From: Qu Wenruo <wqu@suse.com>
To: linux-btrfs@vger.kernel.org
Subject: [PATCH v3 02/26] btrfs: remove unnecessary parameter @delalloc_start for writepage_delalloc()
Date: Mon, 27 Sep 2021 15:21:44 +0800 [thread overview]
Message-ID: <20210927072208.21634-3-wqu@suse.com> (raw)
In-Reply-To: <20210927072208.21634-1-wqu@suse.com>
In function __extent_writepage() we always pass page start to
@delalloc_start for writepage_delalloc().
Thus we don't really need @delalloc_start parameter as we can extract it
from @page.
So this patch will remove @delalloc_start parameter and make
__extent_writepage() to declare @page_start and @page_end as const.
Signed-off-by: Qu Wenruo <wqu@suse.com>
---
fs/btrfs/extent_io.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c56973f7daae..ba258b8329c9 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3768,10 +3768,11 @@ static void update_nr_written(struct writeback_control *wbc,
*/
static noinline_for_stack int writepage_delalloc(struct btrfs_inode *inode,
struct page *page, struct writeback_control *wbc,
- u64 delalloc_start, unsigned long *nr_written)
+ unsigned long *nr_written)
{
- u64 page_end = delalloc_start + PAGE_SIZE - 1;
+ u64 page_end = page_offset(page) + PAGE_SIZE - 1;
bool found;
+ u64 delalloc_start = page_offset(page);
u64 delalloc_to_write = 0;
u64 delalloc_end = 0;
int ret;
@@ -4049,8 +4050,8 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
struct extent_page_data *epd)
{
struct inode *inode = page->mapping->host;
- u64 start = page_offset(page);
- u64 page_end = start + PAGE_SIZE - 1;
+ const u64 page_start = page_offset(page);
+ const u64 page_end = page_start + PAGE_SIZE - 1;
int ret;
int nr = 0;
size_t pg_offset;
@@ -4085,7 +4086,7 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
}
if (!epd->extent_locked) {
- ret = writepage_delalloc(BTRFS_I(inode), page, wbc, start,
+ ret = writepage_delalloc(BTRFS_I(inode), page, wbc,
&nr_written);
if (ret == 1)
return 0;
@@ -4136,7 +4137,7 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
* capable of that.
*/
if (PageError(page))
- end_extent_writepage(page, ret, start, page_end);
+ end_extent_writepage(page, ret, page_start, page_end);
unlock_page(page);
ASSERT(ret <= 0);
return ret;
--
2.33.0
next prev parent reply other threads:[~2021-09-27 7:22 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 7:21 [PATCH v3 00/26] Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 01/26] btrfs: remove unused parameter @nr_pages in add_ra_bio_pages() Qu Wenruo
2021-09-27 7:21 ` Qu Wenruo [this message]
2021-09-27 7:21 ` [PATCH v3 03/26] btrfs: use async_chunk::async_cow to replace the confusing pending pointer Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 04/26] btrfs: don't pass compressed pages to btrfs_writepage_endio_finish_ordered() Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 05/26] btrfs: make add_ra_bio_pages() to be subpage compatible Qu Wenruo
2021-10-04 17:45 ` David Sterba
2021-10-04 22:39 ` Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 06/26] btrfs: introduce compressed_bio::pending_sectors to trace compressed bio more elegantly Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 07/26] btrfs: add subpage checked bitmap to make PageChecked flag to be subpage compatible Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 08/26] btrfs: handle errors properly inside btrfs_submit_compressed_read() Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 09/26] btrfs: handle errors properly inside btrfs_submit_compressed_write() Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 10/26] btrfs: introduce submit_compressed_bio() for compression Qu Wenruo
2021-10-04 19:42 ` David Sterba
2021-10-04 22:41 ` Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 11/26] btrfs: introduce alloc_compressed_bio() " Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 12/26] btrfs: make btrfs_submit_compressed_read() to determine stripe boundary at bio allocation time Qu Wenruo
2021-10-04 20:10 ` David Sterba
2021-10-05 6:24 ` Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 13/26] btrfs: make btrfs_submit_compressed_write() " Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 14/26] btrfs: remove unused function btrfs_bio_fits_in_stripe() Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 15/26] btrfs: refactor submit_compressed_extents() Qu Wenruo
2021-10-05 16:33 ` David Sterba
2021-09-27 7:21 ` [PATCH v3 16/26] btrfs: cleanup for extent_write_locked_range() Qu Wenruo
2021-09-27 7:21 ` [PATCH v3 17/26] btrfs: make compress_file_range() to be subpage compatible Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 18/26] btrfs: make btrfs_submit_compressed_write() " Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 19/26] btrfs: make end_compressed_bio_writeback() to be subpage compatble Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 20/26] btrfs: make extent_write_locked_range() to be subpage compatible Qu Wenruo
2021-10-13 14:50 ` Josef Bacik
2021-10-14 0:08 ` Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 21/26] btrfs: extract uncompressed async extent submission code into a new helper Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 22/26] btrfs: rework lzo_compress_pages() to make it subpage compatible Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 23/26] btrfs: teach __extent_writepage() to handle locked page differently Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 24/26] btrfs: allow page to be unlocked by btrfs_page_end_writer_lock() even if it's locked by plain page_lock() Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 25/26] btrfs: don't run delalloc range which is beyond the locked_page to prevent deadlock for subpage compression Qu Wenruo
2021-09-27 7:22 ` [PATCH v3 26/26] btrfs: only allow subpage compression if the range is fully page aligned Qu Wenruo
2021-10-05 17:21 ` [PATCH v3 00/26] David Sterba
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210927072208.21634-3-wqu@suse.com \
--to=wqu@suse.com \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox