)...", dir->ino, dir->dotdot,
dir->parent);
#endif
+#ifdef CONFIG_TDB
if (!db->tdb)
return;
if (tdb_store(db->tdb, key, data, TDB_REPLACE) == -1) {
printf("store failed: %s\n", tdb_errorstr(db->tdb));
}
- return;
+#endif
}
/*
void e2fsck_free_dir_info(e2fsck_t ctx)
{
if (ctx->dir_info) {
+#ifdef CONFIG_TDB
if (ctx->dir_info->tdb)
tdb_close(ctx->dir_info->tdb);
if (ctx->dir_info->tdb_fn) {
- unlink(ctx->dir_info->tdb_fn);
+ if (unlink(ctx->dir_info->tdb_fn) < 0)
+ com_err("e2fsck_free_dir_info", errno,
+ _("while freeing dir_info tdb file"));
free(ctx->dir_info->tdb_fn);
}
+#endif
+ if (ctx->dir_info->array)
+ ext2fs_free_mem(&ctx->dir_info->array);
+ ctx->dir_info->array = 0;
ctx->dir_info->size = 0;
ctx->dir_info->count = 0;
ext2fs_free_mem(&ctx->dir_info);
return ctx->dir_info ? ctx->dir_info->count : 0;
}
-extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx)
+struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx)
{
struct dir_info_iter *iter;
- struct dir_info_db *db = ctx->dir_info;
iter = e2fsck_allocate_memory(ctx, sizeof(struct dir_info_iter),
"dir_info iterator");
- memset(iter, 0, sizeof(iter));
- if (db->tdb)
- iter->tdb_iter = tdb_firstkey(db->tdb);
+#ifdef CONFIG_TDB
+ if (ctx->dir_info->tdb)
+ iter->tdb_iter = tdb_firstkey(ctx->dir_info->tdb);
+#endif
return iter;
}
-extern void e2fsck_dir_info_iter_end(e2fsck_t ctx EXT2FS_ATTR((unused)),
- struct dir_info_iter *iter)
+void e2fsck_dir_info_iter_end(e2fsck_t ctx EXT2FS_ATTR((unused)),
+ struct dir_info_iter *iter)
{
- if (iter->tdb_iter.dptr)
- free(iter->tdb_iter.dptr);
+#ifdef CONFIG_TDB
+ free(iter->tdb_iter.dptr);
+#endif
ext2fs_free_mem(&iter);
}
*/
struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, struct dir_info_iter *iter)
{
- TDB_DATA data, key;
- struct dir_info_db *db = ctx->dir_info;
- struct dir_info_ent *buf;
- static struct dir_info ret_dir_info;
-
if (!ctx->dir_info || !iter)
return 0;
- if (db->tdb) {
+#ifdef CONFIG_TDB
+ if (ctx->dir_info->tdb) {
+ static struct dir_info ret_dir_info;
+ struct dir_info_ent *buf;
+ TDB_DATA data, key;
+
if (iter->tdb_iter.dptr == 0)
return 0;
key = iter->tdb_iter;
- data = tdb_fetch(db->tdb, key);
+ data = tdb_fetch(ctx->dir_info->tdb, key);
if (!data.dptr) {
printf("iter fetch failed: %s\n",
- tdb_errorstr(db->tdb));
+ tdb_errorstr(ctx->dir_info->tdb));
return 0;
}
buf = (struct dir_info_ent *) data.dptr;
ret_dir_info.ino = *((ext2_ino_t *) iter->tdb_iter.dptr);
ret_dir_info.dotdot = buf->dotdot;
ret_dir_info.parent = buf->parent;
- iter->tdb_iter = tdb_nextkey(db->tdb, key);
+ iter->tdb_iter = tdb_nextkey(ctx->dir_info->tdb, key);
free(key.dptr);
free(data.dptr);
return &ret_dir_info;
}
+#endif
if (iter->i >= ctx->dir_info->count)
return 0;
projects / thirdparty / e2fsprogs.git / blobdiff