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-   -   libgfs2: Use dinode buffer to map gfs1 dinode blocks (http://www.linux-archive.org/cluster-development/623198-libgfs2-use-dinode-buffer-map-gfs1-dinode-blocks.html)

01-20-2012 02:10 PM

libgfs2: Use dinode buffer to map gfs1 dinode blocks
 
From: Bob Peterson <rpeterso@redhat.com>

When function gfs1_block_map found a block for a stuffed file it
wasn't returning the dinode buffer, it was returning the block as a
new buffer. The problem is, if changes are made to the block, they
will be overwritten by the dinode buffer when that is released.
The result is a fixed block that doesn't get fixed. This patch
changes the code to return the block properly like gfs2_block_map.

rhbz#675723
---
gfs2/libgfs2/gfs1.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/gfs2/libgfs2/gfs1.c b/gfs2/libgfs2/gfs1.c
index 59eaa8d..2ace124 100644
--- a/gfs2/libgfs2/gfs1.c
+++ b/gfs2/libgfs2/gfs1.c
@@ -118,7 +118,10 @@ void gfs1_block_map(struct gfs2_inode *ip, uint64_t lblock, int *new,
mh.mh_format = GFS2_FORMAT_IN;
gfs2_meta_header_out(&mh, bh);
} else {
- bh = bread(sdp, *dblock);
+ if (*dblock == ip->i_di.di_num.no_addr)
+ bh = ip->i_bh;
+ else
+ bh = bread(sdp, *dblock);
}
}

--
1.7.7.5


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