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| author | David Sterba <dsterba@suse.com> | 2016-02-26 15:38:32 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-02-26 15:38:32 +0100 |
| commit | 675d276b322b45e7bf7c616a2847bdc425745b99 (patch) | |
| tree | c61e7108034bf1230024880ec8ae46a9617077c2 /fs/btrfs/disk-io.c | |
| parent | e9ddd77a31e6ba2867b9c33547f6f079d55f7a72 (diff) | |
| parent | 73beece9ca07c003e0e4f4825b12be167334d4ad (diff) | |
| download | lwn-675d276b322b45e7bf7c616a2847bdc425745b99.tar.gz lwn-675d276b322b45e7bf7c616a2847bdc425745b99.zip | |
Merge branch 'foreign/liubo/replace-lockup' into for-chris-4.6
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index de68b8b61fd2..1809475ace2f 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2273,9 +2273,11 @@ static void btrfs_init_dev_replace_locks(struct btrfs_fs_info *fs_info) fs_info->dev_replace.lock_owner = 0; atomic_set(&fs_info->dev_replace.nesting_level, 0); mutex_init(&fs_info->dev_replace.lock_finishing_cancel_unmount); - mutex_init(&fs_info->dev_replace.lock_management_lock); - mutex_init(&fs_info->dev_replace.lock); + rwlock_init(&fs_info->dev_replace.lock); + atomic_set(&fs_info->dev_replace.read_locks, 0); + atomic_set(&fs_info->dev_replace.blocking_readers, 0); init_waitqueue_head(&fs_info->replace_wait); + init_waitqueue_head(&fs_info->dev_replace.read_lock_wq); } static void btrfs_init_qgroup(struct btrfs_fs_info *fs_info) |