[PATCH 3.4 011/125] FS-Cache: Increase reference of parent after registering, netfs success

From: Kinglong Mee 3.4.113-rc1 review patch. If anyone has any objections, please let me know. -- commit 86108c2e34a26e4bec3c6ddb23390bf8cedcf391 upstream. If netfs exist, fscache should not increase the reference of parent's usage and n_children,

[PATCH 3.4 011/125] FS-Cache: Increase reference of parent after registering, netfs success

From: Kinglong Mee 3.4.113-rc1 review patch. If anyone has any objections, please let me know. -- commit 86108c2e34a26e4bec3c6ddb23390bf8cedcf391 upstream. If netfs exist, fscache should not increase the reference of parent's usage and n_children, otherwise, never be