diff options
Diffstat (limited to 'fs/adfs/dir_fplus.c')
| -rw-r--r-- | fs/adfs/dir_fplus.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c index 6f2dbcf6819b..393921f5121e 100644 --- a/fs/adfs/dir_fplus.c +++ b/fs/adfs/dir_fplus.c @@ -7,6 +7,15 @@ #include "adfs.h" #include "dir_fplus.h" +/* Return the byte offset to directory entry pos */ +static unsigned int adfs_fplus_offset(const struct adfs_bigdirheader *h, + unsigned int pos) +{ + return offsetof(struct adfs_bigdirheader, bigdirname) + + ALIGN(le32_to_cpu(h->bigdirnamelen), 4) + + pos * sizeof(struct adfs_bigdirentry); +} + static int adfs_fplus_read(struct super_block *sb, u32 indaddr, unsigned int size, struct adfs_dir *dir) { @@ -83,9 +92,7 @@ adfs_fplus_getnext(struct adfs_dir *dir, struct object_info *obj) if (dir->pos >= le32_to_cpu(h->bigdirentries)) return -ENOENT; - offset = offsetof(struct adfs_bigdirheader, bigdirname); - offset += ((le32_to_cpu(h->bigdirnamelen) + 4) & ~3); - offset += dir->pos * sizeof(struct adfs_bigdirentry); + offset = adfs_fplus_offset(h, dir->pos); ret = adfs_dir_copyfrom(&bde, dir, offset, sizeof(struct adfs_bigdirentry)); @@ -99,9 +106,7 @@ adfs_fplus_getnext(struct adfs_dir *dir, struct object_info *obj) obj->attr = le32_to_cpu(bde.bigdirattr); obj->name_len = le32_to_cpu(bde.bigdirobnamelen); - offset = offsetof(struct adfs_bigdirheader, bigdirname); - offset += ((le32_to_cpu(h->bigdirnamelen) + 4) & ~3); - offset += le32_to_cpu(h->bigdirentries) * sizeof(struct adfs_bigdirentry); + offset = adfs_fplus_offset(h, le32_to_cpu(h->bigdirentries)); offset += le32_to_cpu(bde.bigdirobnameptr); ret = adfs_dir_copyfrom(obj->name, dir, offset, obj->name_len); |