[GFS2] Remove unused code from glock layer

Remove the unused sync feature from glocks. This is currently done by
calling the required functions to sync pages/blocks directly so this
code isn't needed.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 709e6e0..c3dde85 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1296,9 +1296,6 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
        struct gfs2_glock *gl = gh->gh_gl;
        const struct gfs2_glock_operations *glops = gl->gl_ops;
 
-       if (gh->gh_flags & GL_SYNC)
-               set_bit(GLF_SYNC, &gl->gl_flags);
-
        if (gh->gh_flags & GL_NOCACHE)
                handle_callback(gl, LM_ST_UNLOCKED);
 
@@ -1313,11 +1310,6 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
                if (glops->go_unlock)
                        glops->go_unlock(gh);
 
-               if (test_bit(GLF_SYNC, &gl->gl_flags)) {
-                       if (glops->go_sync)
-                               glops->go_sync(gl, DIO_METADATA | DIO_DATA);
-               }
-
                gl->gl_stamp = jiffies;
 
                spin_lock(&gl->gl_spin);

diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 12bdbfe..75fad63 100644 (file)
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -24,7 +24,6 @@
 #define GL_SKIP                        0x00000100
 #define GL_ATIME               0x00000200
 #define GL_NOCACHE             0x00000400
-#define GL_SYNC                        0x00000800
 #define GL_NOCANCEL            0x00001000
 #define GL_AOP                 0x00004000
 #define GL_DUMP                        0x00008000

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 0c92c52..1a30fa9 100644 (file)
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -137,7 +137,6 @@ static void meta_go_sync(struct gfs2_glock *gl, int flags)
                        gfs2_ail_empty_gl(gl);
        }
 
-       clear_bit(GLF_SYNC, &gl->gl_flags);
 }
 
 /**
@@ -236,7 +235,6 @@ static void inode_go_sync(struct gfs2_glock *gl, int flags)
                        gfs2_ail_empty_gl(gl);
        }
 
-       clear_bit(GLF_SYNC, &gl->gl_flags);
 }
 
 /**

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 38098ac..362c242 100644 (file)
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -167,7 +167,6 @@ enum {
        GLF_LOCK                = 1,
        GLF_STICKY              = 2,
        GLF_PREFETCH            = 3,
-       GLF_SYNC                = 4,
        GLF_DIRTY               = 5,
        GLF_SKIP_WAITERS2       = 6,
        GLF_GREEDY              = 7,