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block: remove __sync_blockdev

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Instead offer a new sync_blockdev_nowait helper for the !wait case.
This new helper is exported as it will grow modular callers in a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211019062530.2174626-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-10-19 08:25:25 +02:00 • committed by Jens Axboe
parent 9a208ba5c9
commit 70164eb6cc
4 changed files with 15 additions and 13 deletions
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5
include/linux/blkdev.h
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@ -1266,6 +1266,7 @@ int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
#ifdef CONFIG_BLOCK
void invalidate_bdev(struct block_device *bdev);
int sync_blockdev(struct block_device *bdev);
int sync_blockdev_nowait(struct block_device *bdev);
#else
static inline void invalidate_bdev(struct block_device *bdev)
{
@ -1274,6 +1275,10 @@ static inline int sync_blockdev(struct block_device *bdev)
{
return 0;
}
static inline int sync_blockdev_nowait(struct block_device *bdev)
{
return 0;
}
#endif
int fsync_bdev(struct block_device *bdev);