On Thu, Jun 13, 2024 at 09:05:17AM +0200, Jean-Michel Hautbois wrote: > Hi everyone ! > > I am currently working on a Coldfire (MPC54418) and quite everything goes > well, except that I can only execute one command from user space before > getting a segmentation fault on the do_exit() syscall. Looks like jffs2 is simply missing a dirty_folio implementation. The simple filemap_dirty_folio should do the job, please try the patch below: diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 62ea76da7fdf23..7124cbad6c35ae 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -19,6 +19,7 @@ #include <linux/highmem.h> #include <linux/crc32.h> #include <linux/jffs2.h> +#include <linux/writeback.h> #include "nodelist.h" static int jffs2_write_end(struct file *filp, struct address_space *mapping, @@ -75,6 +76,7 @@ const struct address_space_operations jffs2_file_address_operations = .read_folio = jffs2_read_folio, .write_begin = jffs2_write_begin, .write_end = jffs2_write_end, + .dirty_folio = filemap_dirty_folio, }; static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg)
