From 29384d59a2503c5a3cc46ce12c95bedc8653986d Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Sun, 27 Mar 2011 11:22:22 +0200 Subject: open_issues/sync_but_still_unclean_filesystem: Link to Savannah bug report. --- open_issues/sync_but_still_unclean_filesystem.mdwn | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'open_issues') diff --git a/open_issues/sync_but_still_unclean_filesystem.mdwn b/open_issues/sync_but_still_unclean_filesystem.mdwn index f1fbb4e0..83c7951e 100644 --- a/open_issues/sync_but_still_unclean_filesystem.mdwn +++ b/open_issues/sync_but_still_unclean_filesystem.mdwn @@ -1,4 +1,4 @@ -[[!meta copyright="Copyright © 2010 Free Software Foundation, Inc."]] +[[!meta copyright="Copyright © 2010, 2011 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this @@ -10,9 +10,19 @@ License|/fdl]]."]]"""]] [[!tag open_issue_gnumach open_issue_hurd]] +Also filed as [[!GNU_Savannah_bug 29292]]. + \#hurd, 2010, end of May / beginning of June [runnign sync, but sill unclean filesystem at next boot] - guillem: when libpager syncs an object, it sends an m_o_lock_request and waits (if the synchronous argument was specified) for a m_o_lock_completed. But m_o_lock_completed only means that dirty pages have been sent to the translator, and this one still needs to write them to the backing storage - guillem: there's no problem if sync() returns before actually writting the changes to disk, but this also happens when shutting down the translator - guillem: in theory, locking mechanisms in libpager should prevent this from happening by keeping track of write operations, but this seems to fail in some situations + guillem: when libpager syncs an object, it sends an m_o_lock_request + and waits (if the synchronous argument was specified) for a + m_o_lock_completed. But m_o_lock_completed only means that dirty pages + have been sent to the translator, and this one still needs to write them + to the backing storage + guillem: there's no problem if sync() returns before actually + writting the changes to disk, but this also happens when shutting down + the translator + guillem: in theory, locking mechanisms in libpager should prevent + this from happening by keeping track of write operations, but this seems + to fail in some situations -- cgit v1.2.3