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build: Allow disabling io_uring

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This gives users the chance to reduce the number of dependencies
included, which is generally good practice and also reduces code size.

Furthermore, `io_uring` specifically is a strong contender for something
one may wish to disable due to the syscall API's many security issues[1]

 [1]: https://security.googleblog.com/2023/06/learnings-from-kctf-vrps-42-linux.html

Signed-off-by: Manish Goregaokar <manishsmail@gmail.com>
This commit is contained in:
Manish Goregaokar
2023-07-10 11:55:55 +02:00
committed by Bo Chen
parent d2e42a0ed4
commit 6fdba7ca11
7 changed files with 85 additions and 48 deletions
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block_util/Cargo.toml
+2 -1
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@@ -6,9 +6,10 @@ edition = "2021"
[features]
default = []
io_uring = ["dep:io-uring"]
[dependencies]
io-uring = "0.5.13"
io-uring = { version = "0.5.13", optional = true }
libc = "0.2.139"
log = "0.4.17"
qcow = { path = "../qcow" }