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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-30 19:08:09 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-06-10 23:41:12 +0900
commit30c25be71fcbd87fd33518045cc014e69bff3d6f (patch)
tree89b9ea993834f57b7390a24fdfacf6099b854b54 /fs/nilfs2/mdt.c
parentfb6e7113ae3ba6c7d0de77c6ccbcfa659899ff0f (diff)
downloadlinux-30c25be71fcbd87fd33518045cc014e69bff3d6f.tar.gz
nilfs2: return EBUSY against delete request on snapshot
This helps userland programs like the rmcp command to distinguish error codes returned against a checkpoint removal request. Previously -EPERM was returned, and not discriminable from real permission errors. This also allows removal of the latest checkpoint because the deletion leads to create a new checkpoint, and thus it's harmless for the filesystem. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/mdt.c')
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