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ocfs2: harden buffer check during mapping of page blocks 

We don't want to submit buffer_new blocks for read i/o. This actually won't
happen right now because those requests during an allocating write are all nicely
aligned. It's probably a good idea to provide an explicit check though.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh 2007-06-18 11:12:36 -07:00
parent 7307de8051
commit bce997682f
1 changed files with 2 additions and 1 deletions
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3
fs/ocfs2/aops.c
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@ -712,7 +712,8 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
if (!buffer_uptodate(bh))
set_buffer_uptodate(bh);
} else if (!buffer_uptodate(bh) && !buffer_delay(bh) &&
(block_start < from || block_end > to)) {
!buffer_new(bh) &&
(block_start < from || block_end > to)) {
ll_rw_block(READ, 1, &bh);
*wait_bh++=bh;
}