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bcachefs: Use bch2_print_string_as_lines for long err

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printk strings get truncated to 1024 bytes; if we have a long error
message (journal debug info) we need to use a helper.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-06-20 13:10:34 -04:00
parent dd9086487c
commit e6b3a655ac
1 changed files with 8 additions and 5 deletions
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13
fs/bcachefs/journal_io.c
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@ -1967,7 +1967,6 @@ CLOSURE_CALLBACK(bch2_journal_write)
struct journal *j = container_of(w, struct journal, buf[w->idx]);
struct bch_fs *c = container_of(j, struct bch_fs, journal);
struct bch_replicas_padded replicas;
struct printbuf journal_debug_buf = PRINTBUF;
unsigned nr_rw_members = 0;
int ret;
@ -2011,11 +2010,15 @@ CLOSURE_CALLBACK(bch2_journal_write)
}
if (ret) {
__bch2_journal_debug_to_text(&journal_debug_buf, j);
struct printbuf buf = PRINTBUF;
buf.atomic++;
prt_printf(&buf, bch2_fmt(c, "Unable to allocate journal write: %s"),
bch2_err_str(ret));
__bch2_journal_debug_to_text(&buf, j);
spin_unlock(&j->lock);
bch_err(c, "Unable to allocate journal write:\n%s",
journal_debug_buf.buf);
printbuf_exit(&journal_debug_buf);
bch2_print_string_as_lines(KERN_ERR, buf.buf);
printbuf_exit(&buf);
goto err;
}