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fs: use mapping_set_error instead of opencoded set_bit

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The mapping_set_error() helper sets the correct AS_ flag for the mapping
so there is no reason to open code it.  Use the helper directly.

[akpm@linux-foundation.org: be honest about conversion from -ENXIO to -EIO]
Link: http://lkml.kernel.org/r/20160912111608.2588-2-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michal Hocko 2016-10-11 13:56:01 -07:00 • committed by Linus Torvalds
parent 97139d4a6f
commit 5114a97a8b
7 changed files with 9 additions and 14 deletions
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4
fs/buffer.c
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@ -351,7 +351,7 @@ void end_buffer_async_write(struct buffer_head *bh, int uptodate)
set_buffer_uptodate(bh);
} else {
buffer_io_error(bh, ", lost async page write");
set_bit(AS_EIO, &page->mapping->flags);
mapping_set_error(page->mapping, -EIO);
set_buffer_write_io_error(bh);
clear_buffer_uptodate(bh);
SetPageError(page);
@ -3249,7 +3249,7 @@ drop_buffers(struct page *page, struct buffer_head **buffers_to_free)
bh = head;
do {
if (buffer_write_io_error(bh) && page->mapping)
set_bit(AS_EIO, &page->mapping->flags);
mapping_set_error(page->mapping, -EIO);
if (buffer_busy(bh))
goto failed;
bh = bh->b_this_page;