Fix o_valid and o_size for truncate through osc/ost/filterobd (on HEAD).

[fs/lustre-release.git] / lustre / include / linux / lustre_lib.h

diff --git a/lustre/include/linux/lustre_lib.h b/lustre/include/linux/lustre_lib.h
index fcf3998..8f5c5ac 100644 (file)
--- a/lustre/include/linux/lustre_lib.h
+++ b/lustre/include/linux/lustre_lib.h
@@ -31,31 +31,80 @@
 # include <string.h>
 #endif
 
+#include <linux/portals_lib.h>
+#include <asm/semaphore.h>
+#include <linux/lustre_idl.h>
+
 #ifdef __KERNEL__
+/* l_lock.c */
+struct lustre_lock { 
+        int l_depth;
+        struct task_struct *l_owner;
+        struct semaphore l_sem;
+        spinlock_t l_spin;
+};
+
+void l_lock_init(struct lustre_lock *);
+void l_lock(struct lustre_lock *);
+void l_unlock(struct lustre_lock *);
+
+
 /* page.c */
 inline void lustre_put_page(struct page *page);
 struct page *lustre_get_page_read(struct inode *dir, unsigned long index);
 struct page *lustre_get_page_write(struct inode *dir, unsigned long index);
 int lustre_commit_page(struct page *page, unsigned from, unsigned to);
+void set_page_clean(struct page *page);
+void set_page_dirty(struct page *page);
 
 /* simple.c */
 struct obd_run_ctxt;
 void push_ctxt(struct obd_run_ctxt *save, struct obd_run_ctxt *new);
 void pop_ctxt(struct obd_run_ctxt *saved);
-int simple_mkdir(struct dentry *dir, char *name, int mode);
+#ifdef CTXT_DEBUG
+#define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
+#else
+#define OBD_SET_CTXT_MAGIC(magic) do {} while(0)
+#endif
+struct dentry *simple_mkdir(struct dentry *dir, char *name, int mode);
 int lustre_fread(struct file *file, char *str, int len, loff_t *off);
 int lustre_fwrite(struct file *file, const char *str, int len, loff_t *off);
 int lustre_fsync(struct file *file);
 
+static inline void l_dput(struct dentry *de)
+{
+        if (!de || IS_ERR(de))
+                return;
+        shrink_dcache_parent(de);
+        dput(de);
+}
+
 static inline void ll_sleep(int t)
 {
         set_current_state(TASK_INTERRUPTIBLE);
         schedule_timeout(t * HZ);
         set_current_state(TASK_RUNNING);
 }
-
 #endif
 
+/* FIXME: This needs to validate pointers and cookies */
+static inline void *lustre_handle2object(struct lustre_handle *handle)
+{
+        if (handle) 
+                return (void *)(unsigned long)(handle->addr);
+        return NULL; 
+}
+
+static inline void ldlm_object2handle(void *object, struct lustre_handle *handle)
+{
+        handle->addr = (__u64)(unsigned long)object;
+}
+
+struct obd_statfs;
+struct statfs;
+void obd_statfs_pack(struct obd_statfs *osfs, struct statfs *sfs);
+void obd_statfs_unpack(struct obd_statfs *osfs, struct statfs *sfs);
+
 #include <linux/portals_lib.h>
 
 #endif /* _LUSTRE_LIB_H */