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(parent: 4ef3d51) | patch
staging: erofs: introduce erofs shrinker
authorGao Xiang <gaoxiang25@huawei.com>
Thu, 26 Jul 2018 12:22:04 +0000 (20:22 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 27 Jul 2018 15:24:10 +0000 (17:24 +0200)
commit5847b394e642d2db3577fb2327af6a5645af3d85
tree98ad3b2a8b90878e7635a8ed0e1ab54484ff2266tree | snapshot
parent4ef3d5117937d66ba884cd553bdc40138fa9024ecommit | diff
staging: erofs: introduce erofs shrinker

This patch adds a dedicated shrinker targeting to free unneeded
memory consumed by a number of erofs in-memory data structures.

Like F2FS and UBIFS, it also adds:
  - sbi->umount_mutex to avoid races on shrinker and put_super
  - sbi->shrinker_run_no to not revisit recently scaned objects

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/erofs/internal.h diff | blob | history
drivers/staging/erofs/super.c diff | blob | history
drivers/staging/erofs/utils.c diff | blob | history
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