From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/fs/jffs2/gc.c | 21 +++++++++++++--------
1 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/kernel/fs/jffs2/gc.c b/kernel/fs/jffs2/gc.c
index 9ed0f26..373b3b7 100644
--- a/kernel/fs/jffs2/gc.c
+++ b/kernel/fs/jffs2/gc.c
@@ -1165,12 +1165,13 @@
struct jffs2_inode_info *f, struct jffs2_full_dnode *fn,
uint32_t start, uint32_t end)
{
+ struct inode *inode = OFNI_EDONI_2SFFJ(f);
struct jffs2_full_dnode *new_fn;
struct jffs2_raw_inode ri;
uint32_t alloclen, offset, orig_end, orig_start;
int ret = 0;
unsigned char *comprbuf = NULL, *writebuf;
- unsigned long pg;
+ struct page *page;
unsigned char *pg_ptr;
memset(&ri, 0, sizeof(ri));
@@ -1325,14 +1326,17 @@
* end up here trying to GC the *same* page that jffs2_write_begin() is
* trying to write out, read_cache_page() will not deadlock. */
mutex_unlock(&f->sem);
- pg_ptr = jffs2_gc_fetch_page(c, f, start, &pg);
- mutex_lock(&f->sem);
-
- if (IS_ERR(pg_ptr)) {
+ page = read_cache_page(inode->i_mapping, start >> PAGE_SHIFT,
+ jffs2_do_readpage_unlock, inode);
+ if (IS_ERR(page)) {
pr_warn("read_cache_page() returned error: %ld\n",
- PTR_ERR(pg_ptr));
- return PTR_ERR(pg_ptr);
+ PTR_ERR(page));
+ mutex_lock(&f->sem);
+ return PTR_ERR(page);
}
+
+ pg_ptr = kmap(page);
+ mutex_lock(&f->sem);
offset = start;
while(offset < orig_end) {
@@ -1396,6 +1400,7 @@
}
}
- jffs2_gc_release_page(c, pg_ptr, &pg);
+ kunmap(page);
+ put_page(page);
return ret;
}
--
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