lkml.org 
[lkml]   [2020]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 06/17] fs/hfs: Convert to mem*_page() interface
Date
From: Ira Weiny <ira.weiny@intel.com>

Where possible remove kmap/mem*/kunmap in favor of the new mem*_page()
calls.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
fs/hfs/bnode.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c
index b63a4df7327b..56037ae5ba69 100644
--- a/fs/hfs/bnode.c
+++ b/fs/hfs/bnode.c
@@ -23,8 +23,7 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf,
off += node->page_offset;
page = node->page[0];

- memcpy(buf, kmap(page) + off, len);
- kunmap(page);
+ memcpy_from_page(buf, page, off, len);
}

u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off)
@@ -65,8 +64,7 @@ void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len)
off += node->page_offset;
page = node->page[0];

- memcpy(kmap(page) + off, buf, len);
- kunmap(page);
+ memcpy_to_page(page, off, buf, len);
set_page_dirty(page);
}

@@ -90,8 +88,7 @@ void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)
off += node->page_offset;
page = node->page[0];

- memset(kmap(page) + off, 0, len);
- kunmap(page);
+ memzero_page(page, off, len);
set_page_dirty(page);
}

@@ -108,9 +105,7 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
src_page = src_node->page[0];
dst_page = dst_node->page[0];

- memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len);
- kunmap(src_page);
- kunmap(dst_page);
+ memcpy_page(dst_page, dst, src_page, src, len);
set_page_dirty(dst_page);
}

--
2.28.0.rc0.12.gb6a658bd00c9
\
 
 \ /
  Last update: 2020-11-24 07:40    [W:0.244 / U:0.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site