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authorMark Brown <broonie@kernel.org>2020-08-25 11:01:46 +0100
committerMark Brown <broonie@kernel.org>2020-08-25 11:01:46 +0100
commit3bec5b6aae830355e786e204b20a7cea38c3a8ed (patch)
treefd597b87faf55ceb2a207ee94f4feca6276696db /fs/ubifs/super.c
parenta577f3456c0a2fac3dee037c483753e6e68f3e49 (diff)
parentd012a7190fc1fd72ed48911e77ca97ba4521bccd (diff)
Merge tag 'v5.9-rc2' into regulator-5.9
Linux 5.9-rc2
Diffstat (limited to 'fs/ubifs/super.c')
-rw-r--r--fs/ubifs/super.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7fc2f3f07c16..a2420c900275 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -26,6 +26,24 @@
#include <linux/writeback.h>
#include "ubifs.h"
+static int ubifs_default_version_set(const char *val, const struct kernel_param *kp)
+{
+ int n = 0, ret;
+
+ ret = kstrtoint(val, 10, &n);
+ if (ret != 0 || n < 4 || n > UBIFS_FORMAT_VERSION)
+ return -EINVAL;
+ return param_set_int(val, kp);
+}
+
+static const struct kernel_param_ops ubifs_default_version_ops = {
+ .set = ubifs_default_version_set,
+ .get = param_get_int,
+};
+
+int ubifs_default_version = UBIFS_FORMAT_VERSION;
+module_param_cb(default_version, &ubifs_default_version_ops, &ubifs_default_version, 0600);
+
/*
* Maximum amount of memory we may 'kmalloc()' without worrying that we are
* allocating too much.