mirror of
https://github.com/dynup/kpatch
synced 2025-02-15 17:16:57 +00:00
b295c8686e
Restore aio_max_nr to its original value when unloading. Also move the location of the patch hunk to be not at the end of the file. Otherwise we hit a weird combinediff bug which results in the diff's context being removed.
26 lines
687 B
Diff
26 lines
687 B
Diff
Index: src/fs/aio.c
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===================================================================
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--- src.orig/fs/aio.c
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+++ src/fs/aio.c
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@@ -1626,6 +1626,20 @@ SYSCALL_DEFINE3(io_cancel, aio_context_t
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return ret;
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}
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+static int aio_max_nr_orig;
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+void kpatch_load_aio_max_nr(void)
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+{
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+ aio_max_nr_orig = aio_max_nr;
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+ aio_max_nr = 0x40000;
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+}
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+void kpatch_unload_aio_max_nr(void)
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+{
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+ aio_max_nr = aio_max_nr_orig;
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+}
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+#include "kpatch-macros.h"
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+KPATCH_LOAD_HOOK(kpatch_load_aio_max_nr);
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+KPATCH_UNLOAD_HOOK(kpatch_unload_aio_max_nr);
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+
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/* io_getevents:
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* Attempts to read at least min_nr events and up to nr events from
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* the completion queue for the aio_context specified by ctx_id. If
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