From: Ira Weiny <ira.weiny@xxxxxxxxx>
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: Anton Altaparmakov <anton@xxxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
fs/ntfs/aops.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index bb0a43860ad2..11633d732809 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1099,7 +1099,7 @@ static int ntfs_write_mst_block(struct page *page,
if (!nr_bhs)
goto done;
/* Map the page so we can access its contents. */
- kaddr = kmap(page);
+ kaddr = kmap_thread(page);
/* Clear the page uptodate flag whilst the mst fixups are applied. */
BUG_ON(!PageUptodate(page));
ClearPageUptodate(page);
@@ -1276,7 +1276,7 @@ static int ntfs_write_mst_block(struct page *page,
iput(VFS_I(base_tni));
}
SetPageUptodate(page);
- kunmap(page);
+ kunmap_thread(page);
done:
if (unlikely(err && err != -ENOMEM)) {
/*
--
2.28.0.rc0.12.gb6a658bd00c9
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