Messages in this thread | | | Date | Mon, 1 Feb 2021 14:33:48 -0800 | From | Jaegeuk Kim <> | Subject | Re: [PATCH] f2fs: prevent setting ioprio of thread not in merge mode |
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Thanks. Merged into the original patch.
On 02/01, Daeho Jeong wrote: > From: Daeho Jeong <daehojeong@google.com> > > It causes a crash to change the ioprio of checkpoint thread not in > checkpoint=merge. I fixed that to prevent setting the ioprio of the > thread when checkpoint=merge is not enabled. > > Signed-off-by: Daeho Jeong <daehojeong@google.com> > --- > fs/f2fs/sysfs.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c > index 100608bcd517..e38a7f6921dd 100644 > --- a/fs/f2fs/sysfs.c > +++ b/fs/f2fs/sysfs.c > @@ -357,8 +357,12 @@ static ssize_t __sbi_store(struct f2fs_attr *a, > return -EINVAL; > > cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data); > - ret = set_task_ioprio(cprc->f2fs_issue_ckpt, > - cprc->ckpt_thread_ioprio); > + if (test_opt(sbi, MERGE_CHECKPOINT)) { > + ret = set_task_ioprio(cprc->f2fs_issue_ckpt, > + cprc->ckpt_thread_ioprio); > + if (ret) > + return ret; > + } > > return count; > } > -- > 2.30.0.365.g02bc693789-goog
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