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authorAnand Jain2015-03-09 23:38:31 +0100
committerDavid Sterba2015-05-27 12:27:21 +0200
commit5a13f4308c5b4af28c01ca9cacdd8a6db777dfcb (patch)
treebbcf968663f62132f90b25a5cb937950f47d7295 /fs/btrfs/volumes.c
parentBtrfs: introduce btrfs_get_fs_uuids to get fs_uuids (diff)
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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.c18
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;
+ }
+}