This patch creates a helper function to get either the rcu device path
or missing.

Signed-off-by: Anand Jain <[email protected]>
---
 fs/btrfs/dev-replace.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 7c655f9a7a50..4b6ceb38cb5f 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -304,6 +304,11 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info 
*fs_info)
                dev_replace->cursor_left_last_write_of_item;
 }
 
+static inline char *dev_missing_or_rcu_str(struct btrfs_device *device)
+{
+       return device->missing ? "<missing disk>" : rcu_str_deref(device->name);
+}
+
 int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
                const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
                int read_src)
@@ -363,8 +368,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
 
        btrfs_info_in_rcu(fs_info,
                      "dev_replace from %s (devid %llu) to %s started",
-                     src_device->missing ? "<missing disk>" :
-                       rcu_str_deref(src_device->name),
+                     dev_missing_or_rcu_str(src_device),
                      src_device->devid,
                      rcu_str_deref(tgt_device->name));
 
@@ -538,8 +542,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info 
*fs_info,
        } else {
                btrfs_err_in_rcu(fs_info,
                                 "btrfs_scrub_dev(%s, %llu, %s) failed %d",
-                                src_device->missing ? "<missing disk>" :
-                                rcu_str_deref(src_device->name),
+                                dev_missing_or_rcu_str(src_device),
                                 src_device->devid,
                                 rcu_str_deref(tgt_device->name), scrub_ret);
                btrfs_dev_replace_unlock(dev_replace, 1);
@@ -557,8 +560,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info 
*fs_info,
 
        btrfs_info_in_rcu(fs_info,
                          "dev_replace from %s (devid %llu) to %s finished",
-                         src_device->missing ? "<missing disk>" :
-                         rcu_str_deref(src_device->name),
+                         dev_missing_or_rcu_str(src_device),
                          src_device->devid,
                          rcu_str_deref(tgt_device->name));
        tgt_device->is_tgtdev_for_dev_replace = 0;
@@ -814,12 +816,10 @@ static int btrfs_dev_replace_kthread(void *data)
        progress = btrfs_dev_replace_progress(fs_info);
        progress = div_u64(progress, 10);
        btrfs_info_in_rcu(fs_info,
-               "continuing dev_replace from %s (devid %llu) to %s @%u%%",
-               dev_replace->srcdev->missing ? "<missing disk>"
-                       : rcu_str_deref(dev_replace->srcdev->name),
+               "continuing dev_replace from %s (devid %llu) to target %s 
@%u%%",
+               dev_missing_or_rcu_str(dev_replace->srcdev),
                dev_replace->srcdev->devid,
-               dev_replace->tgtdev ? rcu_str_deref(dev_replace->tgtdev->name)
-                       : "<missing target disk>",
+               dev_missing_or_rcu_str(dev_replace->tgtdev),
                (unsigned int)progress);
 
        btrfs_dev_replace_continue_on_mount(fs_info);
-- 
2.15.0

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