[PATCH 43/45] f2fs: remove a few bd_part checks

Christoph Hellwig
2020-11-28T22:08:16Z

bd_part is never NULL for a block device in use by a file system, so
remove the checks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/checkpoint.c | 5 +----
fs/f2fs/sysfs.c | 9 ---------
2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 023462e80e58d5..54a1905af052cc 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1395,7 +1395,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
__u32 crc32 = 0;
int i;
int cp_payload_blks = __cp_payload(sbi);
- struct super_block *sb = sbi->sb;
struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
u64 kbytes_written;
int err;
@@ -1489,9 +1488,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
start_blk += data_sum_blocks;

/* Record write statistics in the hot node summary */
- kbytes_written = sbi->kbytes_written;
- if (sb->s_bdev->bd_part)
- kbytes_written += BD_PART_WRITTEN(sbi);
+ kbytes_written = sbi->kbytes_written + BD_PART_WRITTEN(sbi);

seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index ec77ccfea923dc..24e876e849c512 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -90,11 +90,6 @@ static ssize_t free_segments_show(struct f2fs_attr *a,
static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
- struct super_block *sb = sbi->sb;
-
- if (!sb->s_bdev->bd_part)
- return sprintf(buf, "0\n");
-
return sprintf(buf, "%llu\n",
(unsigned long long)(sbi->kbytes_written +
BD_PART_WRITTEN(sbi)));
@@ -103,12 +98,8 @@ static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
static ssize_t features_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
- struct super_block *sb = sbi->sb;
int len = 0;

- if (!sb->s_bdev->bd_part)
- return sprintf(buf, "0\n");
-
if (f2fs_sb_has_encrypt(sbi))
len += scnprintf(buf, PAGE_SIZE - len, "%s",
"encryption");
--
2.29.2