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bcachefs: Don't cap ios in dio write path at 2 MB

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It appears this was erronious, a different bug was responsible

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2020-06-30 10:12:45 -04:00
committed by Kent Overstreet
parent 042a1f268e
commit 52fbb7c859
1 changed files with 0 additions and 10 deletions
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10
fs/bcachefs/fs-io.c
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@@ -1797,22 +1797,12 @@ static long bch2_dio_write_loop(struct dio_write *dio)
goto loop;
while (1) {
size_t extra = dio->iter.count -
min(BIO_MAX_VECS * PAGE_SIZE, dio->iter.count);
if (kthread)
kthread_use_mm(dio->mm);
BUG_ON(current->faults_disabled_mapping);
current->faults_disabled_mapping = mapping;
/*
* Don't issue more than 2MB at once, the bcachefs io path in
* io.c can't bounce more than that:
*/
dio->iter.count -= extra;
ret = bio_iov_iter_get_pages(bio, &dio->iter);
dio->iter.count += extra;
current->faults_disabled_mapping = NULL;
if (kthread)