From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/fs/f2fs/inline.c | 28 ++++++++++------------------
1 files changed, 10 insertions(+), 18 deletions(-)
diff --git a/kernel/fs/f2fs/inline.c b/kernel/fs/f2fs/inline.c
index 470b069..0f9b2eb 100644
--- a/kernel/fs/f2fs/inline.c
+++ b/kernel/fs/f2fs/inline.c
@@ -65,7 +65,6 @@
void f2fs_do_read_inline_data(struct page *page, struct page *ipage)
{
struct inode *inode = page->mapping->host;
- void *src_addr, *dst_addr;
if (PageUptodate(page))
return;
@@ -75,11 +74,8 @@
zero_user_segment(page, MAX_INLINE_DATA(inode), PAGE_SIZE);
/* Copy the whole inline data block */
- src_addr = inline_data_addr(inode, ipage);
- dst_addr = kmap_atomic(page);
- memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
- flush_dcache_page(page);
- kunmap_atomic(dst_addr);
+ memcpy_to_page(page, 0, inline_data_addr(inode, ipage),
+ MAX_INLINE_DATA(inode));
if (!PageUptodate(page))
SetPageUptodate(page);
}
@@ -264,7 +260,6 @@
int f2fs_write_inline_data(struct inode *inode, struct page *page)
{
- void *src_addr, *dst_addr;
struct dnode_of_data dn;
int err;
@@ -281,10 +276,8 @@
f2fs_bug_on(F2FS_I_SB(inode), page->index);
f2fs_wait_on_page_writeback(dn.inode_page, NODE, true, true);
- src_addr = kmap_atomic(page);
- dst_addr = inline_data_addr(inode, dn.inode_page);
- memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
- kunmap_atomic(src_addr);
+ memcpy_from_page(inline_data_addr(inode, dn.inode_page),
+ page, 0, MAX_INLINE_DATA(inode));
set_page_dirty(dn.inode_page);
f2fs_clear_page_cache_dirty_tag(page);
@@ -445,18 +438,17 @@
dentry_blk = page_address(page);
+ /*
+ * Start by zeroing the full block, to ensure that all unused space is
+ * zeroed and no uninitialized memory is leaked to disk.
+ */
+ memset(dentry_blk, 0, F2FS_BLKSIZE);
+
make_dentry_ptr_inline(dir, &src, inline_dentry);
make_dentry_ptr_block(dir, &dst, dentry_blk);
/* copy data from inline dentry block to new dentry block */
memcpy(dst.bitmap, src.bitmap, src.nr_bitmap);
- memset(dst.bitmap + src.nr_bitmap, 0, dst.nr_bitmap - src.nr_bitmap);
- /*
- * we do not need to zero out remainder part of dentry and filename
- * field, since we have used bitmap for marking the usage status of
- * them, besides, we can also ignore copying/zeroing reserved space
- * of dentry block, because them haven't been used so far.
- */
memcpy(dst.dentry, src.dentry, SIZE_OF_DIR_ENTRY * src.max);
memcpy(dst.filename, src.filename, src.max * F2FS_SLOT_LEN);
--
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