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core: normalize ioprio values we acquire from kernel

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Linux 5.15 broke API in ioprio_get(): instead of returning
IOPRIO_CLASS_NONE when that's set it now returns IOPRIO_CLASS_BE, which
is what this actually is (the former is just an alias for the latter
with a priority value of 4).

Let's hide the differences between old and new kernels here, and always
normalize to what the new kernels do.
This commit is contained in:
Lennart Poettering 2021-11-24 15:39:43 +01:00
parent ba7772fee4
commit 8b330d7d75
1 changed files with 1 additions and 1 deletions
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src/core/execute.c
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@ -6023,7 +6023,7 @@ int exec_context_get_effective_ioprio(const ExecContext *c) {
if (p < 0) if (p < 0)
return IOPRIO_DEFAULT_CLASS_AND_PRIO; return IOPRIO_DEFAULT_CLASS_AND_PRIO;
return p; return ioprio_normalize(p);
} }
bool exec_context_get_effective_mount_apivfs(const ExecContext *c) { bool exec_context_get_effective_mount_apivfs(const ExecContext *c) {