[PATCH] Btrfs: Remove unnecessary placeholder in btrfs_err_code

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From: Satoru Takeuchi <takeuchi_satoru@xxxxxxxxxxxxxx>

"notused" is not necessary. Set 1 to the first entry is enough.

Signed-off-by: Takeuchi Satoru <takeuchi_satoru@xxxxxxxxxxxxxx
Cc: Gui Hecheng <guihc.fnst@xxxxxxxxxxxxxx>
---
I once submit the similar patch to btrfs-progs.
Then Gui Hecheng tell me fixing original code in kernel
is better.

http://permalink.gmane.org/gmane.comp.file-systems.btrfs/41679
---
 include/uapi/linux/btrfs.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 611e1c5..b6dec05 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -495,8 +495,7 @@ struct btrfs_ioctl_send_args {
 
 /* Error codes as returned by the kernel */
 enum btrfs_err_code {
-	notused,
-	BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
+	BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
 	BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
 	BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
 	BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
-- 
1.8.3.1

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