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btrfs: pass the ino via truncate control

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In the future we are going to want to truncate inode items without
needing to have an btrfs_inode to pass in, so add ino to the
btrfs_truncate_control and use that to look up the inode items to
truncate.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-12-03 17:18:14 -05:00 committed by David Sterba
parent 655807b895
commit 487e81d2a4
5 changed files with 10 additions and 4 deletions
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1
fs/btrfs/free-space-cache.c
View File

@ -293,6 +293,7 @@ int btrfs_truncate_free_space_cache(struct btrfs_trans_handle *trans,
{
struct btrfs_truncate_control control = {
.new_size = 0,
.ino = btrfs_ino(BTRFS_I(vfs_inode)),
.min_type = BTRFS_EXTENT_DATA_KEY,
.clear_extent_range = true,
};

7
fs/btrfs/inode-item.c
View File

@ -458,7 +458,6 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
int pending_del_slot = 0;
int extent_type = -1;
int ret;
u64 ino = btrfs_ino(inode);
u64 bytes_deleted = 0;
bool be_nice = false;
bool should_throttle = false;
@ -480,7 +479,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
return -ENOMEM;
path->reada = READA_BACK;
key.objectid = ino;
key.objectid = control->ino;
key.offset = (u64)-1;
key.type = (u8)-1;
@ -516,7 +515,7 @@ search_again:
btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
found_type = found_key.type;
if (found_key.objectid != ino)
if (found_key.objectid != control->ino)
break;
if (found_type < control->min_type)
@ -667,7 +666,7 @@ delete:
btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF,
extent_start, extent_num_bytes, 0);
btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
ino, extent_offset,
control->ino, extent_offset,
root->root_key.objectid, false);
ret = btrfs_free_extent(trans, &ref);
if (ret) {

3
fs/btrfs/inode-item.h
View File

@ -32,6 +32,9 @@ struct btrfs_truncate_control {
/* OUT: the number of bytes to sub from this inode. */
u64 sub_bytes;
/* IN: the ino we are truncating. */
u64 ino;
/*
* IN: minimum key type to remove. All key types with this type are
* removed only if their offset >= new_size.

2
fs/btrfs/inode.c
View File

@ -5252,6 +5252,7 @@ void btrfs_evict_inode(struct inode *inode)
while (1) {
struct btrfs_truncate_control control = {
.ino = btrfs_ino(BTRFS_I(inode)),
.new_size = 0,
.min_type = 0,
};
@ -8533,6 +8534,7 @@ out_noreserve:
static int btrfs_truncate(struct inode *inode, bool skip_writeback)
{
struct btrfs_truncate_control control = {
.ino = btrfs_ino(BTRFS_I(inode)),
.min_type = BTRFS_EXTENT_DATA_KEY,
.clear_extent_range = true,
};

1
fs/btrfs/tree-log.c
View File

@ -4100,6 +4100,7 @@ static int truncate_inode_items(struct btrfs_trans_handle *trans,
{
struct btrfs_truncate_control control = {
.new_size = new_size,
.ino = btrfs_ino(inode),
.min_type = min_type,
.skip_ref_updates = true,
};