diff options
| -rw-r--r-- | fs/ext4/namei.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 213523803df..86a7870babb 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -974,39 +974,30 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, const struct q struct super_block * sb = dir->i_sb; struct dx_hash_info hinfo; struct dx_frame frames[2], *frame; - struct ext4_dir_entry_2 *de, *top; struct buffer_head *bh; ext4_lblk_t block; int retval; - int namelen = d_name->len; - const u8 *name = d_name->name; if (!(frame = dx_probe(d_name, dir, &hinfo, frames, err))) return NULL; do { block = dx_get_block(frame->at); - if (!(bh = ext4_bread (NULL,dir, block, 0, err))) + if (!(bh = ext4_bread(NULL, dir, block, 0, err))) goto errout; - de = (struct ext4_dir_entry_2 *) bh->b_data; - top = (struct ext4_dir_entry_2 *) ((char *) de + sb->s_blocksize - - EXT4_DIR_REC_LEN(0)); - for (; de < top; de = ext4_next_entry(de, sb->s_blocksize)) { - int off = (block << EXT4_BLOCK_SIZE_BITS(sb)) - + ((char *) de - bh->b_data); - - if (!ext4_check_dir_entry(dir, de, bh, off)) { - brelse(bh); - *err = ERR_BAD_DX_DIR; - goto errout; - } - if (ext4_match(namelen, name, de)) { - *res_dir = de; - dx_release(frames); - return bh; - } + retval = search_dirblock(bh, dir, d_name, + block << EXT4_BLOCK_SIZE_BITS(sb), + res_dir); + if (retval == 1) { /* Success! */ + dx_release(frames); + return bh; } brelse(bh); + if (retval == -1) { + *err = ERR_BAD_DX_DIR; + goto errout; + } + /* Check to see if we should continue to search */ retval = ext4_htree_next_block(dir, hinfo.hash, frame, frames, NULL); |