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Go Back   Linux Archive > Redhat > Cluster Development

 
 
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Old 09-20-2012, 02:52 PM
Benjamin Marzinski
 
Default GFS2: Write out dirty inode metadata in delayed deletes

If a dirty GFS2 inode was being deleted but was in use by another node, its
metadata was not getting written out before GFS2 checked for dirty buffers in
gfs2_ail_flush(). GFS2 was relying on inode_go_sync() to write out the
metadata when the other node tried to free the file, but it failed the error
check before it got that far. This patch writes out the metadata before calling
gfs2_ail_flush()

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
fs/gfs2/super.c | 5 +++++
1 file changed, 5 insertions(+)

Index: gfs2-3.0-nmw/fs/gfs2/super.c
================================================== =================
--- gfs2-3.0-nmw.orig/fs/gfs2/super.c
+++ gfs2-3.0-nmw/fs/gfs2/super.c
@@ -1545,6 +1545,11 @@ static void gfs2_evict_inode(struct inod

out_truncate:
gfs2_log_flush(sdp, ip->i_gl);
+ if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) {
+ struct address_space *metamapping = gfs2_glock2aspace(ip->i_gl);
+ filemap_fdatawrite(metamapping);
+ filemap_fdatawait(metamapping);
+ }
write_inode_now(inode, 1);
gfs2_ail_flush(ip->i_gl, 0);
 

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