diff mbox series

[RFC,PKS/PMEM,26/58] fs/zonefs: Utilize new kmap_thread()

Message ID 20201009195033.3208459-27-ira.weiny@intel.com
State New
Headers show
Series [RFC,PKS/PMEM,01/58] x86/pks: Add a global pkrs option | expand

Commit Message

Ira Weiny Oct. 9, 2020, 7:50 p.m. UTC 
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(-)
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Patch

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);