From: Miklos Szeredi <miklos@szeredi.hu>
Date: Tue, 14 Apr 2009 17:48:37 +0000 (+0200)
Subject: splice: remove i_mutex locking in splice_from_pipe()
X-Git-Tag: v2.6.27.24~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbda7d1d8a375ec42a6f7602263ec854d9fd7245;p=pandora-kernel.git

splice: remove i_mutex locking in splice_from_pipe()

commit 2933970b960223076d6affcf7a77e2bc546b8102 upstream.

splice_from_pipe() is only called from two places:

  - generic_splice_sendpage()
  - splice_write_null()

Neither of these require i_mutex to be taken on the destination inode.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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