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Old 12-12-2007, 12:25 AM
Bob Peterson
 
Default Move functions and make them static

Hi,

This patch doesn't change any code, it just moves it around.
Function gfs2_meta_inval is moved from meta_io.c to glops.c
and function gfs2_attach_bufdata is moved from meta_io,c
to trans.c. Both functions are then declared static.

Regards,

Bob Peterson
Red Hat GFS

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
--
.../fs/gfs2/glops.c | 23 +++++++-
.../fs/gfs2/meta_io.c | 59 +-------------------
.../fs/gfs2/meta_io.h | 6 +--
.../fs/gfs2/trans.c | 38 ++++++++++++-
4 files changed, 61 insertions(+), 65 deletions(-)

diff --git a/gfs2-2.6.git.patch8/fs/gfs2/glops.c b/gfs2-2.6.git.patch9/fs/gfs2/glops.c
index c663b7a..1c51758 100644
--- a/gfs2-2.6.git.patch8/fs/gfs2/glops.c
+++ b/gfs2-2.6.git.patch9/fs/gfs2/glops.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
@@ -114,6 +114,27 @@ static void meta_go_sync(struct gfs2_glock *gl)
}

/**
+ * gfs2_meta_inval - Invalidate all buffers associated with a glock
+ * @gl: the glock
+ *
+ */
+
+static void gfs2_meta_inval(struct gfs2_glock *gl)
+{
+ struct gfs2_sbd *sdp = gl->gl_sbd;
+ struct inode *aspace = gl->gl_aspace;
+ struct address_space *mapping = gl->gl_aspace->i_mapping;
+
+ gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
+
+ atomic_inc(&aspace->i_writecount);
+ truncate_inode_pages(mapping, 0);
+ atomic_dec(&aspace->i_writecount);
+
+ gfs2_assert_withdraw(sdp, !mapping->nrpages);
+}
+
+/**
* meta_go_inval - invalidate the metadata for this glock
* @gl: the glock
* @flags:
diff --git a/gfs2-2.6.git.patch8/fs/gfs2/meta_io.c b/gfs2-2.6.git.patch9/fs/gfs2/meta_io.c
index 9688785..9fdbfd3 100644
--- a/gfs2-2.6.git.patch8/fs/gfs2/meta_io.c
+++ b/gfs2-2.6.git.patch9/fs/gfs2/meta_io.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
@@ -88,27 +88,6 @@ void gfs2_aspace_put(struct inode *aspace)
}

/**
- * gfs2_meta_inval - Invalidate all buffers associated with a glock
- * @gl: the glock
- *
- */
-
-void gfs2_meta_inval(struct gfs2_glock *gl)
-{
- struct gfs2_sbd *sdp = gl->gl_sbd;
- struct inode *aspace = gl->gl_aspace;
- struct address_space *mapping = gl->gl_aspace->i_mapping;
-
- gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
-
- atomic_inc(&aspace->i_writecount);
- truncate_inode_pages(mapping, 0);
- atomic_dec(&aspace->i_writecount);
-
- gfs2_assert_withdraw(sdp, !mapping->nrpages);
-}
-
-/**
* gfs2_meta_sync - Sync all buffers associated with a glock
* @gl: The glock
*
@@ -262,42 +241,6 @@ int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh)
return 0;
}

-/**
- * gfs2_attach_bufdata - attach a struct gfs2_bufdata structure to a buffer
- * @gl: the glock the buffer belongs to
- * @bh: The buffer to be attached to
- * @meta: Flag to indicate whether its metadata or not
- */
-
-void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh,
- int meta)
-{
- struct gfs2_bufdata *bd;
-
- if (meta)
- lock_page(bh->b_page);
-
- if (bh->b_private) {
- if (meta)
- unlock_page(bh->b_page);
- return;
- }
-
- bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL),
- bd->bd_bh = bh;
- bd->bd_gl = gl;
-
- INIT_LIST_HEAD(&bd->bd_list_tr);
- if (meta)
- lops_init_le(&bd->bd_le, &gfs2_buf_lops);
- else
- lops_init_le(&bd->bd_le, &gfs2_databuf_lops);
- bh->b_private = bd;
-
- if (meta)
- unlock_page(bh->b_page);
-}
-
void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int meta)
{
struct gfs2_sbd *sdp = GFS2_SB(bh->b_page->mapping->host);
diff --git a/gfs2-2.6.git.patch8/fs/gfs2/meta_io.h b/gfs2-2.6.git.patch9/fs/gfs2/meta_io.h
index 73e3b1c..07820c7 100644
--- a/gfs2-2.6.git.patch8/fs/gfs2/meta_io.h
+++ b/gfs2-2.6.git.patch9/fs/gfs2/meta_io.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
@@ -40,7 +40,6 @@ static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp);
void gfs2_aspace_put(struct inode *aspace);

-void gfs2_meta_inval(struct gfs2_glock *gl);
void gfs2_meta_sync(struct gfs2_glock *gl);

struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
@@ -48,9 +47,6 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno,
int flags, struct buffer_head **bhp);
int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);

-void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh,
- int meta);
-
void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr,
int meta);

diff --git a/gfs2-2.6.git.patch8/fs/gfs2/trans.c b/gfs2-2.6.git.patch9/fs/gfs2/trans.c
index cebca7b..a725592 100644
--- a/gfs2-2.6.git.patch8/fs/gfs2/trans.c
+++ b/gfs2-2.6.git.patch9/fs/gfs2/trans.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
@@ -131,6 +131,42 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
}

/**
+ * gfs2_attach_bufdata - attach a struct gfs2_bufdata structure to a buffer
+ * @gl: the glock the buffer belongs to
+ * @bh: The buffer to be attached to
+ * @meta: Flag to indicate whether its metadata or not
+ */
+
+static void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh,
+ int meta)
+{
+ struct gfs2_bufdata *bd;
+
+ if (meta)
+ lock_page(bh->b_page);
+
+ if (bh->b_private) {
+ if (meta)
+ unlock_page(bh->b_page);
+ return;
+ }
+
+ bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL),
+ bd->bd_bh = bh;
+ bd->bd_gl = gl;
+
+ INIT_LIST_HEAD(&bd->bd_list_tr);
+ if (meta)
+ lops_init_le(&bd->bd_le, &gfs2_buf_lops);
+ else
+ lops_init_le(&bd->bd_le, &gfs2_databuf_lops);
+ bh->b_private = bd;
+
+ if (meta)
+ unlock_page(bh->b_page);
+}
+
+/**
* gfs2_trans_add_bh - Add a to-be-modified buffer to the current transaction
* @gl: the glock the buffer belongs to
* @bh: The buffer to add
 

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