- readahead-debug-traces-showing-accessed-file-names.patch removed from -mm tree

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The patch titled

     readahead: debug traces showing accessed file names

has been removed from the -mm tree.  Its filename is

     readahead-debug-traces-showing-accessed-file-names.patch

This patch was probably dropped from -mm because
it has now been merged into a subsystem tree or
into Linus's tree, or because it was folded into
its parent patch in the -mm tree.

------------------------------------------------------
Subject: readahead: debug traces showing accessed file names
From: Wu Fengguang <wfg@xxxxxxxxxxxxxxxx>


Print file names on their first read-ahead, for tracing file access patterns.

Signed-off-by: Wu Fengguang <wfg@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

 mm/readahead.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+)

diff -puN mm/readahead.c~readahead-debug-traces-showing-accessed-file-names mm/readahead.c
--- 25/mm/readahead.c~readahead-debug-traces-showing-accessed-file-names	Wed May 24 16:51:02 2006
+++ 25-akpm/mm/readahead.c	Wed May 24 16:51:02 2006
@@ -1073,6 +1073,20 @@ static int ra_dispatch(struct file_ra_st
 		ra_account(ra, RA_EVENT_IO_CACHE_HIT, ra_size - actual);
 	ra_account(ra, RA_EVENT_READAHEAD, actual);
 
+	if (!ra->ra_index && filp->f_dentry->d_inode) {
+		char *fn;
+		static char path[1024];
+		unsigned long size;
+
+		size = (i_size_read(filp->f_dentry->d_inode)+1023)/1024;
+		fn = d_path(filp->f_dentry, filp->f_vfsmnt, path, 1000);
+		if (!IS_ERR(fn))
+			ddprintk("ino %lu is %s size %luK by %s(%d)\n",
+					filp->f_dentry->d_inode->i_ino,
+					fn, size,
+					current->comm, current->pid);
+	}
+
 	dprintk("readahead-%s(ino=%lu, index=%lu, ra=%lu+%lu-%lu) = %d\n",
 			ra_class_name[ra_class],
 			mapping->host->i_ino, ra->la_index,
_

Patches currently in -mm which might be from wfg@xxxxxxxxxxxxxxxx are

readahead-debug-traces-showing-accessed-file-names.patch
readahead-debug-traces-showing-read-patterns.patch

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