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authorJan Engelhardt <jengelh@medozas.de>2010-03-23 09:52:55 +1100
committerAlex Elder <aelder@sgi.com>2010-05-19 09:58:07 -0500
commite2a07812e93d4a51b1b1a6f15145a1634948db47 (patch)
tree2d13997492891384df9cbbd472296f2cb17f18d7 /fs/xfs/linux-2.6/xfs_super.c
parentfda168c24586ab8e01b0eb68028d78fe3e4fb71a (diff)
xfs: add blockdev name to kthreads
This allows to see in `ps` and similar tools which kthreads are allotted to which block device/filesystem, similar to what jbd2 does. As the process name is a fixed 16-char array, no extra space is needed in tasks. PID TTY STAT TIME COMMAND 2 ? S 0:00 [kthreadd] 197 ? S 0:00 \_ [jbd2/sda2-8] 198 ? S 0:00 \_ [ext4-dio-unwrit] 204 ? S 0:00 \_ [flush-8:0] 2647 ? S 0:00 \_ [xfs_mru_cache] 2648 ? S 0:00 \_ [xfslogd/0] 2649 ? S 0:00 \_ [xfsdatad/0] 2650 ? S 0:00 \_ [xfsconvertd/0] 2651 ? S 0:00 \_ [xfsbufd/ram0] 2652 ? S 0:00 \_ [xfsaild/ram0] 2653 ? S 0:00 \_ [xfssyncd/ram0] Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 29f1edca76de..e8ad6dd2c10c 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -789,18 +789,18 @@ xfs_open_devices(
* Setup xfs_mount buffer target pointers
*/
error = ENOMEM;
- mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0);
+ mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0, mp->m_fsname);
if (!mp->m_ddev_targp)
goto out_close_rtdev;
if (rtdev) {
- mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1);
+ mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1, mp->m_fsname);
if (!mp->m_rtdev_targp)
goto out_free_ddev_targ;
}
if (logdev && logdev != ddev) {
- mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1);
+ mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1, mp->m_fsname);
if (!mp->m_logdev_targp)
goto out_free_rtdev_targ;
} else {
@@ -902,7 +902,8 @@ xfsaild_start(
struct xfs_ail *ailp)
{
ailp->xa_target = 0;
- ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild");
+ ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild/%s",
+ ailp->xa_mount->m_fsname);
if (IS_ERR(ailp->xa_task))
return -PTR_ERR(ailp->xa_task);
return 0;