diff mbox series

[-next,2/2] xfs: simplify if-else condition in xfs_reflink_trim_around_shared

Message ID 20220830133939.2726749-3-zengheng4@huawei.com (mailing list archive)
State Accepted, archived
Headers show
Series Simplify if-else condition for clean code | expand

Commit Message

Zeng Heng Aug. 30, 2022, 1:39 p.m. UTC
"else" is not generally useful after a return,
so remove it for clean code.

There is no logical changes.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
---
 fs/xfs/xfs_reflink.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

Comments

Darrick J. Wong Aug. 30, 2022, 3:12 p.m. UTC | #1
On Tue, Aug 30, 2022 at 09:39:39PM +0800, Zeng Heng wrote:
> "else" is not generally useful after a return,
> so remove it for clean code.
> 
> There is no logical changes.
> 
> Signed-off-by: Zeng Heng <zengheng4@huawei.com>

Looks correct to me,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

--D

> ---
>  fs/xfs/xfs_reflink.c | 22 ++++++++++++----------
>  1 file changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
> index 251f20ddd368..93bdd25680bc 100644
> --- a/fs/xfs/xfs_reflink.c
> +++ b/fs/xfs/xfs_reflink.c
> @@ -200,7 +200,9 @@ xfs_reflink_trim_around_shared(
>  	if (fbno == NULLAGBLOCK) {
>  		/* No shared blocks at all. */
>  		return 0;
> -	} else if (fbno == agbno) {
> +	}
> +
> +	if (fbno == agbno) {
>  		/*
>  		 * The start of this extent is shared.  Truncate the
>  		 * mapping at the end of the shared region so that a
> @@ -210,16 +212,16 @@ xfs_reflink_trim_around_shared(
>  		irec->br_blockcount = flen;
>  		*shared = true;
>  		return 0;
> -	} else {
> -		/*
> -		 * There's a shared extent midway through this extent.
> -		 * Truncate the mapping at the start of the shared
> -		 * extent so that a subsequent iteration starts at the
> -		 * start of the shared region.
> -		 */
> -		irec->br_blockcount = fbno - agbno;
> -		return 0;
>  	}
> +
> +	/*
> +	 * There's a shared extent midway through this extent.
> +	 * Truncate the mapping at the start of the shared
> +	 * extent so that a subsequent iteration starts at the
> +	 * start of the shared region.
> +	 */
> +	irec->br_blockcount = fbno - agbno;
> +	return 0;
>  }
>  
>  int
> -- 
> 2.25.1
>
diff mbox series

Patch

diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 251f20ddd368..93bdd25680bc 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -200,7 +200,9 @@  xfs_reflink_trim_around_shared(
 	if (fbno == NULLAGBLOCK) {
 		/* No shared blocks at all. */
 		return 0;
-	} else if (fbno == agbno) {
+	}
+
+	if (fbno == agbno) {
 		/*
 		 * The start of this extent is shared.  Truncate the
 		 * mapping at the end of the shared region so that a
@@ -210,16 +212,16 @@  xfs_reflink_trim_around_shared(
 		irec->br_blockcount = flen;
 		*shared = true;
 		return 0;
-	} else {
-		/*
-		 * There's a shared extent midway through this extent.
-		 * Truncate the mapping at the start of the shared
-		 * extent so that a subsequent iteration starts at the
-		 * start of the shared region.
-		 */
-		irec->br_blockcount = fbno - agbno;
-		return 0;
 	}
+
+	/*
+	 * There's a shared extent midway through this extent.
+	 * Truncate the mapping at the start of the shared
+	 * extent so that a subsequent iteration starts at the
+	 * start of the shared region.
+	 */
+	irec->br_blockcount = fbno - agbno;
+	return 0;
 }
 
 int