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authorBrian Behlendorf <[email protected]>2012-03-22 14:47:29 -0700
committerBrian Behlendorf <[email protected]>2012-03-22 15:43:55 -0700
commit9ed86e7cc7d0880c35f675efc2177012f01f5678 (patch)
tree7fac3ea74d0c90bc456bcbfc3aac38dfceca5215 /module/zfs/space_map.c
parentebe7e575eae1e03b1faa545a424f008faeac589d (diff)
Account for .zfs ctldir inodes
Because the .zfs ctldir inodes are not backed by physical storage they use a different create path which was not properly accounting for them as used. This could result in ->nr_cached_objects() returning 0 and cause a divide by zero error in prune_super(). In my option there's a kernel bug here too which allows this to happen. They should either be checking for 0 or adding +1 like they correctly do earlier in the function. Signed-off-by: Brian Behlendorf <[email protected]> Closes #617
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