From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Renaud=20M=C3=A9trich?= Date: Fri, 29 Nov 2019 11:02:00 +0100 Subject: [PATCH] grub_file_* instrumentation (new 'file' debug tag) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Renaud Métrich --- grub-core/kern/file.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/grub-core/kern/file.c b/grub-core/kern/file.c index 668f8930b19..c2d9a550007 100644 --- a/grub-core/kern/file.c +++ b/grub-core/kern/file.c @@ -67,6 +67,8 @@ grub_file_open (const char *name) const char *file_name; grub_file_filter_id_t filter; + grub_dprintf ("file", "Opening `%s' ...\n", name); + device_name = grub_file_get_device_name (name); if (grub_errno) goto fail; @@ -127,6 +129,8 @@ grub_file_open (const char *name) grub_memcpy (grub_file_filters_enabled, grub_file_filters_all, sizeof (grub_file_filters_enabled)); + grub_dprintf ("file", "Opening `%s' succeeded.\n", name); + return file; fail: @@ -140,6 +144,8 @@ grub_file_open (const char *name) grub_memcpy (grub_file_filters_enabled, grub_file_filters_all, sizeof (grub_file_filters_enabled)); + grub_dprintf ("file", "Opening `%s' failed.\n", name); + return 0; } @@ -171,6 +177,7 @@ grub_file_read (grub_file_t file, void *buf, grub_size_t len) if (len == 0) return 0; + read_hook = file->read_hook; read_hook_data = file->read_hook_data; if (!file->read_hook) @@ -191,11 +198,18 @@ grub_file_read (grub_file_t file, void *buf, grub_size_t len) grub_err_t grub_file_close (grub_file_t file) { + grub_dprintf ("file", "Closing `%s' ...\n", file->name); if (file->fs->close) (file->fs->close) (file); if (file->device) grub_device_close (file->device); + + if (grub_errno == GRUB_ERR_NONE) + grub_dprintf ("file", "Closing `%s' succeeded.\n", file->name); + else + grub_dprintf ("file", "Closing `%s' failed with %d.\n", file->name, grub_errno); + grub_free (file->name); grub_free (file); return grub_errno;