xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sysfs: reference sysfs_dirent from sysfs inodes

Browse Source 
The sysfs_dirent serves as both an inode and a directory entry
for sysfs.  To prevent the sysfs inode numbers from being freed
prematurely hold a reference to sysfs_dirent from the sysfs inode.

[akpm@linux-foundation.org: add comment]
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric W. Biederman
2009-02-11 13:20:23 -08:00
committed by Greg Kroah-Hartman
parent 425cb02912
commit 04256b4a8f
3 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
fs/sysfs/mount.c
View File

@@ -29,6 +29,7 @@ struct kmem_cache *sysfs_dir_cachep;
static const struct super_operations sysfs_ops = {
.statfs = simple_statfs,
.drop_inode = generic_delete_inode,
.delete_inode = sysfs_delete_inode,
};
struct sysfs_dirent sysfs_root = {