diff mbox series

[10/10] udf: Switch udf_adinicb_readpage() to kmap_local_page()

Message ID 20230124120628.24449-10-jack@suse.cz (mailing list archive)
State New, archived
Headers show
Series udf: Unify aops | expand

Commit Message

Jan Kara Jan. 24, 2023, 12:06 p.m. UTC
Instead of using kmap_atomic() use kmap_local_page() in
udf_adinicb_readpage().

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/udf/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Christoph Hellwig Jan. 24, 2023, 1:29 p.m. UTC | #1
On Tue, Jan 24, 2023 at 01:06:21PM +0100, Jan Kara wrote:
> Instead of using kmap_atomic() use kmap_local_page() in
> udf_adinicb_readpage().

Looks good.  Given how often this pattern is repeated I wonder if
we want a memcpy_to_page_and_pad helper, though.

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index dcd3f1dac227..5ae29f89869b 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -222,12 +222,12 @@  static void udf_adinicb_readpage(struct page *page)
 	struct udf_inode_info *iinfo = UDF_I(inode);
 	loff_t isize = i_size_read(inode);
 
-	kaddr = kmap_atomic(page);
+	kaddr = kmap_local_page(page);
 	memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize);
 	memset(kaddr + isize, 0, PAGE_SIZE - isize);
 	flush_dcache_page(page);
 	SetPageUptodate(page);
-	kunmap_atomic(kaddr);
+	kunmap_local(kaddr);
 }
 
 static int udf_read_folio(struct file *file, struct folio *folio)