On 03/10, Yunlei He wrote:
> If an encrypted block has been read to memory, we just dirty it
> and return directly.
>
> Signed-off-by: Yunlei He <heyun...@huawei.com>
> ---
> fs/f2fs/gc.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index 418fd98..ca94518 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -564,7 +564,7 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct
> f2fs_summary *sum,
> }
>
> static void move_encrypted_block(struct inode *inode, block_t bidx,
> - unsigned int segno, int
> off)
> + int gc_type, unsigned int segno, int
> off)
> {
> struct f2fs_io_info fio = {
> .sbi = F2FS_I_SB(inode),
> @@ -607,6 +607,12 @@ static void move_encrypted_block(struct inode *inode,
> block_t bidx,
> */
> f2fs_wait_on_page_writeback(page, DATA, true);
>
> + if (gc_type == BG_GC && PageUptodate(page) &&
> + fscrypt_has_encryption_key(inode)) {
Why do we need the encryption key?
Thanks,
> + set_page_dirty(page);
> + goto put_out;
> + }
> +
> get_node_info(fio.sbi, dn.nid, &ni);
> set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
>
> @@ -827,7 +833,8 @@ static void gc_data_segment(struct f2fs_sb_info *sbi,
> struct f2fs_summary *sum,
> start_bidx = start_bidx_of_node(nofs, inode)
> + ofs_in_node;
> if (f2fs_encrypted_inode(inode) &&
> S_ISREG(inode->i_mode))
> - move_encrypted_block(inode, start_bidx, segno,
> off);
> + move_encrypted_block(inode, start_bidx,
> + gc_type, segno,
> off);
> else
> move_data_page(inode, start_bidx, gc_type,
> segno, off);
>
> --
> 2.10.1
>
>
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