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LTS 5.10 补丁升级适配 

Signed-off-by: yaowenrui <yaowenrui2@huawei.com>
This commit is contained in:
yaowenrui 2023-11-16 10:46:44 +08:00
parent 04f971084b
commit 4fbb41b7d5
1 changed files with 20 additions and 21 deletions
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41
fs/jffs2/jffs2.patch
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@ -2311,7 +2311,7 @@ diff -Nupr old/fs/jffs2/erase.c new/fs/jffs2/erase.c
diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
--- old/fs/jffs2/file.c 2022-05-09 17:22:53.000000000 +0800
+++ new/fs/jffs2/file.c 2022-05-10 09:43:14.250000000 +0800
@@ -9,335 +9,30 @@
@@ -9,334 +9,31 @@
* For licensing information, see the file 'LICENCE' in this directory.
*
*/
@ -2348,7 +2348,7 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
- struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
+ /* FIXME: This works only with one file system mounted at a time */
int ret;
-
- ret = file_write_and_wait_range(filp, start, end);
+ ret = jffs2_read_inode_range(c, f, gc_buffer,
+ offset & ~(PAGE_SIZE-1), PAGE_SIZE);
@ -2361,8 +2361,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
- inode_unlock(inode);
-
- return 0;
-}
-
+ return ERR_PTR(ret);
+ return gc_buffer;
}
-const struct file_operations jffs2_file_operations =
-{
- .llseek = generic_file_llseek,
@ -2387,7 +2389,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
-};
-
-const struct address_space_operations jffs2_file_address_operations =
-{
+void jffs2_gc_release_page(struct jffs2_sb_info *c,
+ unsigned char *ptr,
+ unsigned long *priv)
{
- .readpage = jffs2_readpage,
- .write_begin = jffs2_write_begin,
- .write_end = jffs2_write_end,
@ -2443,35 +2448,29 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
- ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
- mutex_unlock(&f->sem);
- return ret;
+ return ERR_PTR(ret);
+ return gc_buffer;
}
-}
-
-static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata)
+void jffs2_gc_release_page(struct jffs2_sb_info *c,
+ unsigned char *ptr,
+ unsigned long *priv)
{
-{
- struct page *pg;
- struct inode *inode = mapping->host;
- struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
- struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
- pgoff_t index = pos >> PAGE_SHIFT;
- uint32_t pageofs = index << PAGE_SHIFT;
- int ret = 0;
-
- jffs2_dbg(1, "%s()\n", __func__);
-
- if (pageofs > inode->i_size) {
- /* Make new hole frag from old EOF to new page */
- if (pos > inode->i_size) {
- /* Make new hole frag from old EOF to new position */
- struct jffs2_raw_inode ri;
- struct jffs2_full_dnode *fn;
- uint32_t alloc_len;
-
- jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
- (unsigned int)inode->i_size, pageofs);
- jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new position\n",
- (unsigned int)inode->i_size, (uint32_t)pos);
-
- ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
- ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
@ -2491,10 +2490,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
- ri.mode = cpu_to_jemode(inode->i_mode);
- ri.uid = cpu_to_je16(i_uid_read(inode));
- ri.gid = cpu_to_je16(i_gid_read(inode));
- ri.isize = cpu_to_je32(max((uint32_t)inode->i_size, pageofs));
- ri.isize = cpu_to_je32((uint32_t)pos);
- ri.atime = ri.ctime = ri.mtime = cpu_to_je32(JFFS2_NOW());
- ri.offset = cpu_to_je32(inode->i_size);
- ri.dsize = cpu_to_je32(pageofs - inode->i_size);
- ri.dsize = cpu_to_je32((uint32_t)pos - inode->i_size);
- ri.csize = cpu_to_je32(0);
- ri.compr = JFFS2_COMPR_ZERO;
- ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
@ -2524,7 +2523,7 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
- goto out_err;
- }
- jffs2_complete_reservation(c);
- inode->i_size = pageofs;
- inode->i_size = pos;
- mutex_unlock(&f->sem);
- }
-