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author | Anand Jain <Anand.Jain@oracle.com> | 2015-03-10 06:38:31 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.cz> | 2015-05-27 12:27:21 +0200 |
commit | 5a13f4308c5b4af28c01ca9cacdd8a6db777dfcb (patch) | |
tree | bbcf968663f62132f90b25a5cb937950f47d7295 /fs/btrfs/volumes.c | |
parent | c73eccf75bf92e49be30884da32a169b04eb5bc9 (diff) |
Btrfs: sysfs: add pointer to access fs_info from fs_devices
adds fs_info pointer with struct btrfs_fs_devices.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r-- | fs/btrfs/volumes.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index e500bfa54dc9..5719470b50cd 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6733,3 +6733,21 @@ void btrfs_update_commit_device_bytes_used(struct btrfs_root *root, } unlock_chunks(root); } + +void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info) +{ + struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; + while (fs_devices) { + fs_devices->fs_info = fs_info; + fs_devices = fs_devices->seed; + } +} + +void btrfs_reset_fs_info_ptr(struct btrfs_fs_info *fs_info) +{ + struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; + while (fs_devices) { + fs_devices->fs_info = NULL; + fs_devices = fs_devices->seed; + } +} |