Messages in this thread | | | Date | Fri, 20 Sep 2013 12:06:10 +0400 | From | Maxim Patlasov <> | Subject | Re: [PATCH 0/3] fuse: fixes for writepages |
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Miklos,
On 09/19/2013 08:11 PM, Miklos Szeredi wrote: > Maxim, > > Please review and test these. I've appended them to writepages.v2 and for-next.
Thanks a lot for efforts. I'll start to work on it now and send you feedback as soon as I get a progress.
Btw, adding fuse-devel to cc.
Thanks, Maxim
> > Here's a test patch for the rewrites stuff. It simply disables the waiting in > fuse_page_mkwrite() and is quite effective in generating rewrites in my > testcase. > > Thanks, > Miklos > > --- > fs/fuse/file.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > --- a/fs/fuse/file.c > +++ b/fs/fuse/file.c > @@ -1498,6 +1498,7 @@ static void fuse_writepage_end(struct fu > > mapping_set_error(inode->i_mapping, req->out.h.error); > spin_lock(&fc->lock); > + int count = 0; > while (req->misc.write.next) { > struct fuse_req *next = req->misc.write.next; > req->misc.write.next = next->misc.write.next; > @@ -1505,7 +1506,10 @@ static void fuse_writepage_end(struct fu > list_add(&next->writepages_entry, &fi->writepages); > list_add_tail(&next->list, &fi->queued_writes); > fuse_flush_writepages(inode); > + count++; > } > + if (count) > + printk("rewrite: %i\n", count); > fi->writectr--; > fuse_writepage_finish(fc, req); > spin_unlock(&fc->lock); > @@ -1884,7 +1888,7 @@ static int fuse_page_mkwrite(struct vm_a > return VM_FAULT_NOPAGE; > } > > - fuse_wait_on_page_writeback(inode, page->index); > + //fuse_wait_on_page_writeback(inode, page->index); > return VM_FAULT_LOCKED; > } > > > >
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