提交 cbeebc7c 编写于 作者: Z Zhang Yi 提交者: Zheng Zengkai

ext2: replace bh_submit_read() helper with bh_read()

mainline inclusion
from mainline-v6.1-rc1
commit 28cf7559
category: bugfix
bugzilla: 187878,https://gitee.com/openeuler/kernel/issues/I5QJH9
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.1-rc2&id=28cf75591008eef5e1649de31c4ddee5bf20081d

--------------------------------

bh_submit_read() and the uptodate check logic in bh_uptodate_or_lock()
has been integrated in bh_read() helper, so switch to use it directly.

Link: https://lkml.kernel.org/r/20220901133505.2510834-14-yi.zhang@huawei.comSigned-off-by: NZhang Yi <yi.zhang@huawei.com>
Reviewed-by: NJan Kara <jack@suse.cz>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLi Lingfeng <lilingfeng3@huawei.com>
Reviewed-by: NZhang Yi <yi.zhang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
上级 67fcefb9
......@@ -126,6 +126,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
struct ext2_group_desc * desc;
struct buffer_head * bh = NULL;
ext2_fsblk_t bitmap_blk;
int ret;
desc = ext2_get_group_desc(sb, block_group, NULL);
if (!desc)
......@@ -139,10 +140,10 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
block_group, le32_to_cpu(desc->bg_block_bitmap));
return NULL;
}
if (likely(bh_uptodate_or_lock(bh)))
ret = bh_read(bh, 0);
if (ret > 0)
return bh;
if (bh_submit_read(bh) < 0) {
if (ret < 0) {
brelse(bh);
ext2_error(sb, __func__,
"Cannot read block bitmap - "
......
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