From 19fe294f2eaee33574ac1fdcf3cc26880de820ea Mon Sep 17 00:00:00 2001
From: Boaz Harrosh <bharrosh@panasas.com>
Date: Thu, 3 Sep 2009 20:38:02 +0300
Subject: [PATCH] exofs: Prints on mount and unmout
It is important to print in the logs when a filesystem was
mounted and eventually unmounted.
Print the osd-device's osd_name and pid the FS was
mounted/unmounted on.
TODO: How to also print the namespace path the filesystem was
mounted on?
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
---
fs/exofs/super.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 9f500dec3b59..920f0165edf3 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -257,6 +257,15 @@ static void exofs_write_super(struct super_block *sb)
sb->s_dirt = 0;
}
+static void _exofs_print_device(const char *msg, const char *dev_path,
+ struct osd_dev *od, u64 pid)
+{
+ const struct osd_dev_info *odi = osduld_device_info(od);
+
+ printk(KERN_NOTICE "exofs: %s %s osd_name-%s pid-0x%llx\n",
+ msg, dev_path ?: "", odi->osdname, _LLU(pid));
+}
+
/*
* This function is called when the vfs is freeing the superblock. We just
* need to free our own part.
@@ -279,6 +288,7 @@ static void exofs_put_super(struct super_block *sb)
msecs_to_jiffies(100));
}
+ _exofs_print_device("Unmounting", NULL, sbi->s_dev, sbi->s_pid);
osduld_put_device(sbi->s_dev);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
@@ -395,6 +405,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
goto free_sbi;
}
+ _exofs_print_device("Mounting", opts->dev_name, sbi->s_dev, sbi->s_pid);
ret = 0;
out:
if (or)
--
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