btrfs: replace get_seconds with new 64bit time API

The get_seconds() function is deprecated as it truncates the timestamp
to 32 bits. Change it to or ktime_get_real_seconds().

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 118346a..e671a1f 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -342,8 +342,8 @@ struct btrfs_path {
                                        sizeof(struct btrfs_item))
 struct btrfs_dev_replace {
        u64 replace_state;      /* see #define above */
-       u64 time_started;       /* seconds since 1-Jan-1970 */
-       u64 time_stopped;       /* seconds since 1-Jan-1970 */
+       time64_t time_started;  /* seconds since 1-Jan-1970 */
+       time64_t time_stopped;  /* seconds since 1-Jan-1970 */
        atomic64_t num_write_errors;
        atomic64_t num_uncorrectable_read_errors;
 

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index e2ba041..1b30c38 100644 (file)
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -465,7 +465,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
         * go to the tgtdev as well (refer to btrfs_map_block()).
         */
        dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED;
-       dev_replace->time_started = get_seconds();
+       dev_replace->time_started = ktime_get_real_seconds();
        dev_replace->cursor_left = 0;
        dev_replace->committed_cursor_left = 0;
        dev_replace->cursor_left_last_write_of_item = 0;
@@ -618,7 +618,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
                          : BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED;
        dev_replace->tgtdev = NULL;
        dev_replace->srcdev = NULL;
-       dev_replace->time_stopped = get_seconds();
+       dev_replace->time_stopped = ktime_get_real_seconds();
        dev_replace->item_needs_writeback = 1;
 
        /* replace old device with new one in mapping tree */
@@ -807,7 +807,7 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
                break;
        }
        dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED;
-       dev_replace->time_stopped = get_seconds();
+       dev_replace->time_stopped = ktime_get_real_seconds();
        dev_replace->item_needs_writeback = 1;
        btrfs_dev_replace_write_unlock(dev_replace);
        btrfs_scrub_cancel(fs_info);
@@ -848,7 +848,7 @@ void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info)
        case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED:
                dev_replace->replace_state =
                        BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED;
-               dev_replace->time_stopped = get_seconds();
+               dev_replace->time_stopped = ktime_get_real_seconds();
                dev_replace->item_needs_writeback = 1;
                btrfs_info(fs_info, "suspending dev_replace for unmount");
                break;

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 205092d..f3224e2 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1803,7 +1803,7 @@ static int transaction_kthread(void *arg)
        struct btrfs_trans_handle *trans;
        struct btrfs_transaction *cur;
        u64 transid;
-       unsigned long now;
+       time64_t now;
        unsigned long delay;
        bool cannot_commit;
 
@@ -1819,7 +1819,7 @@ static int transaction_kthread(void *arg)
                        goto sleep;
                }
 
-               now = get_seconds();
+               now = ktime_get_real_seconds();
                if (cur->state < TRANS_STATE_BLOCKED &&
                    !test_bit(BTRFS_FS_NEED_ASYNC_COMMIT, &fs_info->flags) &&
                    (now < cur->start_time ||

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index ff5f6c7..56c8bab 100644 (file)
--- 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 = get_seconds();
+       cur_trans->start_time = ktime_get_real_seconds();
 
        memset(&cur_trans->delayed_refs, 0, sizeof(cur_trans->delayed_refs));
 

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 9443948..4cbb1b5 100644 (file)
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -48,7 +48,7 @@ struct btrfs_transaction {
        int aborted;
        struct list_head list;
        struct extent_io_tree dirty_pages;
-       unsigned long start_time;
+       time64_t start_time;
        wait_queue_head_t writer_wait;
        wait_queue_head_t commit_wait;
        wait_queue_head_t pending_wait;