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btrfs: add mirror_num to extent_read_full_page

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Currently, extent_read_full_page always assumes we are trying to read mirror
0, which generally is the best we can do. To add flexibility, pass it as a
parameter. This will be needed by scrub fixup code.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
This commit is contained in:
Jan Schmidt
2011-06-13 20:02:58 +02:00
parent 193ea74b27
commit 8ddc7d9cd0
4 changed files with 6 additions and 6 deletions
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6
fs/btrfs/extent_io.c
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@@ -2076,16 +2076,16 @@ out:
}
int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
get_extent_t *get_extent)
get_extent_t *get_extent, int mirror_num)
{
struct bio *bio = NULL;
unsigned long bio_flags = 0;
int ret;
ret = __extent_read_full_page(tree, page, get_extent, &bio, 0,
ret = __extent_read_full_page(tree, page, get_extent, &bio, mirror_num,
&bio_flags);
if (bio)
ret = submit_one_bio(READ, bio, 0, bio_flags);
ret = submit_one_bio(READ, bio, mirror_num, bio_flags);
return ret;
}