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btrfs: Cleanup existing name_len checks

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Since tree-checker has verified leaf when reading from disk, we don't
need the existing verify_dir_item() or btrfs_is_name_len_valid() checks.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2017-11-08 08:54:26 +08:00 • committed by David Sterba
parent ad7b0368f3
commit bae15d95e2
9 changed files with 9 additions and 186 deletions
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4
fs/btrfs/inode.c
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@ -5907,7 +5907,6 @@ static int btrfs_filldir(void *addr, int entries, struct dir_context *ctx)
static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_file_private *private = file->private_data;
struct btrfs_dir_item *di;
@ -5975,9 +5974,6 @@ again:
if (btrfs_should_delete_dir_index(&del_list, found_key.offset))
goto next;
di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);
if (verify_dir_item(fs_info, leaf, slot, di))
goto next;
name_len = btrfs_dir_name_len(leaf, di);
if ((total_len + sizeof(struct dir_entry) + name_len) >=
PAGE_SIZE) {