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Commit 1434a65e authored by Chengguang Xu's avatar Chengguang Xu Committed by Miklos Szeredi
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ovl: drop negative dentry in upper layer



Negative dentries of upper layer are useless after construction of
overlayfs' own dentry and may keep in the memory long time even after
unmount of overlayfs instance. This patch tries to drop unnecessary
negative dentry of upper layer to effectively reclaim memory.

Signed-off-by: default avatarChengguang Xu <cgxu519@mykernel.net>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 05acefb4
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