diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-11-24 11:54:06 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-01 14:53:38 -0700 |
| commit | 040f04bd2e825f1d80b14a0e0ac3d830339eb779 (patch) | |
| tree | 344a715d906949d20f1131c6f169b26fdb8e6eea /include/linux | |
| parent | 60b498852bf219c0bf2b0864c69972840978ca43 (diff) | |
fs: simplify freeze_bdev/thaw_bdev
Store the frozen superblock in struct block_device to avoid the awkward
interface that can return a sb only used a cookie, an ERR_PTR or NULL.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Chao Yu <yuchao0@huawei.com> [f2fs]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blk_types.h | 1 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index d9b69bbde5cc..ebfb4e7c1fd1 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -46,6 +46,7 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; + struct super_block *bd_fsfreeze_sb; } __randomize_layout; /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 05b346a68c2e..12810a19edeb 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -2020,7 +2020,7 @@ static inline int sync_blockdev(struct block_device *bdev) #endif int fsync_bdev(struct block_device *bdev); -struct super_block *freeze_bdev(struct block_device *bdev); -int thaw_bdev(struct block_device *bdev, struct super_block *sb); +int freeze_bdev(struct block_device *bdev); +int thaw_bdev(struct block_device *bdev); #endif /* _LINUX_BLKDEV_H */ |