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btrfs: sink arugment tree to contiguous_readpages 

The tree pointer can be safely read from the inode, use it and drop the
redundant argument.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2020-02-05 19:09:40 +01:00
parent 0d44fea77e
commit b6660e80f1
1 changed files with 3 additions and 6 deletions
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9
fs/btrfs/extent_io.c
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@ -3318,8 +3318,7 @@ out:
return ret;
}
static inline void contiguous_readpages(struct extent_io_tree *tree,
struct page *pages[], int nr_pages,
static inline void contiguous_readpages(struct page *pages[], int nr_pages,
u64 start, u64 end,
struct extent_map **em_cached,
struct bio **bio,
@ -3327,10 +3326,9 @@ static inline void contiguous_readpages(struct extent_io_tree *tree,
u64 *prev_em_start)
{
struct btrfs_inode *inode = BTRFS_I(pages[0]->mapping->host);
struct extent_io_tree *tree = &inode->io_tree;
int index;
ASSERT(tree == &inode->io_tree);
btrfs_lock_and_flush_ordered_range(inode, start, end, NULL);
for (index = 0; index < nr_pages; index++) {
@ -4328,7 +4326,6 @@ int extent_readpages(struct address_space *mapping, struct list_head *pages,
unsigned long bio_flags = 0;
struct page *pagepool[16];
struct extent_map *em_cached = NULL;
struct extent_io_tree *tree = &BTRFS_I(mapping->host)->io_tree;
int nr = 0;
u64 prev_em_start = (u64)-1;
@ -4355,7 +4352,7 @@ int extent_readpages(struct address_space *mapping, struct list_head *pages,
ASSERT(contig_start + nr * PAGE_SIZE - 1 == contig_end);
contiguous_readpages(tree, pagepool, nr, contig_start,
contiguous_readpages(pagepool, nr, contig_start,
contig_end, &em_cached, &bio, &bio_flags,
&prev_em_start);
}