These pages are accessed through DMA and vmap; they are not accessed
by calling page_address(), so they do not need to be kmapped.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/ntfs3/frecord.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 37826288fbb0..c41968fcab00 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -2590,7 +2590,6 @@ int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages,
}
pages_disk[i] = pg;
lock_page(pg);
- kmap(pg);
}
/* Read 'ondisk_size' bytes from disk. */
@@ -2640,7 +2639,6 @@ int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages,
for (i = 0; i < npages_disk; i++) {
pg = pages_disk[i];
if (pg) {
- kunmap(pg);
unlock_page(pg);
put_page(pg);
}
@@ -2735,7 +2733,6 @@ int ni_write_frame(struct ntfs_inode *ni, struct page **pages,
}
pages_disk[i] = pg;
lock_page(pg);
- kmap(pg);
}
/* To simplify compress algorithm do vmap for source and target pages. */
@@ -2823,7 +2820,6 @@ int ni_write_frame(struct ntfs_inode *ni, struct page **pages,
for (i = 0; i < pages_per_frame; i++) {
pg = pages_disk[i];
if (pg) {
- kunmap(pg);
unlock_page(pg);
put_page(pg);
}
--
2.47.2
