ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 04:33:26 +02:00
Code Issues Packages Projects Releases Wiki Activity

mm: don't include <linux/blkdev.h> in <linux/backing-dev.h>

Browse Source 
Move inode_to_bdi out of line to avoid having to include blkdev.h.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210920123328.1399408-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2021-09-20 14:33:14 +02:00
committed by Jens Axboe
parent e41d12f539
commit ccdf774189
6 changed files with 21 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
mm/backing-dev.c
View File

@@ -978,6 +978,22 @@ void bdi_put(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL(bdi_put);
struct backing_dev_info *inode_to_bdi(struct inode *inode)
{
struct super_block *sb;
if (!inode)
return &noop_backing_dev_info;
sb = inode->i_sb;
#ifdef CONFIG_BLOCK
if (sb_is_blkdev_sb(sb))
return I_BDEV(inode)->bd_disk->bdi;
#endif
return sb->s_bdi;
}
EXPORT_SYMBOL(inode_to_bdi);
const char *bdi_dev_name(struct backing_dev_info *bdi)
{
if (!bdi || !bdi->dev)