diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-09-21 10:19:53 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-09-23 19:43:19 +0300 |
| commit | e455ed22906c02c7638e127dbf60634765db02cd (patch) | |
| tree | 534be5de8dc252f497a4ae756218fdf92470f59f | |
| parent | 841ab72cb5be3bbf6544f28329b81c73f0f835b3 (diff) | |
| download | linux-e455ed22906c02c7638e127dbf60634765db02cd.tar.xz | |
ocfs2: cleanup o2hb_region_dev_store
Use blkdev_get_by_dev instead of igrab (aka open coded bdgrab) +
blkdev_get.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 89d13e0705fe..0179a73a3fa2 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1766,7 +1766,6 @@ static ssize_t o2hb_region_dev_store(struct config_item *item, int sectsize; char *p = (char *)page; struct fd f; - struct inode *inode; ssize_t ret = -EINVAL; int live_threshold; @@ -1793,20 +1792,16 @@ static ssize_t o2hb_region_dev_store(struct config_item *item, reg->hr_block_bytes == 0) goto out2; - inode = igrab(f.file->f_mapping->host); - if (inode == NULL) + if (!S_ISBLK(f.file->f_mapping->host->i_mode)) goto out2; - if (!S_ISBLK(inode->i_mode)) - goto out3; - - reg->hr_bdev = I_BDEV(f.file->f_mapping->host); - ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ, NULL); - if (ret) { + reg->hr_bdev = blkdev_get_by_dev(f.file->f_mapping->host->i_rdev, + FMODE_WRITE | FMODE_READ, NULL); + if (IS_ERR(reg->hr_bdev)) { + ret = PTR_ERR(reg->hr_bdev); reg->hr_bdev = NULL; - goto out3; + goto out2; } - inode = NULL; bdevname(reg->hr_bdev, reg->hr_dev_name); @@ -1909,16 +1904,13 @@ static ssize_t o2hb_region_dev_store(struct config_item *item, config_item_name(®->hr_item), reg->hr_dev_name); out3: - iput(inode); + if (ret < 0) { + blkdev_put(reg->hr_bdev, FMODE_READ | FMODE_WRITE); + reg->hr_bdev = NULL; + } out2: fdput(f); out: - if (ret < 0) { - if (reg->hr_bdev) { - blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE); - reg->hr_bdev = NULL; - } - } return ret; } |