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bcachefs: range_has_data() -> for_each_btree_key_in_subvolume_upto

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-07-17 13:30:23 -04:00
parent 330405057f
commit c95285d17e
1 changed files with 5 additions and 24 deletions
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29
fs/bcachefs/fs-io.c
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@ -221,30 +221,11 @@ static inline int range_has_data(struct bch_fs *c, u32 subvol,
struct bpos start, struct bpos start,
struct bpos end) struct bpos end)
{ {
struct btree_trans *trans = bch2_trans_get(c); return bch2_trans_run(c,
struct btree_iter iter; for_each_btree_key_in_subvolume_upto(trans, iter, BTREE_ID_extents, start, end,
struct bkey_s_c k; subvol, 0, k, ({
int ret = 0; bkey_extent_is_data(k.k) && !bkey_extent_is_unwritten(k);
retry: })));
bch2_trans_begin(trans);
ret = bch2_subvolume_get_snapshot(trans, subvol, &start.snapshot);
if (ret)
goto err;
for_each_btree_key_upto_norestart(trans, iter, BTREE_ID_extents, start, end, 0, k, ret)
if (bkey_extent_is_data(k.k) && !bkey_extent_is_unwritten(k)) {
ret = 1;
break;
}
start = iter.pos;
bch2_trans_iter_exit(trans, &iter);
err:
if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
bch2_trans_put(trans);
return ret;
} }
static int __bch2_truncate_folio(struct bch_inode_info *inode, static int __bch2_truncate_folio(struct bch_inode_info *inode,