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authorAl Viro <viro@zeniv.linux.org.uk>2015-01-11 01:53:21 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2015-01-26 07:17:28 +0300
commit59eda0e07f43c950d31756213b607af673e551f0 (patch)
treef40f7b67133576c36a65a4cba9aca5df68d00f34 /include/linux/fs_pin.h
parentfdab684d7202774bfd8762d4a656a553b787c8ec (diff)
downloadlinux-59eda0e07f43c950d31756213b607af673e551f0.tar.xz
new fs_pin killing logics
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/fs_pin.h')
-rw-r--r--include/linux/fs_pin.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h
index 2be38d1464ae..9dc4e0384bfb 100644
--- a/include/linux/fs_pin.h
+++ b/include/linux/fs_pin.h
@@ -1,11 +1,22 @@
-#include <linux/fs.h>
+#include <linux/wait.h>
struct fs_pin {
+ wait_queue_head_t wait;
+ int done;
struct hlist_node s_list;
struct hlist_node m_list;
void (*kill)(struct fs_pin *);
};
+struct vfsmount;
+
+static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
+{
+ init_waitqueue_head(&p->wait);
+ p->kill = kill;
+}
+
void pin_remove(struct fs_pin *);
void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *);
void pin_insert(struct fs_pin *, struct vfsmount *);
+void pin_kill(struct fs_pin *);