bcachefs: Reduce stack usage in data_update_index_update()

Separate tracepoint message generation and other slowpath code into
non-inline functions, and use bch2_trans_log_str() instead of using a
printbuf for our journal message.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-05-22 12:50:22 -04:00
commit d385ca5603