| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _MULTIPATH_H |
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| 3 | #define _MULTIPATH_H |
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| 4 | |
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| 5 | struct multipath_info { |
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| 6 | struct md_rdev *rdev; |
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| 7 | }; |
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| 8 | |
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| 9 | struct mpconf { |
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| 10 | struct mddev *mddev; |
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| 11 | struct multipath_info *multipaths; |
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| 12 | int raid_disks; |
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| 13 | spinlock_t device_lock; |
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| 14 | struct list_head retry_list; |
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| 15 | |
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| 16 | mempool_t pool; |
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| 17 | }; |
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| 18 | |
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| 19 | /* |
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| 20 | * this is our 'private' 'collective' MULTIPATH buffer head. |
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| 21 | * it contains information about what kind of IO operations were started |
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| 22 | * for this MULTIPATH operation, and about their status: |
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| 23 | */ |
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| 24 | |
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| 25 | struct multipath_bh { |
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| 26 | struct mddev *mddev; |
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| 27 | struct bio *master_bio; |
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| 28 | struct bio bio; |
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| 29 | int path; |
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| 30 | struct list_head retry_list; |
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| 31 | }; |
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| 32 | #endif |
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| 33 | |
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