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Subject[PATCH RFC PKS/PMEM 26/58] fs/zonefs: Utilize new kmap_thread()
Date
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);

--
2.28.0.rc0.12.gb6a658bd00c9
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