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| author | Arnd Bergmann <arnd@arndb.de> | 2018-06-21 18:04:05 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-08-06 13:12:38 +0200 |
| commit | afd48513f0019a2048afed0d98904d3fec7e05dd (patch) | |
| tree | e1d06270a9aff6d87329b7a7ebb4fac2557a7888 /fs/btrfs/transaction.c | |
| parent | e41ca5897489b1c18af75ff0cc8f5c80260b3281 (diff) | |
| download | linux-rpi-afd48513f0019a2048afed0d98904d3fec7e05dd.tar.gz linux-rpi-afd48513f0019a2048afed0d98904d3fec7e05dd.tar.bz2 linux-rpi-afd48513f0019a2048afed0d98904d3fec7e05dd.zip | |
btrfs: use monotonic time for transaction handling
The transaction times were changed to ktime_get_real_seconds to avoid
the y2038 overflow, but they still have a minor problem when they go
backwards or jump due to settimeofday() or leap seconds.
This changes the transaction handling to instead use ktime_get_seconds(),
which returns a CLOCK_MONOTONIC timestamp that has neither of those
problems.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 56c8bab0b816..ebe50dfb8947 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -241,7 +241,7 @@ loop: refcount_set(&cur_trans->use_count, 2); atomic_set(&cur_trans->pending_ordered, 0); cur_trans->flags = 0; - cur_trans->start_time = ktime_get_real_seconds(); + cur_trans->start_time = ktime_get_seconds(); memset(&cur_trans->delayed_refs, 0, sizeof(cur_trans->delayed_refs)); |