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linux-sg2042
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Fix a minor bug in the previous patch 

The logic requires that we mark the glock dirty in page_mkwrite
otherwise we might not flush correctly in the case that no
allocation was required in the process of dirying the page.
Also we need to set the shared write flag early for the same
reason.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2009-03-19 13:15:44 +00:00 committed by Steven Whitehouse
parent 6bac243f07
commit 9c538837d8
1 changed files with 3 additions and 2 deletions
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5
fs/gfs2/ops_file.c
View File

@ -355,6 +355,9 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
if (ret) if (ret)
goto out; goto out;
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);
ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required); ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required);
if (ret || !alloc_required) if (ret || !alloc_required)
goto out_unlock; goto out_unlock;
@ -395,8 +398,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
goto out_unlock_page; goto out_unlock_page;
} }
ret = gfs2_allocate_page_backing(page); ret = gfs2_allocate_page_backing(page);
if (!ret)
set_bit(GIF_SW_PAGED, &ip->i_flags);
out_unlock_page: out_unlock_page:
unlock_page(page); unlock_page(page);