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jbd2: make journal y2038 safe 

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>
Cc: stable@vger.kernel.org
This commit is contained in:
Arnd Bergmann 2016-06-30 11:49:01 -04:00 committed by Theodore Ts'o
parent 1eaa566d36
commit abcfb5d979
1 changed files with 1 additions and 1 deletions
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2
fs/jbd2/commit.c
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@ -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;