From: alex <alex>
Date: Mon, 28 Jul 2003 12:18:00 +0000 (+0000)
Subject: - simple optimization for EXT3:
X-Git-Tag: v1_7_0_51~2^14~8
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=42ffc3aceb62a73d1d8c3813c71b206113356c58;p=fs%2Flustre-release.git

- simple optimization for EXT3:
  ext3_write_super() doesn't need to start commit as kupdated wants. this
  improves things significantly in some cases
---

diff --git a/lustre/kernel_patches/patches/ext3-no-write-super.patch b/lustre/kernel_patches/patches/ext3-no-write-super.patch
new file mode 100644
index 0000000..b096276
--- /dev/null
+++ b/lustre/kernel_patches/patches/ext3-no-write-super.patch
@@ -0,0 +1,16 @@
+
+--- linux-2.4.18/fs/ext3/super.c~ext3-no-write-super	Mon Jul 28 14:13:05 2003
++++ linux-2.4.18-alexey/fs/ext3/super.c	Mon Jul 28 16:14:11 2003
+@@ -1818,7 +1818,10 @@ void ext3_write_super (struct super_bloc
+ 	if (down_trylock(&sb->s_lock) == 0)
+ 		BUG();
+ 	sb->s_dirt = 0;
++#if 0
++	/* we really don't need this, jbd makes periodical commits by itself */
+ 	log_start_commit(EXT3_SB(sb)->s_journal, NULL);
++#endif
+ }
+ 
+ static int ext3_sync_fs(struct super_block *sb)
+
+_
diff --git a/lustre/kernel_patches/pc/ext3-no-write-super.pc b/lustre/kernel_patches/pc/ext3-no-write-super.pc
new file mode 100644
index 0000000..08795de
--- /dev/null
+++ b/lustre/kernel_patches/pc/ext3-no-write-super.pc
@@ -0,0 +1 @@
+fs/ext3/super.c