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exofs: Prints on mount and unmout

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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>
This commit is contained in:
Boaz Harrosh 2009-09-03 20:38:02 +03:00
parent 9cfdc7aa9f
commit 19fe294f2e
1 changed files with 11 additions and 0 deletions
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11
fs/exofs/super.c
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@ -257,6 +257,15 @@ static void exofs_write_super(struct super_block *sb)
sb->s_dirt = 0; 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 * This function is called when the vfs is freeing the superblock. We just
* need to free our own part. * need to free our own part.
@ -279,6 +288,7 @@ static void exofs_put_super(struct super_block *sb)
msecs_to_jiffies(100)); msecs_to_jiffies(100));
} }
_exofs_print_device("Unmounting", NULL, sbi->s_dev, sbi->s_pid);
osduld_put_device(sbi->s_dev); osduld_put_device(sbi->s_dev);
kfree(sb->s_fs_info); kfree(sb->s_fs_info);
sb->s_fs_info = NULL; 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; goto free_sbi;
} }
_exofs_print_device("Mounting", opts->dev_name, sbi->s_dev, sbi->s_pid);
ret = 0; ret = 0;
out: out:
if (or) if (or)