| From | Damien Le Moal <> | Subject | Re: [PATCH RFC PKS/PMEM 26/58] fs/zonefs: Utilize new kmap_thread() | Date | Mon, 12 Oct 2020 02:30:18 +0000 |
| |
On 2020/10/10 4:52, ira.weiny@intel.com wrote: > From: Ira Weiny <ira.weiny@intel.com> > > The kmap() calls in this FS are localized to a single thread. To avoid > the over head of global PKRS updates use the new kmap_thread() call. > > Cc: Damien Le Moal <damien.lemoal@wdc.com> > Cc: Naohiro Aota <naohiro.aota@wdc.com> > Signed-off-by: Ira Weiny <ira.weiny@intel.com> > --- > fs/zonefs/super.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c > index 8ec7c8f109d7..2fd6c86beee1 100644 > --- a/fs/zonefs/super.c > +++ b/fs/zonefs/super.c > @@ -1297,7 +1297,7 @@ static int zonefs_read_super(struct super_block *sb) > if (ret) > goto free_page; > > - super = kmap(page); > + super = kmap_thread(page); > > ret = -EINVAL; > if (le32_to_cpu(super->s_magic) != ZONEFS_MAGIC) > @@ -1349,7 +1349,7 @@ static int zonefs_read_super(struct super_block *sb) > ret = 0; > > unmap: > - kunmap(page); > + kunmap_thread(page); > free_page: > __free_page(page); > >
acked-by: Damien Le Moal <damien.lemoal@wdc.com>
-- Damien Le Moal Western Digital Research
|