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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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-08-17 08:40:18 +10:00 committed by Dave Chinner
parent 97dd8c9ee6
commit 274c887494
1 changed files with 0 additions and 2 deletions
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2
fs/iomap.c
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@ -194,9 +194,7 @@ again:
if (mapping_writably_mapped(inode->i_mapping))
flush_dcache_page(page);
pagefault_disable();
copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
pagefault_enable();
flush_dcache_page(page);