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ext4: delete redundant calculations in ext4_mb_get_buddy_page_lock()

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'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 <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>
This commit is contained in:
Gou Hao
2024-01-04 23:26:21 -05:00
committed by Theodore Ts'o
parent 665d3e0af4
commit f2fec3e99a
1 changed files with 2 additions and 3 deletions
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fs/ext4/mballoc.c
+2 -3
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@@ -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);