f2fs: remove a few bd_part checks

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: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 023462e..54a1905 100644 (file)
--- 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 ec77ccf..24e876e 100644 (file)
--- 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");