xfs: Convert sync_page_range() to simple filemap_write_and_wait_range()

Christoph Hellwig says that it is enough for XFS to call
filemap_write_and_wait_range() instead of sync_page_range() because we do
all the metadata syncing when forcing the log.

CC: Felix Blyakher <[email protected]>
CC: [email protected]
CC: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
1 file changed