Gitweb: http://git.fedorahosted.org/git/?p=cluster.git;a=commitdiff;h=758e195b7abff4... Commit: 758e195b7abff40e57aa79a840bbc28fb3634f6e Parent: f4de877fc268b6915c92653230a279e60dfd560c Author: Bob Peterson rpeterso@redhat.com AuthorDate: Tue Aug 9 09:33:08 2011 -0500 Committer: Bob Peterson rpeterso@redhat.com CommitterDate: Fri Apr 5 06:25:00 2013 -0700
fsck.gfs2: fsck.gfs2: Duplicate ref processing for leaf blocks
This patch adds checks for duplicate block references to the leaf block processing.
rhbz#877150 --- gfs2/fsck/pass1.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/gfs2/fsck/pass1.c b/gfs2/fsck/pass1.c index c7b24a7..92bc1e6 100644 --- a/gfs2/fsck/pass1.c +++ b/gfs2/fsck/pass1.c @@ -349,7 +349,27 @@ static int check_num_ptrs(struct gfs2_inode *ip, uint64_t leafno, static int check_leaf(struct gfs2_inode *ip, uint64_t block, void *private) { struct block_count *bc = (struct block_count *) private; + uint8_t q;
+ /* Note if we've gotten this far, the block has already passed the + check in metawalk: gfs2_check_meta(lbh, GFS2_METATYPE_LF). + So we know it's a leaf block. */ + q = block_type(block); + if (q != gfs2_block_free) { + log_err( _("Found duplicate block %llu (0x%llx) referenced " + "as a directory leaf in dinode " + "%llu (0x%llx) - was marked %d (%s)\n"), + (unsigned long long)block, + (unsigned long long)block, + (unsigned long long)ip->i_di.di_num.no_addr, + (unsigned long long)ip->i_di.di_num.no_addr, q, + block_type_string(q)); + add_duplicate_ref(ip, block, ref_as_meta, 0, INODE_VALID); + if (q == gfs2_leaf_blk) /* If the previous reference also saw + this as a leaf, it was already + checked, so don't check again. */ + return -EEXIST; + } fsck_blockmap_set(ip, block, _("directory leaf"), gfs2_leaf_blk); bc->indir_count++; return 0;
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