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(parent: 05acefb) | patch
ovl: drop negative dentry in upper layer
authorChengguang Xu <cgxu519@mykernel.net>
Tue, 26 May 2020 01:35:57 +0000 (09:35 +0800)
committerMiklos Szeredi <mszeredi@redhat.com>
Wed, 3 Jun 2020 07:45:22 +0000 (09:45 +0200)
commit1434a65ea625c51317ccdf06dabf4bd27d20fa10
treecad21a2634947a8b63f900ba11c0ebad56140563tree | snapshot
parent05acefb4872dae89e772729efb194af754c877e8commit | diff
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: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/overlayfs/namei.c diff | blob | history
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