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btrfs: Make calc_csum_metadata_size take btrfs_inode 

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-02-20 13:50:38 +02:00 committed by David Sterba
parent baa3ba39b9
commit 0e6bf9b13c
1 changed files with 12 additions and 15 deletions
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27
fs/btrfs/extent-tree.c
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@ -5893,24 +5893,21 @@ static unsigned drop_outstanding_extent(struct btrfs_inode *inode,
*
* This must be called with BTRFS_I(inode)->lock held.
*/
static u64 calc_csum_metadata_size(struct inode *inode, u64 num_bytes,
static u64 calc_csum_metadata_size(struct btrfs_inode *inode, u64 num_bytes,
int reserve)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
u64 old_csums, num_csums;
if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM &&
BTRFS_I(inode)->csum_bytes == 0)
if (inode->flags & BTRFS_INODE_NODATASUM && inode->csum_bytes == 0)
return 0;
old_csums = btrfs_csum_bytes_to_leaves(fs_info,
BTRFS_I(inode)->csum_bytes);
old_csums = btrfs_csum_bytes_to_leaves(fs_info, inode->csum_bytes);
if (reserve)
BTRFS_I(inode)->csum_bytes += num_bytes;
inode->csum_bytes += num_bytes;
else
BTRFS_I(inode)->csum_bytes -= num_bytes;
num_csums = btrfs_csum_bytes_to_leaves(fs_info,
BTRFS_I(inode)->csum_bytes);
inode->csum_bytes -= num_bytes;
num_csums = btrfs_csum_bytes_to_leaves(fs_info, inode->csum_bytes);
/* No change, no need to reserve more */
if (old_csums == num_csums)
@ -5974,7 +5971,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
/* We always want to reserve a slot for updating the inode. */
to_reserve = btrfs_calc_trans_metadata_size(fs_info, nr_extents + 1);
to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
to_reserve += calc_csum_metadata_size(BTRFS_I(inode), num_bytes, 1);
csum_bytes = BTRFS_I(inode)->csum_bytes;
spin_unlock(&BTRFS_I(inode)->lock);
@ -6021,7 +6018,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
* so we can just reduce our inodes csum bytes and carry on.
*/
if (BTRFS_I(inode)->csum_bytes == csum_bytes) {
calc_csum_metadata_size(inode, num_bytes, 0);
calc_csum_metadata_size(BTRFS_I(inode), num_bytes, 0);
} else {
u64 orig_csum_bytes = BTRFS_I(inode)->csum_bytes;
u64 bytes;
@ -6036,7 +6033,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
*/
bytes = csum_bytes - BTRFS_I(inode)->csum_bytes;
BTRFS_I(inode)->csum_bytes = csum_bytes;
to_free = calc_csum_metadata_size(inode, bytes, 0);
to_free = calc_csum_metadata_size(BTRFS_I(inode), bytes, 0);
/*
@ -6046,7 +6043,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
*/
BTRFS_I(inode)->csum_bytes = csum_bytes - num_bytes;
bytes = csum_bytes - orig_csum_bytes;
bytes = calc_csum_metadata_size(inode, bytes, 0);
bytes = calc_csum_metadata_size(BTRFS_I(inode), bytes, 0);
/*
* Now reset ->csum_bytes to what it should be. If bytes is
@ -6096,7 +6093,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
dropped = drop_outstanding_extent(BTRFS_I(inode), num_bytes);
if (num_bytes)
to_free = calc_csum_metadata_size(inode, num_bytes, 0);
to_free = calc_csum_metadata_size(BTRFS_I(inode), num_bytes, 0);
spin_unlock(&BTRFS_I(inode)->lock);
if (dropped > 0)
to_free += btrfs_calc_trans_metadata_size(fs_info, dropped);