{
if (EXFAT_B_TO_DEN(i_size_read(inode)) >= MAX_EXFAT_DENTRIES) {
/*
- * exFAT spec allows a dir to grow upto 8388608(256MB)
+ * exFAT spec allows a dir to grow up to 8388608(256MB)
* dentries
*/
return -ENOSPC;
hint_femp.eidx = EXFAT_HINT_NONE;
if (ei->hint_femp.eidx != EXFAT_HINT_NONE) {
- memcpy(&hint_femp, &ei->hint_femp,
- sizeof(struct exfat_hint_femp));
+ hint_femp = ei->hint_femp;
ei->hint_femp.eidx = EXFAT_HINT_NONE;
}
if (ret)
goto out;
- memcpy(&info->dir, p_dir, sizeof(struct exfat_chain));
+ info->dir = *p_dir;
info->entry = dentry;
info->flags = ALLOC_NO_FAT_CHAIN;
info->type = type;
info->size = 0;
info->num_subdirs = 0;
} else {
- int count;
- struct exfat_chain cdir;
-
info->attr = ATTR_SUBDIR;
info->start_clu = start_clu;
info->size = clu_size;
-
- exfat_chain_set(&cdir, info->start_clu,
- EXFAT_B_TO_CLU(info->size, sbi), info->flags);
- count = exfat_count_dir_entries(sb, &cdir);
- if (count < 0)
- return -EIO;
- info->num_subdirs = count + EXFAT_MIN_SUBDIR;
+ info->num_subdirs = EXFAT_MIN_SUBDIR;
}
memset(&info->crtime, 0, sizeof(info->crtime));
memset(&info->mtime, 0, sizeof(info->mtime));
struct super_block *sb = dir->i_sb;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
struct exfat_inode_info *ei = EXFAT_I(dir);
+ struct exfat_dentry *ep, *ep2;
+ struct exfat_entry_set_cache *es;
if (qname->len == 0)
return -ENOENT;
dentry = exfat_find_dir_entry(sb, ei, &cdir, &uni_name,
num_entries, TYPE_ALL);
- if ((dentry < 0) && (dentry != -EEXIST))
+ if (dentry < 0)
return dentry; /* -error value */
- memcpy(&info->dir, &cdir.dir, sizeof(struct exfat_chain));
+ info->dir = cdir;
info->entry = dentry;
info->num_subdirs = 0;
- /* root directory itself */
- if (unlikely(dentry == -EEXIST)) {
- int num_clu = 0;
+ es = exfat_get_dentry_set(sb, &cdir, dentry, ES_2_ENTRIES);
+ if (!es)
+ return -EIO;
+ ep = exfat_get_dentry_cached(es, 0);
+ ep2 = exfat_get_dentry_cached(es, 1);
+
+ info->type = exfat_get_entry_type(ep);
+ info->attr = le16_to_cpu(ep->dentry.file.attr);
+ info->size = le64_to_cpu(ep2->dentry.stream.valid_size);
+ if ((info->type == TYPE_FILE) && (info->size == 0)) {
+ info->flags = ALLOC_NO_FAT_CHAIN;
+ info->start_clu = EXFAT_EOF_CLUSTER;
+ } else {
+ info->flags = ep2->dentry.stream.flags;
+ info->start_clu =
+ le32_to_cpu(ep2->dentry.stream.start_clu);
+ }
- info->type = TYPE_DIR;
- info->attr = ATTR_SUBDIR;
- info->flags = ALLOC_FAT_CHAIN;
- info->start_clu = sbi->root_dir;
- memset(&info->crtime, 0, sizeof(info->crtime));
- memset(&info->mtime, 0, sizeof(info->mtime));
- memset(&info->atime, 0, sizeof(info->atime));
-
- exfat_chain_set(&cdir, sbi->root_dir, 0, ALLOC_FAT_CHAIN);
- if (exfat_count_num_clusters(sb, &cdir, &num_clu))
- return -EIO;
- info->size = num_clu << sbi->cluster_size_bits;
+ exfat_get_entry_time(sbi, &info->crtime,
+ ep->dentry.file.create_tz,
+ ep->dentry.file.create_time,
+ ep->dentry.file.create_date,
+ ep->dentry.file.create_time_cs);
+ exfat_get_entry_time(sbi, &info->mtime,
+ ep->dentry.file.modify_tz,
+ ep->dentry.file.modify_time,
+ ep->dentry.file.modify_date,
+ ep->dentry.file.modify_time_cs);
+ exfat_get_entry_time(sbi, &info->atime,
+ ep->dentry.file.access_tz,
+ ep->dentry.file.access_time,
+ ep->dentry.file.access_date,
+ 0);
+ exfat_free_dentry_set(es, false);
+
+ if (ei->start_clu == EXFAT_FREE_CLUSTER) {
+ exfat_fs_error(sb,
+ "non-zero size file starts with zero cluster (size : %llu, p_dir : %u, entry : 0x%08x)",
+ i_size_read(dir), ei->dir.dir, ei->entry);
+ return -EIO;
+ }
+ if (info->type == TYPE_DIR) {
+ exfat_chain_set(&cdir, info->start_clu,
+ EXFAT_B_TO_CLU(info->size, sbi), info->flags);
count = exfat_count_dir_entries(sb, &cdir);
if (count < 0)
return -EIO;
- info->num_subdirs = count;
- } else {
- struct exfat_dentry *ep, *ep2;
- struct exfat_entry_set_cache *es;
-
- es = exfat_get_dentry_set(sb, &cdir, dentry, ES_2_ENTRIES);
- if (!es)
- return -EIO;
- ep = exfat_get_dentry_cached(es, 0);
- ep2 = exfat_get_dentry_cached(es, 1);
-
- info->type = exfat_get_entry_type(ep);
- info->attr = le16_to_cpu(ep->dentry.file.attr);
- info->size = le64_to_cpu(ep2->dentry.stream.valid_size);
- if ((info->type == TYPE_FILE) && (info->size == 0)) {
- info->flags = ALLOC_NO_FAT_CHAIN;
- info->start_clu = EXFAT_EOF_CLUSTER;
- } else {
- info->flags = ep2->dentry.stream.flags;
- info->start_clu =
- le32_to_cpu(ep2->dentry.stream.start_clu);
- }
-
- if (ei->start_clu == EXFAT_FREE_CLUSTER) {
- exfat_fs_error(sb,
- "non-zero size file starts with zero cluster (size : %llu, p_dir : %u, entry : 0x%08x)",
- i_size_read(dir), ei->dir.dir, ei->entry);
- exfat_free_dentry_set(es, false);
- return -EIO;
- }
-
- exfat_get_entry_time(sbi, &info->crtime,
- ep->dentry.file.create_tz,
- ep->dentry.file.create_time,
- ep->dentry.file.create_date,
- ep->dentry.file.create_time_cs);
- exfat_get_entry_time(sbi, &info->mtime,
- ep->dentry.file.modify_tz,
- ep->dentry.file.modify_time,
- ep->dentry.file.modify_date,
- ep->dentry.file.modify_time_cs);
- exfat_get_entry_time(sbi, &info->atime,
- ep->dentry.file.access_tz,
- ep->dentry.file.access_time,
- ep->dentry.file.access_date,
- 0);
- exfat_free_dentry_set(es, false);
-
- if (info->type == TYPE_DIR) {
- exfat_chain_set(&cdir, info->start_clu,
- EXFAT_B_TO_CLU(info->size, sbi), info->flags);
- count = exfat_count_dir_entries(sb, &cdir);
- if (count < 0)
- return -EIO;
-
- info->num_subdirs = count + EXFAT_MIN_SUBDIR;
- }
+ info->num_subdirs = count + EXFAT_MIN_SUBDIR;
}
return 0;
}
if (!epnew)
return -EIO;
- memcpy(epnew, epold, DENTRY_SIZE);
+ *epnew = *epold;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
epnew->dentry.file.attr |= cpu_to_le16(ATTR_ARCHIVE);
ei->attr |= ATTR_ARCHIVE;
return -EIO;
}
- memcpy(epnew, epold, DENTRY_SIZE);
+ *epnew = *epold;
exfat_update_bh(new_bh, sync);
brelse(old_bh);
brelse(new_bh);
if (!epmov)
return -EIO;
- /* check if the source and target directory is the same */
- if (exfat_get_entry_type(epmov) == TYPE_DIR &&
- le32_to_cpu(epmov->dentry.stream.start_clu) == p_newdir->dir)
- return -EINVAL;
-
num_old_entries = exfat_count_ext_entries(sb, p_olddir, oldentry,
epmov);
if (num_old_entries < 0)
if (!epnew)
return -EIO;
- memcpy(epnew, epmov, DENTRY_SIZE);
+ *epnew = *epmov;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
epnew->dentry.file.attr |= cpu_to_le16(ATTR_ARCHIVE);
ei->attr |= ATTR_ARCHIVE;
return -EIO;
}
- memcpy(epnew, epmov, DENTRY_SIZE);
+ *epnew = *epmov;
exfat_update_bh(new_bh, IS_DIRSYNC(inode));
brelse(mov_bh);
brelse(new_bh);
projects / linux-2.6-microblaze.git / blobdiff