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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-01-25 05:29:24 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-01-27 07:02:28 +0300 |
| commit | 75474a54ed354ab7b00b8557ca7a166871473848 (patch) | |
| tree | 12615dd410d87eddbf32ef39395659f4231eae95 | |
| parent | 35f5197009cae284cec9beb8b2692d2321a5bd3c (diff) | |
| download | linux-75474a54ed354ab7b00b8557ca7a166871473848.tar.xz | |
bcachefs: Journal writes are now IOPRIO_CLASS_RT
System performance is particularly sensitive to journal write latency,
the number of outstanding journal writes is bounded and we can't issue
journal flushes until other journal writes have completed.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/journal_io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c index 7f2efe85a805..11c39e0c34f4 100644 --- a/fs/bcachefs/journal_io.c +++ b/fs/bcachefs/journal_io.c @@ -17,6 +17,7 @@ #include "sb-clean.h" #include "trace.h" +#include <linux/ioprio.h> #include <linux/string_choices.h> void bch2_journal_pos_from_member_info_set(struct bch_fs *c) @@ -1763,6 +1764,7 @@ static CLOSURE_CALLBACK(journal_write_submit) bio->bi_iter.bi_sector = ptr->offset; bio->bi_end_io = journal_write_endio; bio->bi_private = ca; + bio->bi_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_RT, 0); BUG_ON(bio->bi_iter.bi_sector == ca->prev_journal_sector); ca->prev_journal_sector = bio->bi_iter.bi_sector; |