diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/fs_struct.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/fs_struct.h')
| -rw-r--r-- | kernel/include/linux/fs_struct.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/include/linux/fs_struct.h b/kernel/include/linux/fs_struct.h new file mode 100644 index 000000000..0efc3e628 --- /dev/null +++ b/kernel/include/linux/fs_struct.h @@ -0,0 +1,44 @@ +#ifndef _LINUX_FS_STRUCT_H +#define _LINUX_FS_STRUCT_H + +#include <linux/path.h> +#include <linux/spinlock.h> +#include <linux/seqlock.h> + +struct fs_struct { + int users; + spinlock_t lock; + seqcount_t seq; + int umask; + int in_exec; + struct path root, pwd; +}; + +extern struct kmem_cache *fs_cachep; + +extern void exit_fs(struct task_struct *); +extern void set_fs_root(struct fs_struct *, const struct path *); +extern void set_fs_pwd(struct fs_struct *, const struct path *); +extern struct fs_struct *copy_fs_struct(struct fs_struct *); +extern void free_fs_struct(struct fs_struct *); +extern int unshare_fs_struct(void); + +static inline void get_fs_root(struct fs_struct *fs, struct path *root) +{ + spin_lock(&fs->lock); + *root = fs->root; + path_get(root); + spin_unlock(&fs->lock); +} + +static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd) +{ + spin_lock(&fs->lock); + *pwd = fs->pwd; + path_get(pwd); + spin_unlock(&fs->lock); +} + +extern bool current_chrooted(void); + +#endif /* _LINUX_FS_STRUCT_H */ |