On 21/04/26 11:23AM, Joseph Qi wrote:
> Now set_buffer_uptodate() will test first and then set, so we don't have
> to check buffer_uptodate() first, remove it to simplify code.
Maybe we can change below function as well then.
No need to check same thing twice since set_buffer_uptodate() is already doing
the check.
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index b258e8279266..856bd9981409 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3749,7 +3749,7 @@ static inline int ext4_buffer_uptodate(struct buffer_head *bh)
* have to read the block because we may read the old data
* successfully.
*/
- if (!buffer_uptodate(bh) && buffer_write_io_error(bh))
+ if (buffer_write_io_error(bh))
set_buffer_uptodate(bh);
return buffer_uptodate(bh);
}
With that pls feel free to add:
Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
>
> Signed-off-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
> ---
> fs/ext4/inode.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 0948a43..9e02538 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -1065,10 +1065,8 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
> block++, block_start = block_end, bh = bh->b_this_page) {
> block_end = block_start + blocksize;
> if (block_end <= from || block_start >= to) {
> - if (PageUptodate(page)) {
> - if (!buffer_uptodate(bh))
> - set_buffer_uptodate(bh);
> - }
> + if (PageUptodate(page))
> + set_buffer_uptodate(bh);
> continue;
> }
> if (buffer_new(bh))
> @@ -1092,8 +1090,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
> }
> }
> if (PageUptodate(page)) {
> - if (!buffer_uptodate(bh))
> - set_buffer_uptodate(bh);
> + set_buffer_uptodate(bh);
> continue;
> }
> if (!buffer_uptodate(bh) && !buffer_delay(bh) &&
> --
> 1.8.3.1
>
