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[12/26] Btrfs: introduce btrfs_get_fs_uuids to get fs_uuids v2

Message ID 1425940724-7744-13-git-send-email-anand.jain@oracle.com (mailing list archive)
State Superseded
Headers show

Commit Message

Anand Jain March 9, 2015, 10:38 p.m. UTC 
v2: commit update
Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 fs/btrfs/volumes.c | 4 ++++
 fs/btrfs/volumes.h | 1 +
 2 files changed, 5 insertions(+)
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Patch

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 218a14a..c1b1038 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -52,6 +52,10 @@  static void btrfs_dev_stat_print_on_load(struct btrfs_device *device);
 
 DEFINE_MUTEX(uuid_mutex);
 static LIST_HEAD(fs_uuids);
+struct list_head *btrfs_get_fs_uuids(void)
+{
+	return &fs_uuids;
+}
 
 static struct btrfs_fs_devices *__alloc_fs_devices(void)
 {
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index c2e5bd0..d4586ac 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -539,5 +539,6 @@  static inline void unlock_chunks(struct btrfs_root *root)
 	mutex_unlock(&root->fs_info->chunk_mutex);
 }
 
+struct list_head *btrfs_get_fs_uuids(void);
 
 #endif