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09fa6c3039
Currently, device removal has to scan all metadata for pointers to the device being removed. Add a new method, with the same interface as bch2_dev_data_drop(), that scans by backpointers instead - this will drastically speed up device removal. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
8 lines
268 B
C
8 lines
268 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_MIGRATE_H
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#define _BCACHEFS_MIGRATE_H
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int bch2_dev_data_drop_by_backpointers(struct bch_fs *, unsigned, unsigned);
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int bch2_dev_data_drop(struct bch_fs *, unsigned, unsigned);
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#endif /* _BCACHEFS_MIGRATE_H */
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