mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-03 09:29:42 +00:00
Code Issues Releases Wiki Activity

bcachefs: Issue discards when needed to allocate journal write

Browse source 
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 2020-02-26 15:58:36 -05:00 committed by Kent Overstreet
parent 163e885a0a
commit c18dade658
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
fs/bcachefs/journal_io.c
View file

@ -1042,9 +1042,16 @@ void bch2_journal_write(struct closure *cl)
bytes = vstruct_bytes(jset);
memset((void *) jset + bytes, 0, (sectors << 9) - bytes);
retry_alloc:
spin_lock(&j->lock);
ret = journal_write_alloc(j, w, sectors);
if (ret && j->can_discard) {
spin_unlock(&j->lock);
bch2_journal_do_discards(j);
goto retry_alloc;
}
/*
* write is allocated, no longer need to account for it in
* bch2_journal_space_available():