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btrfs: sink get_extent parameter to extent_readpages 

There's only one caller that passes btrfs_get_extent.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-06-23 04:09:57 +02:00
parent e3350e16ea
commit 0932584b66
3 changed files with 7 additions and 10 deletions
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11
fs/btrfs/extent_io.c
View File

@ -4133,8 +4133,7 @@ int extent_writepages(struct extent_io_tree *tree,
int extent_readpages(struct extent_io_tree *tree,
struct address_space *mapping,
struct list_head *pages, unsigned nr_pages,
get_extent_t get_extent)
struct list_head *pages, unsigned nr_pages)
{
struct bio *bio = NULL;
unsigned page_idx;
@ -4160,13 +4159,13 @@ int extent_readpages(struct extent_io_tree *tree,
pagepool[nr++] = page;
if (nr < ARRAY_SIZE(pagepool))
continue;
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
&bio, &bio_flags, &prev_em_start);
__extent_readpages(tree, pagepool, nr, btrfs_get_extent,
&em_cached, &bio, &bio_flags, &prev_em_start);
nr = 0;
}
if (nr)
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
&bio, &bio_flags, &prev_em_start);
__extent_readpages(tree, pagepool, nr, btrfs_get_extent,
&em_cached, &bio, &bio_flags, &prev_em_start);
if (em_cached)
free_extent_map(em_cached);

3
fs/btrfs/extent_io.h
View File

@ -414,8 +414,7 @@ int btree_write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc);
int extent_readpages(struct extent_io_tree *tree,
struct address_space *mapping,
struct list_head *pages, unsigned nr_pages,
get_extent_t get_extent);
struct list_head *pages, unsigned nr_pages);
int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len);
void set_page_extent_mapped(struct page *page);

3
fs/btrfs/inode.c
View File

@ -8911,8 +8911,7 @@ btrfs_readpages(struct file *file, struct address_space *mapping,
{
struct extent_io_tree *tree;
tree = &BTRFS_I(mapping->host)->io_tree;
return extent_readpages(tree, mapping, pages, nr_pages,
btrfs_get_extent);
return extent_readpages(tree, mapping, pages, nr_pages);
}
static int __btrfs_releasepage(struct page *page, gfp_t gfp_flags)
{