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bcachefs: do_trace_key_cache_fill()

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Reducing stack frame usage; this moves the printbuf out of the main
stack frame.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-03-21 17:03:12 -04:00
parent dcffc3b1ae
commit 1c8f4587d2
1 changed files with 15 additions and 9 deletions
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24
fs/bcachefs/btree_key_cache.c
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@ -287,6 +287,19 @@ static int btree_key_cache_create(struct btree_trans *trans,
return ret;
}
static noinline_for_stack void do_trace_key_cache_fill(struct btree_trans *trans,
struct btree_path *ck_path,
struct bkey_s_c k)
{
struct printbuf buf = PRINTBUF;
bch2_bpos_to_text(&buf, ck_path->pos);
prt_char(&buf, ' ');
bch2_bkey_val_to_text(&buf, trans->c, k);
trace_key_cache_fill(trans, buf.buf);
printbuf_exit(&buf);
}
static noinline int btree_key_cache_fill(struct btree_trans *trans,
struct btree_path *ck_path,
unsigned flags)
@ -320,15 +333,8 @@ static noinline int btree_key_cache_fill(struct btree_trans *trans,
if (ret)
goto err;
if (trace_key_cache_fill_enabled()) {
struct printbuf buf = PRINTBUF;
bch2_bpos_to_text(&buf, ck_path->pos);
prt_char(&buf, ' ');
bch2_bkey_val_to_text(&buf, trans->c, k);
trace_key_cache_fill(trans, buf.buf);
printbuf_exit(&buf);
}
if (trace_key_cache_fill_enabled())
do_trace_key_cache_fill(trans, ck_path, k);
out:
/* We're not likely to need this iterator again: */
bch2_set_btree_iter_dontneed(&iter);