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linux/fs/erofs
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Yue Hu c40dd3ca2a erofs: clear compacted_2b if compacted_4b_initial > totalidx 
Currently, the whole indexes will only be compacted 4B if
compacted_4b_initial > totalidx. So, the calculated compacted_2b
is worthless for that case. It may waste CPU resources.

No need to update compacted_4b_initial as mkfs since it's used to
fulfill the alignment of the 1st compacted_2b pack and would handle
the case above.

We also need to clarify compacted_4b_end here. It's used for the
last lclusters which aren't fitted in the previous compacted_2b
packs.

Some messages are from Xiang.

Link: https://lore.kernel.org/r/20210914035915.1190-1-zbestahu@gmail.com
Signed-off-by: Yue Hu <huyue2@yulong.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
[ Gao Xiang: it's enough to use "compacted_4b_initial < totalidx". ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2021-09-23 23:23:04 +08:00
..
compress.h erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
data.c erofs: support reading chunk-based uncompressed files 2021-08-20 22:38:01 +08:00
decompressor.c erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
dir.c erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
erofs_fs.h erofs: introduce chunk-based file on-disk format 2021-08-20 22:38:01 +08:00
inode.c erofs: fix misbehavior of unsupported chunk format check 2021-09-23 23:22:04 +08:00
internal.h erofs: support reading chunk-based uncompressed files 2021-08-20 22:38:01 +08:00
Kconfig erofs: iomap support for non-tailpacking DIO 2021-08-10 00:14:42 +08:00
Makefile erofs: introduce multipage per-CPU buffers 2021-04-10 03:19:59 +08:00
namei.c erofs: add fiemap support with iomap 2021-08-19 00:13:43 +08:00
pcpubuf.c erofs: introduce multipage per-CPU buffers 2021-04-10 03:19:59 +08:00
super.c libnvdimm for v5.15 2021-09-09 11:39:57 -07:00
tagptr.h erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
utils.c erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
xattr.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
xattr.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
zdata.c erofs: remove the mapping parameter from erofs_try_to_free_cached_page() 2021-08-11 09:47:39 +08:00
zdata.h erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
zmap.c erofs: clear compacted_2b if compacted_4b_initial > totalidx 2021-09-23 23:23:04 +08:00
zpvec.h erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00