xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ext4: remove buffer_uninit handling

Browse Source 
There isn't any need for setting BH_Uninit on buffers anymore.  It was
only used to signal we need to mark io_end as needing extent
conversion in add_bh_to_extent() but now we can mark the io_end
directly when mapping extent.

Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara
2013-06-04 13:19:34 -04:00
committed by Theodore Ts'o
parent 4e7ea81db5
commit 3613d22807
3 changed files with 8 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/ext4/page-io.c
View File

@@ -369,7 +369,6 @@ static int io_submit_add_bh(struct ext4_io_submit *io,
struct inode *inode,
struct buffer_head *bh)
{
ext4_io_end_t *io_end;
int ret;
if (io->io_bio && bh->b_blocknr != io->io_next_block) {
@@ -384,9 +383,6 @@ submit_and_retry:
ret = bio_add_page(io->io_bio, bh->b_page, bh->b_size, bh_offset(bh));
if (ret != bh->b_size)
goto submit_and_retry;
io_end = io->io_end;
if (test_clear_buffer_uninit(bh))
ext4_set_io_unwritten_flag(inode, io_end);
io->io_next_block++;
return 0;
}