tree f935333e6d233ba0f119d4642b15063ba544fddf
parent 6967614761fd305b3414d9485d89dc2e0a407410
author Mark Fasheh <mark.fasheh@oracle.com> 1184834821 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1184864681 -0700

Document ->page_mkwrite() locking

There seems to be very little documentation about this callback in general.
The locking in particular is a bit tricky, so it's worth having this in
writing.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>