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authorTejun Heo <tj@kernel.org>2013-11-28 20:54:41 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-11-30 03:10:48 +0100
commitbc755553df9ab33f389c1a0a8bd0b4f4646e80ef (patch)
treea77c1a97948ebaa6f9a31e9b580ccc0fb254bead /fs/kernfs/kernfs-internal.h
parentsysfs, kernfs: implement kernfs_create/destroy_root() (diff)
downloadlinux-bc755553df9ab33f389c1a0a8bd0b4f4646e80ef.tar.xz
linux-bc755553df9ab33f389c1a0a8bd0b4f4646e80ef.zip
sysfs, kernfs: make inode number ida per kernfs_root
kernfs is being updated to allow multiple sysfs_dirent hierarchies so that it can also be used by other users. Currently, inode number is allocated using a global ida, sysfs_ino_ida; however, inos for different hierarchies should be handled separately. This patch makes ino allocation per kernfs_root. sysfs_ino_ida is replaced by kernfs_root->ino_ida and sysfs_new_dirent() is updated to take @root and allocate ino from it. ida_simple_get/remove() are used instead of sysfs_ino_lock and sysfs_alloc/free_ino(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/kernfs/kernfs-internal.h')
-rw-r--r--fs/kernfs/kernfs-internal.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 7dfe06278350..466943d576f1 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -160,7 +160,8 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt);
int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd,
struct sysfs_dirent *parent_sd);
void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt);
-struct sysfs_dirent *sysfs_new_dirent(const char *name, umode_t mode, int type);
+struct sysfs_dirent *sysfs_new_dirent(struct kernfs_root *root,
+ const char *name, umode_t mode, int type);
/*
* file.c