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[PATCH 4.18 043/197] reiserfs: change j_timestamp type to time64_t




4.18-stable review patch.  If anyone has any objections, please let me know.

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From: Arnd Bergmann <arnd@xxxxxxxx>

[ Upstream commit 8b73ce6a4bae4fe12bcb2c361c0da4183c2e1b6f ]

This uses the deprecated time_t type but is write-only, and could be
removed, but as Jeff explains, having a timestamp can be usefule for
post-mortem analysis in crash dumps.

In order to remove one of the last instances of time_t, this changes the
type to time64_t, same as j_trans_start_time.

Link: http://lkml.kernel.org/r/20180622133315.221210-1-arnd@xxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Jeff Mahoney <jeffm@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/reiserfs/reiserfs.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -271,7 +271,7 @@ struct reiserfs_journal_list {
 
 	struct mutex j_commit_mutex;
 	unsigned int j_trans_id;
-	time_t j_timestamp;
+	time64_t j_timestamp; /* write-only but useful for crash dump analysis */
 	struct reiserfs_list_bitmap *j_list_bitmap;
 	struct buffer_head *j_commit_bh;	/* commit buffer head */
 	struct reiserfs_journal_cnode *j_realblock;