diff options
| -rw-r--r-- | fs/ext2/dir.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 5b5f52876b42..e7a1286e07c3 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -256,11 +256,10 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir) unsigned long npages = dir_pages(inode); unsigned chunk_mask = ~(ext2_chunk_size(inode)-1); unsigned char *types = NULL; - int need_revalidate = (filp->f_version != inode->i_version); - int ret; + int need_revalidate = filp->f_version != inode->i_version; if (pos > inode->i_size - EXT2_DIR_REC_LEN(1)) - goto success; + return 0; if (EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_FILETYPE)) types = ext2_filetype_table; @@ -275,12 +274,15 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir) "bad page in #%lu", inode->i_ino); filp->f_pos += PAGE_CACHE_SIZE - offset; - ret = -EIO; - goto done; + return -EIO; } kaddr = page_address(page); - if (need_revalidate) { - offset = ext2_validate_entry(kaddr, offset, chunk_mask); + if (unlikely(need_revalidate)) { + if (offset) { + offset = ext2_validate_entry(kaddr, offset, chunk_mask); + filp->f_pos = (n<<PAGE_CACHE_SHIFT) + offset; + } + filp->f_version = inode->i_version; need_revalidate = 0; } de = (ext2_dirent *)(kaddr+offset); @@ -289,9 +291,8 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir) if (de->rec_len == 0) { ext2_error(sb, __FUNCTION__, "zero-length directory entry"); - ret = -EIO; ext2_put_page(page); - goto done; + return -EIO; } if (de->inode) { int over; @@ -306,19 +307,14 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir) le32_to_cpu(de->inode), d_type); if (over) { ext2_put_page(page); - goto success; + return 0; } } filp->f_pos += le16_to_cpu(de->rec_len); } ext2_put_page(page); } - -success: - ret = 0; -done: - filp->f_version = inode->i_version; - return ret; + return 0; } /* |