From: Gustavo Padovan gustavo.padovan@collabora.co.uk
Creates the 'sync' dir on debugfs root dir and move the 'sync' file to sync/info. This is the preparation to add more debug info and control.
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk --- drivers/staging/android/sync_debug.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c index f45d13c..86d683b 100644 --- a/drivers/staging/android/sync_debug.c +++ b/drivers/staging/android/sync_debug.c @@ -15,6 +15,7 @@ */
#include <linux/debugfs.h> +#include <linux/module.h> #include <linux/export.h> #include <linux/file.h> #include <linux/fs.h> @@ -30,6 +31,8 @@
#ifdef CONFIG_DEBUG_FS
+static struct dentry *dbgfs; + static LIST_HEAD(sync_timeline_list_head); static DEFINE_SPINLOCK(sync_timeline_list_lock); static LIST_HEAD(sync_fence_list_head); @@ -208,13 +211,13 @@ static int sync_debugfs_show(struct seq_file *s, void *unused) return 0; }
-static int sync_debugfs_open(struct inode *inode, struct file *file) +static int sync_info_debugfs_open(struct inode *inode, struct file *file) { return single_open(file, sync_debugfs_show, inode->i_private); }
-static const struct file_operations sync_debugfs_fops = { - .open = sync_debugfs_open, +static const struct file_operations sync_info_debugfs_fops = { + .open = sync_info_debugfs_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, @@ -222,11 +225,21 @@ static const struct file_operations sync_debugfs_fops = {
static __init int sync_debugfs_init(void) { - debugfs_create_file("sync", S_IRUGO, NULL, NULL, &sync_debugfs_fops); + dbgfs = debugfs_create_dir("sync", NULL); + + debugfs_create_file("info", 0444, dbgfs, NULL, &sync_info_debugfs_fops); + return 0; } late_initcall(sync_debugfs_init);
+static __exit void sync_debugfs_exit(void) +{ + if (dbgfs) + debugfs_remove_recursive(dbgfs); +} +module_exit(sync_debugfs_exit); + #define DUMP_CHUNK 256 static char sync_dump_buf[64 * 1024]; void sync_dump(void)