Re: [PATCH 15/13] sysfs: Protect sysfs_refresh_inode with inode mutex.

From: Eric W. Biederman
Date: Wed Nov 04 2009 - 15:51:30 EST

"Serge E. Hallyn" <serue@xxxxxxxxxx> writes:

> Quoting Eric W. Biederman (ebiederm@xxxxxxxxxxxx):
>> In general everything that writes to vfs inodes holds the
>> inode mutex, so hold the inode mutex over sysfs_refresh_inode.
>> The sysfs data structures don't need this but it looks like the
>> vfs might.
>> Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxxxxxxxx>
> Oh right so pls disregard my last reply to patch 9 :)

I also checked and nfs has the same basic structure and does take the
inode mutex on these paths, inside of nfs_refresh_inode which is
called from __nfs_revalidate_inode.

So it is definitely the consistent thing to do.

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