[PATCH 6/7] fs: exfat: Implement trivial 'rename' support

[Marek Vasut]

Implement exfat_fs_rename() to rename or move files. This is used
by the 'mv' generic FS interface command. The rename implementation
for other filesystems was added recently and was not part of exfat
porting layer due to merge issue, which made 'mv' command crash,
fix this by adding the missing implementation.

Fixes: b86a651b646c ("fs: exfat: Add U-Boot porting layer")
Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Cc: Mattijs Korpershoek <mkorpershoek at baylibre.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at lists.denx.de
---
 fs/exfat/io.c   | 5 +++++
 fs/fs.c         | 1 +
 include/exfat.h | 1 +
 3 files changed, 7 insertions(+)

diff --git a/fs/exfat/io.c b/fs/exfat/io.c
index 43c05713ed0..c56f5675987 100644
--- a/fs/exfat/io.c
+++ b/fs/exfat/io.c
@@ -1013,6 +1013,11 @@ exit:
 	return err;
 }
 
+int exfat_fs_rename(const char *old_path, const char *new_path)
+{
+	return exfat_rename(&ctxt.ef, old_path, new_path);
+}
+
 void exfat_fs_close(void)
 {
 	exfat_unmount(&ctxt.ef);
diff --git a/fs/fs.c b/fs/fs.c
index 0b62217fd59..1f36872fb9a 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -401,6 +401,7 @@ static struct fstype_info fstypes[] = {
 		.ln = fs_ln_unsupported,
 		.unlink = exfat_fs_unlink,
 		.mkdir = exfat_fs_mkdir,
+		.rename = exfat_fs_rename,
 	},
 #endif
 	{
diff --git a/include/exfat.h b/include/exfat.h
index 7e43beeb348..75fce5b6566 100644
--- a/include/exfat.h
+++ b/include/exfat.h
@@ -20,5 +20,6 @@ int exfat_fs_unlink(const char *filename);
 int exfat_fs_mkdir(const char *dirname);
 int exfat_fs_write(const char *filename, void *buf, loff_t offset,
 		   loff_t len, loff_t *actwrite);
+int exfat_fs_rename(const char *old_path, const char *new_path);
 
 #endif /* _EXFAT_H */
-- 
2.47.2