linux-kernel - [PATCH] pstore: Convert internal records to timespec64

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Date:   Fri, 11 May 2018 23:57:24 -0700
From:   Kees Cook <keescook@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Deepa Dinamani <deepa.kernel@...il.com>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>
Subject: [PATCH] pstore: Convert internal records to timespec64

This prepares pstore for converting the VFS layer to timespec64.

Cc: Deepa Dinamani <deepa.kernel@...il.com>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 fs/pstore/inode.c      | 3 ++-
 fs/pstore/platform.c   | 2 +-
 include/linux/pstore.h | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 5fcb845b9fec..75afe5eb0574 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -392,7 +392,8 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
 	inode->i_private = private;
 
 	if (record->time.tv_sec)
-		inode->i_mtime = inode->i_ctime = record->time;
+		inode->i_mtime = inode->i_ctime =
+			timespec64_to_timespec(record->time);
 
 	d_add(dentry, inode);
 
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index dc720573fd53..c238ab8ba31d 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -328,7 +328,7 @@ void pstore_record_init(struct pstore_record *record,
 	record->psi = psinfo;
 
 	/* Report zeroed timestamp if called before timekeeping has resumed. */
-	record->time = ns_to_timespec(ktime_get_real_fast_ns());
+	record->time = ns_to_timespec64(ktime_get_real_fast_ns());
 }
 
 /*
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index 61f806a7fe29..a15bc4d48752 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -71,7 +71,7 @@ struct pstore_record {
 	struct pstore_info	*psi;
 	enum pstore_type_id	type;
 	u64			id;
-	struct timespec		time;
+	struct timespec64	time;
 	char			*buf;
 	ssize_t			size;
 	ssize_t			ecc_notice_size;
-- 
2.17.0


-- 
Kees Cook
Pixel Security