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Commit 274c8874 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Dave Chinner
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iomap: remove superflous pagefault_disable from iomap_write_actor 



iov_iter_copy_from_user_atomic disables page faults internally, no need to
do it around the call.  This also brings the iomap code in line with
the original filemap version.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent 97dd8c9e

fs/iomap.c

+0 −2
Original line number Original line Diff line number Diff line
@@ -194,9 +194,7 @@ iomap_write_actor(struct inode *inode, loff_t pos, loff_t length, void *data, 
		if (mapping_writably_mapped(inode->i_mapping))

		if (mapping_writably_mapped(inode->i_mapping))

			flush_dcache_page(page);

			flush_dcache_page(page);





		pagefault_disable();

		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);

		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);

		pagefault_enable();





		flush_dcache_page(page);

		flush_dcache_page(page);