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From 9d3d65f1398ba63e6a2828ebdefbb76af9423df9 Mon Sep 17 00:00:00 2001
From: Bruce Ashfield <bruce.ashfield@windriver.com>
Date: Mon, 20 Jan 2014 00:10:44 -0500
Subject: [PATCH 1/2] yaffs2: fix 3.12+ compilation issues
Update yaffs2 to the latest from ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2,
to fix build issues with recent kernels.
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
---
fs/yaffs2/yaffs_vfs.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/fs/yaffs2/yaffs_vfs.c b/fs/yaffs2/yaffs_vfs.c
index c3b73681c826..894e185aa7b7 100644
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -1700,6 +1700,110 @@ static void yaffs_remove_obj_callback(struct yaffs_obj *obj)
/*-----------------------------------------------------------------*/
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
+static int yaffs_readdir(struct file *file, struct dir_context *ctx)
+{
+ struct yaffs_obj *obj;
+ struct yaffs_dev *dev;
+ struct yaffs_search_context *sc;
+ struct inode *inode = file->f_dentry->d_inode;
+ unsigned long offset, curoffs;
+ struct yaffs_obj *l;
+ int ret_val = 0;
+
+ char name[YAFFS_MAX_NAME_LENGTH + 1];
+
+ obj = yaffs_dentry_to_obj(file->f_dentry);
+ dev = obj->my_dev;
+
+ yaffs_gross_lock(dev);
+
+ yaffs_dev_to_lc(dev)->readdir_process = current;
+
+ offset = ctx->pos;
+
+ sc = yaffs_new_search(obj);
+ if (!sc) {
+ ret_val = -ENOMEM;
+ goto out;
+ }
+
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: starting at %d", (int)offset);
+
+ if (offset == 0) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry . ino %d",
+ (int)inode->i_ino);
+ yaffs_gross_unlock(dev);
+ if (!dir_emit_dot(file, ctx)) {
+ yaffs_gross_lock(dev);
+ goto out;
+ }
+ yaffs_gross_lock(dev);
+ offset++;
+ ctx->pos++;
+ }
+ if (offset == 1) {
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: entry .. ino %d",
+ (int)file->f_dentry->d_parent->d_inode->i_ino);
+ yaffs_gross_unlock(dev);
+ if (!dir_emit_dotdot(file, ctx)) {
+ yaffs_gross_lock(dev);
+ goto out;
+ }
+ yaffs_gross_lock(dev);
+ offset++;
+ ctx->pos++;
+ }
+
+ curoffs = 1;
+
+ /* If the directory has changed since the open or last call to
+ readdir, rewind to after the 2 canned entries. */
+ if (file->f_version != inode->i_version) {
+ offset = 2;
+ ctx->pos = offset;
+ file->f_version = inode->i_version;
+ }
+
+ while (sc->next_return) {
+ curoffs++;
+ l = sc->next_return;
+ if (curoffs >= offset) {
+ int this_inode = yaffs_get_obj_inode(l);
+ int this_type = yaffs_get_obj_type(l);
+
+ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1);
+ yaffs_trace(YAFFS_TRACE_OS,
+ "yaffs_readdir: %s inode %d",
+ name, yaffs_get_obj_inode(l));
+
+ yaffs_gross_unlock(dev);
+
+ if (!dir_emit(ctx, name, strlen(name),
+ this_inode, this_type) < 0) {
+ yaffs_gross_lock(dev);
+ goto out;
+ }
+
+ yaffs_gross_lock(dev);
+
+ offset++;
+ ctx->pos++;
+ }
+ yaffs_search_advance(sc);
+ }
+
+out:
+ yaffs_search_end(sc);
+ yaffs_dev_to_lc(dev)->readdir_process = NULL;
+ yaffs_gross_unlock(dev);
+
+ return ret_val;
+}
+#else
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
{
struct yaffs_obj *obj;
@@ -1806,10 +1910,15 @@ out:
return ret_val;
}
+#endif
static const struct file_operations yaffs_dir_operations = {
.read = generic_read_dir,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
+ .iterate = yaffs_readdir,
+#else
.readdir = yaffs_readdir,
+#endif
.fsync = yaffs_sync_object,
.llseek = generic_file_llseek,
};
--
1.8.1.2
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