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

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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
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16
include/linux/backing-dev.h
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@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/blkdev.h>
#include <linux/device.h>
#include <linux/writeback.h>
#include <linux/backing-dev-defs.h>
@ -134,20 +133,7 @@ static inline bool writeback_in_progress(struct bdi_writeback *wb)
return test_bit(WB_writeback_running, &wb->state);
}
static inline 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;
}
struct backing_dev_info *inode_to_bdi(struct inode *inode);
static inline int wb_congested(struct bdi_writeback *wb, int cong_bits)
{