xfs: wire up the ->mark_dead holder operation for log and RT devices
Implement a set of holder_ops that shut down the file system when the block device used as log or RT device is removed undeneath the file system. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Acked-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Link: https://lore.kernel.org/r/20230601094459.1350643-14-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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fs/xfs
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@ -377,6 +377,17 @@ disable_dax:
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return 0;
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}
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static void
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xfs_bdev_mark_dead(
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struct block_device *bdev)
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{
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xfs_force_shutdown(bdev->bd_holder, SHUTDOWN_DEVICE_REMOVED);
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}
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static const struct blk_holder_ops xfs_holder_ops = {
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.mark_dead = xfs_bdev_mark_dead,
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};
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STATIC int
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xfs_blkdev_get(
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xfs_mount_t *mp,
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@ -386,7 +397,7 @@ xfs_blkdev_get(
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int error = 0;
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*bdevp = blkdev_get_by_path(name, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
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mp, NULL);
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mp, &xfs_holder_ops);
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if (IS_ERR(*bdevp)) {
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error = PTR_ERR(*bdevp);
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xfs_warn(mp, "Invalid device [%s], error=%d", name, error);
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