[PATCH 31/31] xfs: clean up bufsize alignment in xfs_ioc_attr_list

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Use the round_down macro, and use the size of the uint32 type we
use in the callback that fills the buffer to make the code a little
more clear - the size of it is always the same as int for platforms
that Linux runs on.

Suggested-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/xfs/xfs_ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 4b126f5e9bed..0690e1a8ef1a 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -414,7 +414,7 @@ xfs_ioc_attr_list(
 	context.resynch = 1;
 	context.attr_filter = xfs_attr_filter(flags);
 	context.buffer = buffer;
-	context.bufsize = (bufsize & ~(sizeof(int)-1));  /* align */
+	context.bufsize = round_down(bufsize, sizeof(uint32_t));
 	context.firstu = context.bufsize;
 	context.put_listent = xfs_ioc_attr_put_listent;
 
-- 
2.24.1




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