linux-kernel - [PATCH] btrfs: use PAGE_ALIGNED instead of IS

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Date:   Thu, 26 May 2022 22:35:40 +0800
From:   bh1scw@...il.com
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>
Cc:     linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>,
        Fanjun Kong <bh1scw@...il.com>
Subject: [PATCH] btrfs: use PAGE_ALIGNED instead of IS_ALIGNED

From: Fanjun Kong <bh1scw@...il.com>

The <linux/mm.h> already provides the PAGE_ALIGNED macro. Let's
use this macro instead of IS_ALIGNED and passing PAGE_SIZE directly.

Signed-off-by: Fanjun Kong <bh1scw@...il.com>
---
 fs/btrfs/extent_io.c | 2 +-
 fs/btrfs/inode.c     | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 8f6b544ae616..1f9f31004d60 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -6201,7 +6201,7 @@ static int check_eb_alignment(struct btrfs_fs_info *fs_info, u64 start)
 		return -EINVAL;
 	}
 	if (fs_info->nodesize >= PAGE_SIZE &&
-	    !IS_ALIGNED(start, PAGE_SIZE)) {
+	    !PAGE_ALIGNED(start)) {
 		btrfs_err(fs_info,
 		"tree block is not page aligned, start %llu nodesize %u",
 			  start, fs_info->nodesize);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 81737eff92f3..0f6f62fa03c8 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -560,8 +560,8 @@ static inline int inode_need_compress(struct btrfs_inode *inode, u64 start,
 	 * will unlock the full page.
 	 */
 	if (fs_info->sectorsize < PAGE_SIZE) {
-		if (!IS_ALIGNED(start, PAGE_SIZE) ||
-		    !IS_ALIGNED(end + 1, PAGE_SIZE))
+		if (!PAGE_ALIGNED(start) ||
+		    !PAGE_ALIGNED(end + 1))
 			return 0;
 	}
 
@@ -678,8 +678,8 @@ static noinline int compress_file_range(struct async_chunk *async_chunk)
 	 * Thus we must also check against @actual_end, not just @end.
 	 */
 	if (blocksize < PAGE_SIZE) {
-		if (!IS_ALIGNED(start, PAGE_SIZE) ||
-		    !IS_ALIGNED(round_up(actual_end, blocksize), PAGE_SIZE))
+		if (!PAGE_ALIGNED(start) ||
+		    !PAGE_ALIGNED(round_up(actual_end, blocksize)))
 			goto cleanup_and_bail_uncompressed;
 	}
 
-- 
2.36.0