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Btrfs: pass fs_info to btrfs_map_block() instead of mapping_tree

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This is required for the device replace procedure in a later step.
Two calling functions also had to be changed to have the fs_info
pointer: repair_io_failure() and scrub_setup_recheck_block().

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Stefan Behrens 2012-11-05 15:46:42 +01:00 • committed by Josef Bacik
parent 5d9640517d
commit 3ec706c831
9 changed files with 32 additions and 37 deletions
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12
fs/btrfs/inode.c
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@ -1549,7 +1549,6 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
unsigned long bio_flags)
{
struct btrfs_root *root = BTRFS_I(page->mapping->host)->root;
struct btrfs_mapping_tree *map_tree;
u64 logical = (u64)bio->bi_sector << 9;
u64 length = 0;
u64 map_length;
@ -1559,11 +1558,10 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
return 0;
length = bio->bi_size;
map_tree = &root->fs_info->mapping_tree;
map_length = length;
ret = btrfs_map_block(map_tree, READ, logical,
ret = btrfs_map_block(root->fs_info, READ, logical,
&map_length, NULL, 0);
/* Will always return 0 or 1 with map_multi == NULL */
/* Will always return 0 with map_multi == NULL */
BUG_ON(ret < 0);
if (map_length < length + size)
return 1;
@ -6364,7 +6362,6 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
{
struct inode *inode = dip->inode;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_mapping_tree *map_tree = &root->fs_info->mapping_tree;
struct bio *bio;
struct bio *orig_bio = dip->orig_bio;
struct bio_vec *bvec = orig_bio->bi_io_vec;
@ -6377,7 +6374,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
int async_submit = 0;
map_length = orig_bio->bi_size;
ret = btrfs_map_block(map_tree, READ, start_sector << 9,
ret = btrfs_map_block(root->fs_info, READ, start_sector << 9,
&map_length, NULL, 0);
if (ret) {
bio_put(orig_bio);
@ -6431,7 +6428,8 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
bio->bi_end_io = btrfs_end_dio_bio;
map_length = orig_bio->bi_size;
ret = btrfs_map_block(map_tree, READ, start_sector << 9,
ret = btrfs_map_block(root->fs_info, READ,
start_sector << 9,
&map_length, NULL, 0);
if (ret) {
bio_put(bio);