From: Nikita Danilov <Nikita@Namesys.COM>
To: Linux Kernel Mailing List <Linux-Kernel@Vger.Kernel.ORG>
Cc: Alexander Viro <viro@math.psu.edu>, Andrew Morton <AKPM@Digeo.COM>
Subject: locking rules for ->dirty_inode()
Date: Fri, 20 Sep 2002 19:00:16 +0400 [thread overview]
Message-ID: <15755.14336.739277.700462@laputa.namesys.com> (raw)
Hello,
Documentation/filesystems/Locking states that all super operations may
block, but __set_page_dirty_buffers() calls
__mark_inode_dirty()->s_op->dirty_inode()
under mapping->private_lock spin lock. This seems strange, because file
systems' ->dirty_inode() assume that they are allowed to block. For
example, ext3_dirty_inode() allocates memory in
ext3_journal_start()->journal_start()->new_handle()->...
Nikita.
next reply other threads:[~2002-09-20 14:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-20 15:00 Nikita Danilov [this message]
2002-09-20 15:52 ` Andrew Morton
2002-09-20 16:32 ` Nikita Danilov
2002-09-20 16:47 ` Andrew Morton
2002-09-20 17:32 ` Nikita Danilov
2002-09-20 18:21 ` Hans Reiser
2002-09-20 22:41 ` Andrew Morton
2002-09-23 16:32 ` Nikita Danilov
2002-09-23 16:42 ` Andrew Morton
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