kernel.git/fs/erofs/utils.c, branch linux-5.12.y

erofs: fold in used-once helper erofs_workgroup_unfreeze_final()

2020-08-03T13:04:46Z

It's expected that erofs_workgroup_unfreeze_final() won't be used in other places. Let's fold it to simplify the code. Link: https://lore.kernel.org/r/20200729180235.25443-1-hsiangkao@redhat.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: Replace HTTP links with HTTPS ones

2020-08-03T13:04:29Z

Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Reviewed-by: Gao Xiang Reviewed-by: Chao Yu Signed-off-by: Alexander A. Klimov Link: https://lore.kernel.org/r/20200713130944.34419-1-grandmaster@al2klimov.de Signed-off-by: Gao Xiang

erofs: correct the remaining shrink objects

2020-03-03T15:39:29Z

The remaining count should not include successful shrink attempts. Fixes: e7e9a307be9d ("staging: erofs: introduce workstation for decompression") Cc: # 4.19+ Link: https://lore.kernel.org/r/20200226081008.86348-1-gaoxiang25@huawei.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: convert workstn to XArray

2020-03-03T15:27:25Z

XArray has friendly APIs and it will replace the old radix tree in the near future. This convert makes use of __xa_cmpxchg when inserting on a just inserted item by other thread. In detail, instead of totally looking up again as what we did for the old radix tree, it will try to legitimize the current in-tree item in the XArray therefore more effective. In addition, naming is rather a challenge for non-English speaker like me. The basic idea of workstn is to provide a runtime sparse array with items arranged in the physical block number order. Such items (was called workgroup) can be used to record compress clusters or for later new features. However, both workgroup and workstn seem not good names from whatever point of view, so I'd like to rename them as pslot and managed_pslots to stand for physical slots. This patch handles the second as a part of the radix tree convert. Cc: Matthew Wilcox Link: https://lore.kernel.org/r/20200220024642.91529-1-gaoxiang25@huawei.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: remove void tagging/untagging of workgroup pointers

2020-01-07T02:09:21Z

Because workgroup pointers inserted to a radix tree are always tagged with a single value of 0, it is possible to remove tagging and untagging of the pointers completely. Signed-off-by: Vladimir Zapolskiy Link: https://lore.kernel.org/r/20200102120118.14979-4-vladimir@tuxera.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: remove unused tag argument while registering a workgroup

2020-01-07T02:08:45Z

All workgroups are registered with tag value set to 0, to simplify erofs_register_workgroup() interface the tag argument can be removed, if its only value is sent down to the function body. Signed-off-by: Vladimir Zapolskiy Link: https://lore.kernel.org/r/20200102120118.14979-3-vladimir@tuxera.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: remove unused tag argument while finding a workgroup

2020-01-07T02:08:38Z

It is feasible to simplify erofs_find_workgroup() interface by removing an unused function argument. While formally the argument is used in the function itself, its assigned value is ignored on the caller side. Signed-off-by: Vladimir Zapolskiy Link: https://lore.kernel.org/r/20200102120118.14979-2-vladimir@tuxera.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: get rid of __stagingpage_alloc helper

2019-11-24T02:57:48Z

Now open code is much cleaner due to iterative development. Link: https://lore.kernel.org/r/20191124025217.12345-1-hsiangkao@aol.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: remove dead code since managed cache is now built-in

2019-10-15T16:07:56Z

After commit 4279f3f9889f ("staging: erofs: turn cache strategies into mount options"), cache strategies are changed into mount options rather than old build configs. Let's kill useless code for obsoleted build options. Link: https://lore.kernel.org/r/20191008125616.183715-2-gaoxiang25@huawei.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang

erofs: remove all likely/unlikely annotations

2019-08-30T07:02:02Z

As Dan Carpenter suggested [1], I have to remove all erofs likely/unlikely annotations. [1] https://lore.kernel.org/linux-fsdevel/20190829154346.GK23584@kadam/ Reported-by: Dan Carpenter Signed-off-by: Gao Xiang Link: https://lore.kernel.org/r/20190829163827.203274-1-gaoxiang25@huawei.com Signed-off-by: Greg Kroah-Hartman