Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Sun, 6 Jul 2003 19:37:22 -0700 | From | Andrew Morton <> | Subject | Re: [BUG] heavy disk access sometimes freezes 2.5.73-mm[123] |
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Nick Piggin <piggin@cyberone.com.au> wrote: > > >I've figured things out a bit more and filed a Bugzilla report: > >http://bugme.osdl.org/show_bug.cgi?id=877
Barry says the problem started with 2.5.73-mm1. There was a reiserfs patch added in that kernel.
Does a `patch -R' of this fix it up?
fs/reiserfs/tail_conversion.c | 13 +++++++++++++ 1 files changed, 13 insertions(+)
diff -puN fs/reiserfs/tail_conversion.c~reiserfs-unmapped-buffer-fix fs/reiserfs/tail_conversion.c --- 25/fs/reiserfs/tail_conversion.c~reiserfs-unmapped-buffer-fix 2003-06-27 23:20:15.000000000 -0700 +++ 25-akpm/fs/reiserfs/tail_conversion.c 2003-06-27 23:20:15.000000000 -0700 @@ -143,6 +143,16 @@ void reiserfs_unmap_buffer(struct buffer } clear_buffer_dirty(bh) ; lock_buffer(bh) ; + /* Remove the buffer from whatever list it belongs to. We are mostly + interested in removing it from per-sb j_dirty_buffers list, to avoid + BUG() on attempt to write not mapped buffer */ + if ( !list_empty(&bh->b_assoc_buffers) && bh->b_page) { + struct inode *inode = bh->b_page->mapping->host; + struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb); + spin_lock(&j->j_dirty_buffers_lock); + list_del_init(&bh->b_assoc_buffers); + spin_unlock(&j->j_dirty_buffers_lock); + } clear_buffer_mapped(bh) ; clear_buffer_req(bh) ; clear_buffer_new(bh); @@ -180,6 +190,9 @@ unmap_buffers(struct page *page, loff_t } bh = next ; } while (bh != head) ; + if ( PAGE_SIZE == bh->b_size ) { + ClearPageDirty(page); + } } } } _
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