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Btrfs: Create larger bios for btree blocks

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-02-07 10:50:54 -05:00
parent 961d023213
commit a86c12c73d
3 changed files with 17 additions and 8 deletions
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12
fs/btrfs/extent_io.c
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@ -2859,8 +2859,8 @@ EXPORT_SYMBOL(extent_buffer_uptodate);
int read_extent_buffer_pages(struct extent_io_tree *tree,
struct extent_buffer *eb,
u64 start,
int wait)
u64 start, int wait,
get_extent_t *get_extent)
{
unsigned long i;
unsigned long start_i;
@ -2868,6 +2868,8 @@ int read_extent_buffer_pages(struct extent_io_tree *tree,
int err;
int ret = 0;
unsigned long num_pages;
struct bio *bio = NULL;
if (eb->flags & EXTENT_UPTODATE)
return 0;
@ -2899,7 +2901,8 @@ int read_extent_buffer_pages(struct extent_io_tree *tree,
lock_page(page);
}
if (!PageUptodate(page)) {
err = page->mapping->a_ops->readpage(NULL, page);
err = __extent_read_full_page(tree, page,
get_extent, &bio);
if (err) {
ret = err;
}
@ -2908,6 +2911,9 @@ int read_extent_buffer_pages(struct extent_io_tree *tree,
}
}
if (bio)
submit_one_bio(READ, bio);
if (ret || !wait) {
return ret;
}