mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-03 07:38:10 +00:00
Code Issues Releases Wiki Activity

ext4: delete redundant uptodate check for buffer

Browse source 
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@hisilicon.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Yang Guo 2021-04-01 15:03:30 +08:00 committed by Theodore Ts'o
parent 72ffb49a7b
commit 3cd461712c
1 changed files with 2 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
fs/ext4/inode.c
View file

@ -1066,8 +1066,7 @@ 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;
}
@ -1092,8 +1091,7 @@ 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) &&