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-rw-r--r--fs/gfs2/glock.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index c0262fa..2bda191 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -180,6 +180,13 @@ static inline int gfs2_glock_is_held_shrd(struct gfs2_glock *gl)
return gl->gl_state == LM_ST_SHARED;
}
+static inline struct address_space *gfs2_glock2aspace(struct gfs2_glock *gl)
+{
+ if (gl->gl_ops->go_flags & GLOF_ASPACE)
+ return (struct address_space *)(gl + 1);
+ return NULL;
+}
+
int gfs2_glock_get(struct gfs2_sbd *sdp,
u64 number, const struct gfs2_glock_operations *glops,
int create, struct gfs2_glock **glp);
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