ext4: balloc: use task_pid_nr() helper

Use task_pid_nr() function instead of current->pid.
There should be no functionality change in this patch.

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/4b58403e15e9c8deb34a1b93deb3fc9cd153ab84.1589086800.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index a32e5f7..1ba46d8 100644 (file)
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -903,10 +903,11 @@ ext4_fsblk_t ext4_inode_to_goal_block(struct inode *inode)
                return bg_start;
 
        if (bg_start + EXT4_BLOCKS_PER_GROUP(inode->i_sb) <= last_block)
-               colour = (current->pid % 16) *
+               colour = (task_pid_nr(current) % 16) *
                        (EXT4_BLOCKS_PER_GROUP(inode->i_sb) / 16);
        else
-               colour = (current->pid % 16) * ((last_block - bg_start) / 16);
+               colour = (task_pid_nr(current) % 16) *
+                       ((last_block - bg_start) / 16);
        return bg_start + colour;
 }