From: Oren Laadan <orenl@librato.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@osdl.org>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org, Serge Hallyn <serue@us.ibm.com>,
Dave Hansen <dave@linux.vnet.ibm.com>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Pavel Emelyanov <xemul@openvz.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Oren Laadan <orenl@librato.com>,
Oren Laadan <orenl@cs.columbia.edu>
Subject: [RFC v17][PATCH 10/60] c/r: make file_pos_read/write() public
Date: Wed, 22 Jul 2009 05:59:32 -0400 [thread overview]
Message-ID: <1248256822-23416-11-git-send-email-orenl@librato.com> (raw)
In-Reply-To: <1248256822-23416-1-git-send-email-orenl@librato.com>
These two are used in the next patch when calling vfs_read/write()
Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
---
fs/read_write.c | 10 ----------
include/linux/fs.h | 10 ++++++++++
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/fs/read_write.c b/fs/read_write.c
index 6c8c55d..d331975 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -359,16 +359,6 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_
EXPORT_SYMBOL(vfs_write);
-static inline loff_t file_pos_read(struct file *file)
-{
- return file->f_pos;
-}
-
-static inline void file_pos_write(struct file *file, loff_t pos)
-{
- file->f_pos = pos;
-}
-
SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
{
struct file *file;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0872372..d88d4fc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1548,6 +1548,16 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
struct iovec *fast_pointer,
struct iovec **ret_pointer);
+static inline loff_t file_pos_read(struct file *file)
+{
+ return file->f_pos;
+}
+
+static inline void file_pos_write(struct file *file, loff_t pos)
+{
+ file->f_pos = pos;
+}
+
extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
--
1.6.0.4
next prev parent reply other threads:[~2009-07-22 9:59 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-22 9:59 [RFC v17][PATCH 00/60] Kernel based checkpoint/restart Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 01/60] c/r: extend arch_setup_additional_pages() Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 02/60] x86: ptrace debugreg checks rewrite Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 03/60] c/r: break out new_user_ns() Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 04/60] c/r: split core function out of some set*{u,g}id functions Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 05/60] cgroup freezer: Fix buggy resume test for tasks frozen with cgroup freezer Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 06/60] cgroup freezer: Update stale locking comments Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 07/60] cgroup freezer: Add CHECKPOINTING state to safeguard container checkpoint Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 08/60] cgroup freezer: interface to freeze a cgroup from within the kernel Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 09/60] Namespaces submenu Oren Laadan
2009-07-22 9:59 ` Oren Laadan [this message]
2009-07-23 2:33 ` [RFC v17][PATCH 10/60] c/r: make file_pos_read/write() public KAMEZAWA Hiroyuki
2009-07-22 9:59 ` [RFC v17][PATCH 11/60] pids 1/7: Factor out code to allocate pidmap page Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 12/60] pids 2/7: Have alloc_pidmap() return actual error code Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 13/60] pids 3/7: Add target_pid parameter to alloc_pidmap() Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 14/60] pids 4/7: Add target_pids parameter to alloc_pid() Oren Laadan
[not found] ` <1248256822-23416-15-git-send-email-orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-08-03 18:22 ` Serge E. Hallyn
2009-07-22 9:59 ` [RFC v17][PATCH 16/60] pids 6/7: Define do_fork_with_pids() Oren Laadan
2009-08-03 18:26 ` Serge E. Hallyn
2009-08-04 8:37 ` Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 17/60] pids 7/7: Define clone_with_pids syscall Oren Laadan
[not found] ` <1248256822-23416-18-git-send-email-orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-07-29 0:44 ` Sukadev Bhattiprolu
2009-07-22 9:59 ` [RFC v17][PATCH 18/60] c/r: create syscalls: sys_checkpoint, sys_restart Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 19/60] c/r: documentation Oren Laadan
[not found] ` <1248256822-23416-20-git-send-email-orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-07-23 14:24 ` Serge E. Hallyn
2009-07-23 15:24 ` Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 20/60] c/r: basic infrastructure for checkpoint/restart Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 21/60] c/r: x86_32 support " Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 22/60] c/r: external checkpoint of a task other than ourself Oren Laadan
2009-07-22 17:52 ` Serge E. Hallyn
2009-07-23 4:32 ` Oren Laadan
[not found] ` <4A67E7D7.9060800-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-07-23 13:12 ` Serge E. Hallyn
2009-07-23 14:14 ` Oren Laadan
2009-07-23 14:54 ` Serge E. Hallyn
2009-07-23 14:47 ` Serge E. Hallyn
2009-07-23 15:33 ` Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 23/60] c/r: export functionality used in next patch for restart-blocks Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 24/60] c/r: restart-blocks Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 25/60] c/r: checkpoint multiple processes Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 26/60] c/r: restart " Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 27/60] c/r: introduce PF_RESTARTING, and skip notification on exit Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 29/60] c/r: Save and restore the [compat_]robust_list member of the task struct Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 30/60] c/r: infrastructure for shared objects Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 31/60] c/r: detect resource leaks for whole-container checkpoint Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 32/60] c/r: introduce '->checkpoint()' method in 'struct file_operations' Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 33/60] c/r: dump open file descriptors Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 34/60] c/r: restore " Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 35/60] c/r: add generic '->checkpoint' f_op to ext fses Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 36/60] c/r: add generic '->checkpoint()' f_op to simple devices Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 37/60] c/r: introduce method '->checkpoint()' in struct vm_operations_struct Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 38/60] c/r: dump memory address space (private memory) Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 39/60] c/r: restore " Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 40/60] c/r: export shmem_getpage() to support shared memory Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 42/60] c/r: restore anonymous- and file-mapped- " Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 43/60] splice: export pipe/file-to-pipe/file functionality Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 45/60] c/r: make ckpt_may_checkpoint_task() check each namespace individually Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 46/60] c/r: support for UTS namespace Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 47/60] deferqueue: generic queue to defer work Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 48/60] c/r (ipc): allow allocation of a desired ipc identifier Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 49/60] c/r: save and restore sysvipc namespace basics Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 50/60] c/r: support share-memory sysv-ipc Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 51/60] c/r: support message-queues sysv-ipc Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 52/60] c/r: support semaphore sysv-ipc Oren Laadan
[not found] ` <1248256822-23416-53-git-send-email-orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-07-22 17:25 ` Cyrill Gorcunov
2009-07-23 3:46 ` Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 53/60] c/r: (s390): expose a constant for the number of words (CRs) Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 55/60] c/r: define s390-specific checkpoint-restart code Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 56/60] c/r: clone_with_pids: define the s390 syscall Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 57/60] c/r: capabilities: define checkpoint and restore fns Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 58/60] c/r: checkpoint and restore task credentials Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 59/60] c/r: restore file->f_cred Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 60/60] c/r: checkpoint and restore (shared) task's sighand_struct Oren Laadan
[not found] ` <1248256822-23416-1-git-send-email-orenl-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-07-22 9:59 ` [RFC v17][PATCH 15/60] pids 5/7: Add target_pids parameter to copy_process() Oren Laadan
2009-07-22 9:59 ` [RFC v17][PATCH 28/60] c/r: support for zombie processes Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 41/60] c/r: dump anonymous- and file-mapped- shared memory Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 44/60] c/r: support for open pipes Oren Laadan
2009-07-22 10:00 ` [RFC v17][PATCH 54/60] c/r: add CKPT_COPY() macro Oren Laadan
2009-07-24 19:09 ` [RFC v17][PATCH 00/60] Kernel based checkpoint/restart Serge E. Hallyn
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