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Haris Iqbal" , Jack Wang , Song Liu , "Theodore Ts'o" , Andreas Dilger , Jan Kara , Mark Fasheh , Joel Becker , Joseph Qi , linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org, linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com Subject: [PATCH 9/9] block: remove bdevname Date: Wed, 13 Jul 2022 07:53:17 +0200 Message-Id: <20220713055317.1888500-10-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220713055317.1888500-1-hch@lst.de> References: <20220713055317.1888500-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Replace the remaining calls of bdevname with snprintf using the %pg format specifier. Signed-off-by: Christoph Hellwig --- block/genhd.c | 23 ----------------------- drivers/md/md.c | 2 +- drivers/md/raid1.c | 2 +- drivers/md/raid10.c | 2 +- fs/ext4/mmp.c | 3 ++- fs/jbd2/journal.c | 6 ++++-- include/linux/blkdev.h | 1 - kernel/trace/blktrace.c | 4 ++-- 8 files changed, 11 insertions(+), 32 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 9d30f159c59ac..44dfcf67ed96a 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -101,29 +101,6 @@ bool set_capacity_and_notify(struct gendisk *disk, sector_t size) } EXPORT_SYMBOL_GPL(set_capacity_and_notify); -/* - * Format the device name of the indicated block device into the supplied buffer - * and return a pointer to that same buffer for convenience. - * - * Note: do not use this in new code, use the %pg specifier to sprintf and - * printk insted. - */ -const char *bdevname(struct block_device *bdev, char *buf) -{ - struct gendisk *hd = bdev->bd_disk; - int partno = bdev->bd_partno; - - if (!partno) - snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name); - else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) - snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno); - else - snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno); - - return buf; -} -EXPORT_SYMBOL(bdevname); - static void part_stat_read_all(struct block_device *part, struct disk_stats *stat) { diff --git a/drivers/md/md.c b/drivers/md/md.c index 076255ec9ba18..4be9d81730712 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2438,7 +2438,7 @@ static int bind_rdev_to_array(struct md_rdev *rdev, struct mddev *mddev) mdname(mddev), mddev->max_disks); return -EBUSY; } - bdevname(rdev->bdev,b); + snprintf(b, sizeof(b), "%pg", rdev->bdev); strreplace(b, '/', '!'); rdev->mddev = mddev; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 258d4eb2d63c3..65cd90f0b2a8b 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1240,7 +1240,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio, rcu_read_lock(); rdev = rcu_dereference(conf->mirrors[r1_bio->read_disk].rdev); if (rdev) - bdevname(rdev->bdev, b); + snprintf(b, sizeof(b), "%pg", rdev->bdev); else strcpy(b, "???"); rcu_read_unlock(); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index d589f823feb11..a7dcb1bf6b0a9 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1164,7 +1164,7 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, disk = r10_bio->devs[slot].devnum; err_rdev = rcu_dereference(conf->mirrors[disk].rdev); if (err_rdev) - bdevname(err_rdev->bdev, b); + snprintf(b, sizeof(b), "%pg", err_rdev->bdev); else { strcpy(b, "???"); /* This never gets dereferenced */ diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c index b7a850b0070b8..b221f313ded6c 100644 --- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -371,7 +371,8 @@ int ext4_multi_mount_protect(struct super_block *sb, EXT4_SB(sb)->s_mmp_bh = bh; BUILD_BUG_ON(sizeof(mmp->mmp_bdevname) < BDEVNAME_SIZE); - bdevname(bh->b_bdev, mmp->mmp_bdevname); + snprintf(mmp->mmp_bdevname, sizeof(mmp->mmp_bdevname), + "%pg", bh->b_bdev); /* * Start a kernel thread to update the MMP block periodically. diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index c0cbeeaec2d1a..9015f5fa28620 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1465,7 +1465,8 @@ journal_t *jbd2_journal_init_dev(struct block_device *bdev, if (!journal) return NULL; - bdevname(journal->j_dev, journal->j_devname); + snprintf(journal->j_devname, sizeof(journal->j_devname), + "%pg", journal->j_dev); strreplace(journal->j_devname, '/', '!'); jbd2_stats_proc_init(journal); @@ -1507,7 +1508,8 @@ journal_t *jbd2_journal_init_inode(struct inode *inode) return NULL; journal->j_inode = inode; - bdevname(journal->j_dev, journal->j_devname); + snprintf(journal->j_devname, sizeof(journal->j_devname), + "%pg", journal->j_dev); p = strreplace(journal->j_devname, '/', '!'); sprintf(p, "-%lu", journal->j_inode->i_ino); jbd2_stats_proc_init(journal); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 22c477fadc0f3..2775763c51b99 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1457,7 +1457,6 @@ static inline void bio_end_io_acct(struct bio *bio, unsigned long start_time) int bdev_read_only(struct block_device *bdev); int set_blocksize(struct block_device *bdev, int size); -const char *bdevname(struct block_device *bdev, char *buffer); int lookup_bdev(const char *pathname, dev_t *dev); void blkdev_show(struct seq_file *seqf, off_t offset); diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index c584effe5fe99..4752bda1b1a0c 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -736,12 +736,12 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg) switch (cmd) { case BLKTRACESETUP: - bdevname(bdev, b); + snprintf(b, sizeof(b), "%pg", bdev); ret = __blk_trace_setup(q, b, bdev->bd_dev, bdev, arg); break; #if defined(CONFIG_COMPAT) && defined(CONFIG_X86_64) case BLKTRACESETUP32: - bdevname(bdev, b); + snprintf(b, sizeof(b), "%pg", bdev); ret = compat_blk_trace_setup(q, b, bdev->bd_dev, bdev, arg); break; #endif