From: Nikolay Borisov Date: Thu, 10 Sep 2020 15:38:06 +0000 (-0700) Subject: iomap: Use round_down/round_up macros in __iomap_write_begin X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6cc19c5fad0908e4e5ed99c2236d740668985364;p=linux.git iomap: Use round_down/round_up macros in __iomap_write_begin Signed-off-by: Nikolay Borisov Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 897ab9a26a74c..2b4757dba8254 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -571,8 +571,8 @@ __iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, int flags, { struct iomap_page *iop = iomap_page_create(inode, page); loff_t block_size = i_blocksize(inode); - loff_t block_start = pos & ~(block_size - 1); - loff_t block_end = (pos + len + block_size - 1) & ~(block_size - 1); + loff_t block_start = round_down(pos, block_size); + loff_t block_end = round_up(pos + len, block_size); unsigned from = offset_in_page(pos), to = from + len, poff, plen; if (PageUptodate(page))