linux_dsm_epyc7002/fs/btrfs/dev-replace.h
Anand Jain 18e67c73dc btrfs: btrfs_dev_replace_cancel() can return int
Current u64 return from btrfs_dev_replace_cancel() was probably done
to match the btrfs_ioctl_dev_replace_args::result. However as our
actual return value fits in int, and it further gets typecast to u64,
so just return int.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-26 15:09:30 +02:00

50 lines
2.1 KiB
C

/*
* Copyright (C) STRATO AG 2012. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#if !defined(__BTRFS_DEV_REPLACE__)
#define __BTRFS_DEV_REPLACE__
struct btrfs_ioctl_dev_replace_args;
int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
int read_src);
void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace, int rw);
void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace, int rw);
void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
void btrfs_dev_replace_clear_lock_blocking(
struct btrfs_dev_replace *dev_replace);
static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
{
atomic64_inc(stat_value);
}
#endif