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authorArnd Bergmann <arnd@arndb.de>2016-06-30 11:49:01 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-20 18:09:20 +0200
commit564e0f8b22814e1b811bbc77953c9554e2a08328 (patch)
treebf428bd9174c1698eed1ede74613fbcf1e6f0dc5 /fs/jbd2/commit.c
parentf2aa5d3771351ed45cf9f5ce73bc4695a09318be (diff)
jbd2: make journal y2038 safe
commit abcfb5d979892fc8b12574551fc907c05fe1b11b upstream. The jbd2 journal stores the commit time in 64-bit seconds and 32-bit nanoseconds, which avoids an overflow in 2038, but it gets the numbers from current_kernel_time(), which uses 'long' seconds on 32-bit architectures. This simply changes the code to call current_kernel_time64() so we use 64-bit seconds consistently. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/jbd2/commit.c')
-rw-r--r--fs/jbd2/commit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 36345fefa3ff..2d964ce45606 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -124,7 +124,7 @@ static int journal_submit_commit_record(journal_t *journal,
struct commit_header *tmp;
struct buffer_head *bh;
int ret;
- struct timespec now = current_kernel_time();
+ struct timespec64 now = current_kernel_time64();
*cbh = NULL;