On 2011.07.23 at 22:38 +0200, Markus Trippelsdorf wrote:
> On 2011.07.23 at 16:26 -0400, Josef Bacik wrote:
> > On 07/23/2011 02:09 PM, Markus Trippelsdorf wrote:
> > > On 2011.06.29 at 14:05 -0400, Josef Bacik wrote:
> > >> Btrfs needs to be able to control how filemap_write_and_wait_range() is called
> > >> in fsync to make it less of a painful operation, so push down taking i_mutex and
> > >> the calling of filemap_write_and_wait() down into the ->fsync() handlers. Some
> > >> file systems can drop taking the i_mutex altogether it seems, like ext3 and
> > >> ocfs2. For correctness sake I just pushed everything down in all cases to make
> > >> sure that we keep the current behavior the same for everybody, and then each
> > >> individual fs maintainer can make up their mind about what to do from there.
> > >
> > > At least the xfs part of this patch is broken.
> > > Running the latest git-kernel bogofilter doesn't work anymore on my xfs
> > > partition. When I run "bogoutil -d wordlist.db" to dump the contents of
> > > the database, it produces no output at all.
> > >
> >
> > Already fixed and sent a patch out earlier this week. Thanks,
>
> No. This happens with your patch already applied. See my other reply.
The following patch fixes the problem for me:
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index cca00f4..2e23e3d 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -881,11 +881,14 @@ xfs_file_aio_write(
/* Handle various SYNC-type writes */
if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
loff_t end = pos + ret - 1;
+ int error;
xfs_rw_iunlock(ip, iolock);
- ret = -xfs_file_fsync(file, pos, end,
+ error = -xfs_file_fsync(file, pos, end,
(file->f_flags & __O_SYNC) ? 0 : 1);
xfs_rw_ilock(ip, iolock);
+ if (error)
+ ret = error;
}
out_unlock:
--
Markus
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