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[GFS2] Detach buf data during in-place writeback 

This is patch 5 of 5 for bug #248176

Metadata corruption was occurring because page references weren't
being removed in all cases.  I previously added a function called
detach_bufdata, but I discovered there already WAS a function out
there to do the job.  It's called gfs2_meta_cache_flush.  So I added
a call to that to remove the page references.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2007-07-25 10:06:22 -05:00 committed by Steven Whitehouse
parent cee23c79d0
commit 0f8468c8be
1 changed files with 3 additions and 0 deletions
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3
fs/gfs2/log.c
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@ -219,6 +219,7 @@ static void gfs2_ail2_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai)
{
struct list_head *head = &ai->ai_ail2_list;
struct gfs2_bufdata *bd;
struct gfs2_inode *bh_ip;
while (!list_empty(head)) {
bd = list_entry(head->prev, struct gfs2_bufdata,
@ -228,6 +229,8 @@ static void gfs2_ail2_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai)
list_del(&bd->bd_ail_st_list);
list_del(&bd->bd_ail_gl_list);
atomic_dec(&bd->bd_gl->gl_ail_count);
bh_ip = GFS2_I(bd->bd_bh->b_page->mapping->host);
gfs2_meta_cache_flush(bh_ip);
brelse(bd->bd_bh);
}
}