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block: call into the file system for bdev_mark_dead

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Combine the newly merged bdev_mark_dead helper with the existing
mark_dead holder operation so that all operations that invalidate
a device that is dead or being removed now go through the holder
ops.  This allows file systems to explicitly shutdown either ASAP
(for a surprise removal) or after writing back data (for an orderly
removal), and do so not only for the main device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Message-Id: <20230811100828.1897174-15-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig
2023-08-11 12:08:25 +02:00
committed by Christian Brauner
parent 560e20e4bf
commit d8530de5a6
4 changed files with 40 additions and 44 deletions
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2
include/linux/blkdev.h
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@@ -1461,7 +1461,7 @@ void blkdev_show(struct seq_file *seqf, off_t offset);
#endif
struct blk_holder_ops {
void (*mark_dead)(struct block_device *bdev);
void (*mark_dead)(struct block_device *bdev, bool surprise);
};
extern const struct blk_holder_ops fs_holder_ops;