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btrfs: use IS_ALIGNED() for assertion in btrfs_lookup_csums_range() for simplicity

Message ID 53D21054.6050107@jp.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Satoru Takeuchi July 25, 2014, 8:07 a.m. UTC 
From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>

btrfs_lookup_csums_range() uses ALIGN() to check if "start"
and "end + 1" are aligned to "root->sectorsize". It's better to
replace these with IS_ALIGNED() for simplicity.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>

---
 fs/btrfs/file-item.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index f46cfe4..4b9e40f 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -329,8 +329,8 @@  int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 	u64 csum_end;
 	u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
 
-	ASSERT(start == ALIGN(start, root->sectorsize) &&
-	       (end + 1) == ALIGN(end + 1, root->sectorsize));
+	ASSERT(IS_ALIGNED(start, root->sectorsize) &&
+	       IS_ALIGNED(end + 1, root->sectorsize));
 
 	path = btrfs_alloc_path();
 	if (!path)