On Monday 13 March 2006 17:02, Badari Pulavarty wrote:
> On Mon, 2006-03-13 at 13:07 +0100, Rafael J. Wysocki wrote:
> > On Monday 13 March 2006 12:45, Andrew Morton wrote:
> > > "Rafael J. Wysocki" <[email protected]> wrote:
> > > >
> > > > > This should fix:
> > > > >
> > > > > --- devel/fs/ext3/inode.c~ext3-get-blocks-maping-multiple-blocks-at-a-once-journal-reentry-fix 2006-03-12 14:25:04.000000000 -0800
> > > > > +++ devel-akpm/fs/ext3/inode.c 2006-03-12 14:25:04.000000000 -0800
> > > > > @@ -830,7 +830,7 @@ ext3_direct_io_get_blocks(struct inode *
> > > > > handle_t *handle = journal_current_handle();
> > > > > int ret = 0;
> > > > >
> > > > > - if (!handle)
> > > > > + if (!create)
> > > > > goto get_block; /* A read */
> > > > >
> > > > > if (max_blocks == 1)
> > > >
> > > > Er, it doesn't apply to either 2.6.16-rc5-mm3 or 2.6.16-rc6-mm1.
> > >
> > > Nope, it applies OK to rc6-mm1.
> >
> > Well, this means my rc6-mm1 is different to what you have. :-)
> >
> > Anyway in "my" version there's a function ext3_get_block() which reads like this:
> >
> > static int ext3_get_block(struct inode *inode, sector_t iblock,
> > struct buffer_head *bh_result, int create)
> > {
> > handle_t *handle = journal_current_handle();
> > int ret = 0;
> > unsigned max_blocks = bh_result->b_size >> inode->i_blkbits;
> >
> > if (!handle)
> > goto get_block; /* A read */
> >
> > if (max_blocks == 1)
> > goto get_block; /* A single block get */
> >
> > etc.
> >
> > I guess I should replace the "if (!handle)" with "if (!create)"?
>
> Yes. In "-mm" ext3_get_block() == ext3_direct_io_getblocks() in
> mainline.
>
> I renamed ext3_direct_io_getblocks() to ext3_get_block() (in -mm)
> since both of them do same thing now. (both can deal with mapping
> multiple blocks).
Ah, I see, thanks.
Replacing the "if (!handle)" with "if (!create)" fixed the problem for me.
Greetings,
Rafael
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