github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

bcachefs: Journal writes are now IOPRIO_CLASS_RT

Browse Source 
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>
This commit is contained in:
Kent Overstreet 2025-01-24 21:29:24 -05:00
parent 35f5197009
commit 75474a54ed
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/bcachefs/journal_io.c
View File

@ -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;