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Subject[PATCHSET v2 driver-core-next] kernfs: prepare for cgroup's kernfs conversion
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Hello,

This patchset makes various updates in preparation of cgroup's kernfs
conversion. Changes from the last take[L] are

* Refreshed on top of v3.14-rc1.

* 0010-kernfs-add-CONFIG_KERNFS.patch added.

This patchset contains the following 10 patches.

0001-kernfs-invoke-dir_ops-while-holding-active-ref-of-th.patch
0002-kernfs-rename-kernfs_dir_ops-to-kernfs_syscall_ops.patch
0003-kernfs-implement-kernfs_syscall_ops-remount_fs-and-s.patch
0004-kernfs-add-missing-kernfs_active-checks-in-directory.patch
0005-kernfs-allow-nodes-to-be-created-in-the-deactivated-.patch
0006-kernfs-implement-kernfs_ops-atomic_write_len.patch
0007-kernfs-add-kernfs_open_file-priv.patch
0008-kernfs-implement-kernfs_node_from_dentry-kernfs_root.patch
0009-kernfs-implement-kernfs_get_parent-kernfs_name-path-.patch
0010-kernfs-add-CONFIG_KERNFS.patch

0001-0003 update kernfs_dir_ops for active ref protection, add
additional syscall operations and rename the struct to
kernfs_syscall_ops.

0004-0005 implement an option to create new kernfs_nodes in
deactivated state so that multiple nodes can be made visible
atomically or removed without ever being visible to userland.

0006 implements kernfs_ops->atomic_write_len which will be used to
support cgroup cftype->max_write_len.

0007 adds kernfs_open_file->priv.

0008-0009 add various helpers and accessors.

0010 adds CONFIG_KERNFS so that kernfs can be selected independently
from sysfs.

This patchset is on top of

v3.14-rc1 38dbfb59d117
+ [1] [PATCHSET v5 driver-core-next] kernfs, sysfs, driver-core: implement synchronous self-removal

diffstat follows.

fs/Kconfig | 1
fs/Makefile | 3
fs/kernfs/Kconfig | 7 +
fs/kernfs/dir.c | 325 ++++++++++++++++++++++++++++++++++++++++++++-----
fs/kernfs/file.c | 49 ++++---
fs/kernfs/mount.c | 37 +++++
fs/sysfs/Kconfig | 1
fs/sysfs/dir.c | 44 +-----
fs/sysfs/mount.c | 2
include/linux/kernfs.h | 90 +++++++++++--
10 files changed, 460 insertions(+), 99 deletions(-)

Thanks!

--
tejun

[L] http://lkml.kernel.org/g/1390951971-15671-1-git-send-email-tj@kernel.org
[1] http://lkml.kernel.org/g/1391454185-32143-1-git-send-email-tj@kernel.org


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