47f521ba18
Pull MD update from Shaohua Li: "This update mostly includes bug fixes: - md-cluster now supports raid10 from Guoqing - raid5 PPL fixes from Artur - badblock regression fix from Bo - suspend hang related fixes from Neil - raid5 reshape fixes from Neil - raid1 freeze deadlock fix from Nate - memleak fixes from Zdenek - bitmap related fixes from Me and Tao - other fixes and cleanups" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (33 commits) md: free unused memory after bitmap resize md: release allocated bitset sync_set md/bitmap: clear BITMAP_WRITE_ERROR bit before writing it to sb md: be cautious about using ->curr_resync_completed for ->recovery_offset badblocks: fix wrong return value in badblocks_set if badblocks are disabled md: don't check MD_SB_CHANGE_CLEAN in md_allow_write md-cluster: update document for raid10 md: remove redundant variable q raid1: remove obsolete code in raid1_write_request md-cluster: Use a small window for raid10 resync md-cluster: Suspend writes in RAID10 if within range md-cluster/raid10: set "do_balance = 0" if area is resyncing md: use lockdep_assert_held raid1: prevent freeze_array/wait_all_barriers deadlock md: use TASK_IDLE instead of blocking signals md: remove special meaning of ->quiesce(.., 2) md: allow metadata update while suspending. md: use mddev_suspend/resume instead of ->quiesce() md: move suspend_hi/lo handling into core md code md: don't call bitmap_create() while array is quiesced. ...
32 lines
650 B
C
32 lines
650 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _MULTIPATH_H
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#define _MULTIPATH_H
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struct multipath_info {
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struct md_rdev *rdev;
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};
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struct mpconf {
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struct mddev *mddev;
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struct multipath_info *multipaths;
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int raid_disks;
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spinlock_t device_lock;
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struct list_head retry_list;
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mempool_t *pool;
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};
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/*
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* this is our 'private' 'collective' MULTIPATH buffer head.
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* it contains information about what kind of IO operations were started
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* for this MULTIPATH operation, and about their status:
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*/
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struct multipath_bh {
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struct mddev *mddev;
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struct bio *master_bio;
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struct bio bio;
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int path;
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struct list_head retry_list;
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};
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#endif
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