[RFC][PATCH 11/20] ioprio: Update ioprio to handle pspaces.

Signed-off-by: Eric W. Biederman <[email protected]>


---

 fs/ioprio.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

42c8b99a7c1417f8fc587f86c218a0be10ec27d0
diff --git a/fs/ioprio.c b/fs/ioprio.c
index ca77008..008301b 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -24,6 +24,7 @@
 #include <linux/blkdev.h>
 #include <linux/capability.h>
 #include <linux/syscalls.h>
+#include <linux/pspace.h>
 
 static int set_task_ioprio(struct task_struct *task, int ioprio)
 {
@@ -78,18 +79,18 @@ asmlinkage long sys_ioprio_set(int which
 			if (!who)
 				p = current;
 			else
-				p = find_task_by_pid(who);
+				p = find_task_by_pid(current->pspace, who);
 			if (p)
 				ret = set_task_ioprio(p, ioprio);
 			break;
 		case IOPRIO_WHO_PGRP:
 			if (!who)
 				who = process_group(current);
-			do_each_task_pid(who, PIDTYPE_PGID, p) {
+			do_each_task_pid(current->pspace, who, PIDTYPE_PGID, p) {
 				ret = set_task_ioprio(p, ioprio);
 				if (ret)
 					break;
-			} while_each_task_pid(who, PIDTYPE_PGID, p);
+			} while_each_task_pid(current->pspace, who, PIDTYPE_PGID, p);
 			break;
 		case IOPRIO_WHO_USER:
 			if (!who)
@@ -131,19 +132,19 @@ asmlinkage long sys_ioprio_get(int which
 			if (!who)
 				p = current;
 			else
-				p = find_task_by_pid(who);
+				p = find_task_by_pid(current->pspace, who);
 			if (p)
 				ret = p->ioprio;
 			break;
 		case IOPRIO_WHO_PGRP:
 			if (!who)
 				who = process_group(current);
-			do_each_task_pid(who, PIDTYPE_PGID, p) {
+			do_each_task_pid(current->pspace, who, PIDTYPE_PGID, p) {
 				if (ret == -ESRCH)
 					ret = p->ioprio;
 				else
 					ret = ioprio_best(ret, p->ioprio);
-			} while_each_task_pid(who, PIDTYPE_PGID, p);
+			} while_each_task_pid(current->pspace, who, PIDTYPE_PGID, p);
 			break;
 		case IOPRIO_WHO_USER:
 			if (!who)
-- 
1.1.5.g3480

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---

• Follow-Ups:
  • [RFC][PATCH 12/20] fcntl: Update fcntl to work with pspaces.
    • From: [email protected] (Eric W. Biederman)

• References:
  • [RFC][PATCH 0/20] Multiple instances of the process id namespace
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 01/20] pid: Intoduce the concept of a wid (wait id)
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 02/20] pspace: The parent process id of pid 1 is always 0.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 03/20] pid: Introduce a generic helper to test for init.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 04/20] pspace: Allow multiple instaces of the process id namespace
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 05/20] sched: Fixup the scheduler syscalls to deal with pspaces.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 06/20] cad_pid: Fixup the cad_pid users to assume it is in the initial process id namespace.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 07/20] tty: Update the tty layer to work with pspaces.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 08/20] vt: Update the virtual console to handle pspaces.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 09/20] ptrace: Update ptrace handle pspaces.
    • From: [email protected] (Eric W. Biederman)
  • [RFC][PATCH 10/20] capabilities: Update the capabilities code to handle pspaces.
    • From: [email protected] (Eric W. Biederman)

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