Messages in this thread | | | Date | Tue, 2 Mar 2021 09:05:05 -0800 | From | Jaegeuk Kim <> | Subject | Re: [f2fs-dev] [PATCH] f2fs: expose # of overprivision segments |
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On 03/02, Chao Yu wrote: > On 2021/3/2 13:42, Jaegeuk Kim wrote: > > This is useful when checking conditions during checkpoint=disable in Android. > > This sysfs entry is readonly, how about putting this at > /sys/fs/f2fs/<disk>/stat/?
Urg.. "stat" is a bit confused. I'll take a look a better ones.
> > > > > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> > > --- > > fs/f2fs/sysfs.c | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c > > index e38a7f6921dd..254b6fa17406 100644 > > --- a/fs/f2fs/sysfs.c > > +++ b/fs/f2fs/sysfs.c > > @@ -91,6 +91,13 @@ static ssize_t free_segments_show(struct f2fs_attr *a, > > (unsigned long long)(free_segments(sbi))); > > } > > +static ssize_t ovp_segments_show(struct f2fs_attr *a, > > + struct f2fs_sb_info *sbi, char *buf) > > +{ > > + return sprintf(buf, "%llu\n", > > + (unsigned long long)(overprovision_segments(sbi))); > > +} > > + > > static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, > > struct f2fs_sb_info *sbi, char *buf) > > { > > @@ -629,6 +636,7 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag); > > F2FS_RW_ATTR(CPRC_INFO, ckpt_req_control, ckpt_thread_ioprio, ckpt_thread_ioprio); > > F2FS_GENERAL_RO_ATTR(dirty_segments); > > F2FS_GENERAL_RO_ATTR(free_segments); > > +F2FS_GENERAL_RO_ATTR(ovp_segments); > > Missed to add document entry in Documentation/ABI/testing/sysfs-fs-f2fs?
Yeah, thanks.
> > Thanks, > > > F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes); > > F2FS_GENERAL_RO_ATTR(features); > > F2FS_GENERAL_RO_ATTR(current_reserved_blocks); > >
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