[LPIA Hardy LUM, netbook-lpia branch] unionfs: enable delete=all unionfs mount option

Colin Ian King colin.king at canonical.com
Wed Oct 7 18:04:50 UTC 2009

For: Hardy Lum, netbook-lpia branch 



unionfs does not have the delete=all mount option compiled
in. Enable this by adding -DUNIONFS_DELETE_ALL to CFLAGS.

Without the delete=all option configured one cannot mount
a unionfs without having to fallback on using whiteouts which
can consume a considerable amount of inodes to mark deleted
files. This can cause problems on unionfs systems with limited
inode reservations where storage is very limited.

Attached: the patch

Colin King <colin.king at canonical.com>
Hardware Enable Team - Kernel Team - Canonical
Ubuntu - Linux for human beings | www.ubuntu.com | www.canonical.com
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