btrfs: use PAGE_ALIGNED instead of open-coding it

[sfrench/cifs-2.6.git] / fs / btrfs / compression.c

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 2ab5591449f295e1393062b8a85c1089dbe41a5d..d5381f39a9e88dc06d4a932214d1585ac1873bf6 100644 (file)
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -301,7 +301,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start,
        blk_status_t ret;
        int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
 
        blk_status_t ret;
        int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
 

-       WARN_ON(start & ((u64)PAGE_SIZE - 1));
+       WARN_ON(!PAGE_ALIGNED(start));

        cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
        if (!cb)
                return BLK_STS_RESOURCE;
        cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
        if (!cb)
                return BLK_STS_RESOURCE;