lkml.org 
[lkml]   [2005]   [Mar]   [4]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateThu, 3 Mar 2005 23:16:13 -0800
FromMatt Mackall <>
SubjectRe: [CHECKER] Do ext2, jfs and reiserfs respect mount -o sync/dirsync option?
On Thu, Mar 03, 2005 at 10:33:40PM -0800, Junfeng Yang wrote:
> 
> Hi,
> 
> FiSC (our file system checker) emits several warnings on ext2, jfs and
> reiserfs, complaining that diretories or files are lost while FiSC
> believes they should already be persistent on disk. (ext3 behaves
> correctly.)
> 
> All warnings boil down to a single cause:  when these file systems are
> mounted -o sync or dirsync, dirty blocks are still written out
> asynchronously.  It appears to me that these mount options don't have any
> effect on these file systems.  Is this the intended behavior?

I don't believe so. The sync option should definitionally make calls
to fsync for integrity redundant. This probably got broken ages ago
for ext2 in one of the many buffer/page cache refactorings.

-- 
Mathematics is the supreme nostalgia of our time.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:10    [W:0.577 / U:0.030 seconds]
©2003-2008 Jasper Spaans