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| author | Huang Jianan <huangjianan@oppo.com> | 2021-12-06 17:35:52 +0300 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2021-12-08 04:42:18 +0300 |
| commit | 40452ffca3c1a0f2994e826f9fa213b107f1a2d4 (patch) | |
| tree | c7f6126f75ba80183a7a7cd34832d4f75e594455 /fs/erofs/super.c | |
| parent | 168e9a76200c54c584a23aa88c62c53c4b0edd66 (diff) | |
| download | linux-40452ffca3c1a0f2994e826f9fa213b107f1a2d4.tar.xz | |
erofs: add sysfs node to control sync decompression strategy
Although readpage is a synchronous path, there will be no additional
kworker scheduling overhead in non-atomic contexts together with
dm-verity.
Let's add a sysfs node to disable sync decompression as an option.
Link: https://lore.kernel.org/r/20211206143552.8384-1-huangjianan@oppo.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/super.c')
| -rw-r--r-- | fs/erofs/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c index abc1da5d1719..58f381f80205 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -423,7 +423,7 @@ static void erofs_default_options(struct erofs_fs_context *ctx) #ifdef CONFIG_EROFS_FS_ZIP ctx->opt.cache_strategy = EROFS_ZIP_CACHE_READAROUND; ctx->opt.max_sync_decompress_pages = 3; - ctx->opt.readahead_sync_decompress = false; + ctx->opt.sync_decompress = EROFS_SYNC_DECOMPRESS_AUTO; #endif #ifdef CONFIG_EROFS_FS_XATTR set_opt(&ctx->opt, XATTR_USER); |