hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

btrfs: make btrfs_find_ordered_sum take btrfs_inode 

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2020-08-31 14:42:46 +03:00 committed by David Sterba
parent f1bbde8d5f
commit 3c5641a83a
3 changed files with 13 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/btrfs/file-item.c
View File

@ -318,8 +318,8 @@ blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
if (page_offsets)
offset = page_offset(bvec.bv_page) + bvec.bv_offset;
count = btrfs_find_ordered_sum(inode, offset, disk_bytenr,
csum, nblocks);
count = btrfs_find_ordered_sum(BTRFS_I(inode), offset,
disk_bytenr, csum, nblocks);
if (count)
goto found;

19
fs/btrfs/ordered-data.c
View File

@ -861,20 +861,21 @@ out:
* try to find a checksum. This is used because we allow pages to
* be reclaimed before their checksum is actually put into the btree
*/
int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
u8 *sum, int len)
int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset,
u64 disk_bytenr, u8 *sum, int len)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_fs_info *fs_info = inode->root->fs_info;
struct btrfs_ordered_sum *ordered_sum;
struct btrfs_ordered_extent *ordered;
struct btrfs_ordered_inode_tree *tree = &BTRFS_I(inode)->ordered_tree;
struct btrfs_ordered_inode_tree *tree = &inode->ordered_tree;
unsigned long num_sectors;
unsigned long i;
u32 sectorsize = btrfs_inode_sectorsize(BTRFS_I(inode));
u32 sectorsize = btrfs_inode_sectorsize(inode);
const u8 blocksize_bits = inode->vfs_inode.i_sb->s_blocksize_bits;
const u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
int index = 0;
ordered = btrfs_lookup_ordered_extent(BTRFS_I(inode), offset);
ordered = btrfs_lookup_ordered_extent(inode, offset);
if (!ordered)
return 0;
@ -882,10 +883,8 @@ int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
list_for_each_entry_reverse(ordered_sum, &ordered->list, list) {
if (disk_bytenr >= ordered_sum->bytenr &&
disk_bytenr < ordered_sum->bytenr + ordered_sum->len) {
i = (disk_bytenr - ordered_sum->bytenr) >>
inode->i_sb->s_blocksize_bits;
num_sectors = ordered_sum->len >>
inode->i_sb->s_blocksize_bits;
i = (disk_bytenr - ordered_sum->bytenr) >> blocksize_bits;
num_sectors = ordered_sum->len >> blocksize_bits;
num_sectors = min_t(int, len - index, num_sectors - i);
memcpy(sum + index, ordered_sum->sums + i * csum_size,
num_sectors * csum_size);

4
fs/btrfs/ordered-data.h
View File

@ -185,8 +185,8 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
u64 len);
void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
struct list_head *list);
int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
u8 *sum, int len);
int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset,
u64 disk_bytenr, u8 *sum, int len);
u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
const u64 range_start, const u64 range_len);
void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,