github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 22:22:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ext4: delete redundant calculations in ext4_mb_get_buddy_page_lock()

Browse Source 
'blocks_per_page' is always 1 after 'if (blocks_per_page >= 2)',
'pnum' and 'block' are equal in this case.

Signed-off-by: Gou Hao <gouhao@uniontech.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20231024035215.29474-1-gouhao@uniontech.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Gou Hao 2023-10-24 11:52:15 +08:00 committed by Theodore Ts'o
parent 665d3e0af4
commit f2fec3e99a
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/ext4/mballoc.c
View File

@ -1456,9 +1456,8 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
return 0;
}
block++;
pnum = block / blocks_per_page;
page = find_or_create_page(inode->i_mapping, pnum, gfp);
/* blocks_per_page == 1, hence we need another page for the buddy */
page = find_or_create_page(inode->i_mapping, block + 1, gfp);
if (!page)
return -ENOMEM;
BUG_ON(page->mapping != inode->i_mapping);