[PATCH openEuler-22.03-LTS-SP2 0/1] ext4: delete redundant uptodate
The buffer uptodate state has been checked in function set_buffer_uptodate, there is no need use buffer_uptodate before calling set_buffer_uptodate and delete it. Yang Guo (1): ext4: delete redundant uptodate check for buffer fs/ext4/inode.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) -- 2.20.1
反馈： 您发送到kernel@openeuler.org的补丁/补丁集，已成功转换为PR！ PR链接地址： https://gitee.com/openeuler/kernel/pulls/1122 邮件列表地址： https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/thread/QX... FeedBack: The patch(es) which you have sent to kernel@openeuler.org mailing list has been converted to a pull request successfully! Pull request link: https://gitee.com/openeuler/kernel/pulls/1122 Mailing list address: https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/thread/QX...
From: Yang Guo <guoyang2@huawei.com> mainline inclusion from mainline-v5.13-rc1 commit 3cd461712cb450ea6aa8a8200f35f24eb296bfb2 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7D878 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... --------------------------- The buffer uptodate state has been checked in function set_buffer_uptodate, there is no need use buffer_uptodate before calling set_buffer_uptodate and delete it. Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Signed-off-by: Yang Guo <guoyang2@huawei.com> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com> Link: https://lore.kernel.org/r/1617260610-29770-1-git-send-email-zhangshaokun@his... Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- fs/ext4/inode.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 44018d1da27e..4a6f0688a073 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1061,8 +1061,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, block_end = block_start + blocksize; if (block_end <= from || block_start >= to) { if (PageUptodate(page)) { - if (!buffer_uptodate(bh)) - set_buffer_uptodate(bh); + set_buffer_uptodate(bh); } continue; } @@ -1087,8 +1086,7 @@ 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) && -- 2.20.1
participants (2)
-
patchwork bot -
Zheng Zengkai