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btrfs: Export btrfs_release_disk_super

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Preparatory patch for removal of buffer_head usage in btrfs.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2020-02-14 00:24:29 +09:00 committed by David Sterba
parent 55ffaabe23
commit f6d9abbc1f
2 changed files with 2 additions and 1 deletions
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2
fs/btrfs/volumes.c
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@ -1247,7 +1247,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
return ret;
}
static void btrfs_release_disk_super(struct page *page)
void btrfs_release_disk_super(struct page *page)
{
kunmap(page);
put_page(page);

1
fs/btrfs/volumes.h
View File

@ -484,6 +484,7 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset);
struct extent_map *btrfs_get_chunk_map(struct btrfs_fs_info *fs_info,
u64 logical, u64 length);
void btrfs_release_disk_super(struct page *page);
static inline void btrfs_dev_stat_inc(struct btrfs_device *dev,
int index)