xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

btrfs: root->fs_info cleanup, btrfs_calc_{trans,trunc}_metadata_size

Browse Source 
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-06-16 11:07:27 -04:00
committed by David Sterba
parent da17066c40
commit 27965b6c2c
9 changed files with 37 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
fs/btrfs/extent-tree.c
View File

@@ -2791,13 +2791,13 @@ int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
u64 num_bytes, num_dirty_bgs_bytes;
int ret = 0;
num_bytes = btrfs_calc_trans_metadata_size(root, 1);
num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
num_heads = heads_to_leaves(root, num_heads);
if (num_heads > 1)
num_bytes += (num_heads - 1) * root->fs_info->nodesize;
num_bytes <<= 1;
num_bytes += btrfs_csum_bytes_to_leaves(root, csum_bytes) * root->fs_info->nodesize;
num_dirty_bgs_bytes = btrfs_calc_trans_metadata_size(root,
num_dirty_bgs_bytes = btrfs_calc_trans_metadata_size(root->fs_info,
num_dirty_bgs);
global_rsv = &root->fs_info->global_block_rsv;
@@ -4440,8 +4440,8 @@ void check_system_chunk(struct btrfs_trans_handle *trans,
num_devs = get_profile_num_devs(root, type);
/* num_devs device items to update and 1 chunk item to add or remove */
thresh = btrfs_calc_trunc_metadata_size(root, num_devs) +
btrfs_calc_trans_metadata_size(root, 1);
thresh = btrfs_calc_trunc_metadata_size(root->fs_info, num_devs) +
btrfs_calc_trans_metadata_size(root->fs_info, 1);
if (left < thresh && btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
btrfs_info(root->fs_info, "left=%llu, need=%llu, flags=%llu",
@@ -4695,7 +4695,7 @@ static inline int calc_reclaim_items_nr(struct btrfs_root *root, u64 to_reclaim)
u64 bytes;
int nr;
bytes = btrfs_calc_trans_metadata_size(root, 1);
bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
nr = (int)div64_u64(to_reclaim, bytes);
if (!nr)
nr = 1;
@@ -5770,7 +5770,7 @@ int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
* added it, so this takes the reservation so we can release it later
* when we are truly done with the orphan item.
*/
u64 num_bytes = btrfs_calc_trans_metadata_size(root, 1);
u64 num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
trace_btrfs_space_reservation(root->fs_info, "orphan",
btrfs_ino(inode), num_bytes, 1);
return btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes, 1);
@@ -5779,7 +5779,7 @@ int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
void btrfs_orphan_release_metadata(struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 num_bytes = btrfs_calc_trans_metadata_size(root, 1);
u64 num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
trace_btrfs_space_reservation(root->fs_info, "orphan",
btrfs_ino(inode), num_bytes, 0);
btrfs_block_rsv_release(root, root->orphan_block_rsv, num_bytes);
@@ -5821,7 +5821,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
*qgroup_reserved = num_bytes;
num_bytes = btrfs_calc_trans_metadata_size(root, items);
num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, items);
rsv->space_info = __find_space_info(root->fs_info,
BTRFS_BLOCK_GROUP_METADATA);
ret = btrfs_block_rsv_add(root, rsv, num_bytes,
@@ -5925,10 +5925,11 @@ static u64 calc_csum_metadata_size(struct inode *inode, u64 num_bytes,
return 0;
if (reserve)
return btrfs_calc_trans_metadata_size(root,
return btrfs_calc_trans_metadata_size(root->fs_info,
num_csums - old_csums);
return btrfs_calc_trans_metadata_size(root, old_csums - num_csums);
return btrfs_calc_trans_metadata_size(root->fs_info,
old_csums - num_csums);
}
int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
@@ -5982,7 +5983,8 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
BTRFS_I(inode)->reserved_extents;
/* We always want to reserve a slot for updating the inode. */
to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents + 1);
to_reserve = btrfs_calc_trans_metadata_size(root->fs_info,
nr_extents + 1);
to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
csum_bytes = BTRFS_I(inode)->csum_bytes;
spin_unlock(&BTRFS_I(inode)->lock);
@@ -6004,7 +6006,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
spin_lock(&BTRFS_I(inode)->lock);
if (test_and_set_bit(BTRFS_INODE_DELALLOC_META_RESERVED,
&BTRFS_I(inode)->runtime_flags)) {
to_reserve -= btrfs_calc_trans_metadata_size(root, 1);
to_reserve -= btrfs_calc_trans_metadata_size(root->fs_info, 1);
release_extra = true;
}
BTRFS_I(inode)->reserved_extents += nr_extents;
@@ -6018,8 +6020,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
btrfs_ino(inode), to_reserve, 1);
if (release_extra)
btrfs_block_rsv_release(root, block_rsv,
btrfs_calc_trans_metadata_size(root,
1));
btrfs_calc_trans_metadata_size(root->fs_info, 1));
return 0;
out_fail:
@@ -6074,7 +6075,8 @@ out_fail:
}
spin_unlock(&BTRFS_I(inode)->lock);
if (dropped)
to_free += btrfs_calc_trans_metadata_size(root, dropped);
to_free += btrfs_calc_trans_metadata_size(root->fs_info,
dropped);
if (to_free) {
btrfs_block_rsv_release(root, block_rsv, to_free);
@@ -6109,7 +6111,8 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
to_free = calc_csum_metadata_size(inode, num_bytes, 0);
spin_unlock(&BTRFS_I(inode)->lock);
if (dropped > 0)
to_free += btrfs_calc_trans_metadata_size(root, dropped);
to_free += btrfs_calc_trans_metadata_size(root->fs_info,
dropped);
if (btrfs_is_testing(root->fs_info))
return;