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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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2
fs/btrfs/inode.c
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@@ -6289,7 +6289,7 @@ int btrfs_readpage(struct file *file, struct page *page)
{
struct extent_io_tree *tree;
tree = &BTRFS_I(page->mapping->host)->io_tree;
return extent_read_full_page(tree, page, btrfs_get_extent);
return extent_read_full_page(tree, page, btrfs_get_extent, 0);
}
static int btrfs_writepage(struct page *page, struct writeback_control *wbc)