diff mbox series

[RFC,PKS/PMEM,37/58] fs/ext2: Utilize new kmap_thread()

Message ID 20201009195033.3208459-38-ira.weiny@intel.com (mailing list archive)
State Not Applicable
Headers show
Series PMEM: Introduce stray write protection for PMEM | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/merge (118be7377c97e35c33819bcb3bbbae5a42a4ac43)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/next (a2d0230b91f7e23ceb5d8fb6a9799f30517ec33a)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linus/master (6f2f486d57c4d562cdf4932320b66fbb878ab1c4)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/fixes (0460534b532e5518c657c7d6492b9337d975eaa3)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linux-next (d67bc7812221606e1886620a357b13f906814af7)
snowpatch_ozlabs/apply_patch fail Failed to apply to any branch

Commit Message

Ira Weiny Oct. 9, 2020, 7:50 p.m. UTC 
From: Ira Weiny <ira.weiny@intel.com>

These kmap() calls are localized to a single thread.  To avoid the over
head of global PKRS update use the new kmap_thread() call instead.

Cc: Jan Kara <jack@suse.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 fs/ext2/dir.c  | 2 +-
 fs/ext2/ext2.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index f3194bf20733..abe97ba458c8 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -196,7 +196,7 @@  static struct page * ext2_get_page(struct inode *dir, unsigned long n,
 	struct address_space *mapping = dir->i_mapping;
 	struct page *page = read_mapping_page(mapping, n, NULL);
 	if (!IS_ERR(page)) {
-		kmap(page);
+		kmap_thread(page);
 		if (unlikely(!PageChecked(page))) {
 			if (PageError(page) || !ext2_check_page(page, quiet))
 				goto fail;
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 021ec8b42ac3..9bcb6714c255 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -749,7 +749,7 @@  extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);
 extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *, int);
 static inline void ext2_put_page(struct page *page)
 {
-	kunmap(page);
+	kunmap_thread(page);
 	put_page(page);
 }