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iomap: Use round_down/round_up macros in __iomap_write_begin

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Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Nikolay Borisov 2020-09-10 08:38:06 -07:00 committed by Darrick J. Wong
parent 14284fedf5
commit 6cc19c5fad
1 changed files with 2 additions and 2 deletions
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4
fs/iomap/buffered-io.c
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@ -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))