mirror of https://github.com/OpenIPC/firmware.git
45 lines
885 B
Diff
45 lines
885 B
Diff
--- linux-4.9.37/fs/buffer.c 2017-07-12 16:42:41.000000000 +0300
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+++ linux-4.9.y/fs/buffer.c 2021-06-07 13:01:34.000000000 +0300
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@@ -1276,10 +1276,17 @@
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*/
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static void bh_lru_install(struct buffer_head *bh)
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{
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- struct buffer_head *evictee = NULL;
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+#ifdef CONFIG_GOKE_MC
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+ struct buffer_head *evictee = bh;
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+ struct bh_lru *b;
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+ int i;
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+#else
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+ struct buffer_head *evictee = NULL;
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+#endif
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check_irqs_on();
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bh_lru_lock();
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+#ifndef CONFIG_GOKE_MC
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if (__this_cpu_read(bh_lrus.bhs[0]) != bh) {
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struct buffer_head *bhs[BH_LRU_SIZE];
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int in;
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@@ -1310,6 +1317,22 @@
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if (evictee)
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__brelse(evictee);
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+#endif
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+
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+#ifdef CONFIG_GOKE_MC
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+ b = this_cpu_ptr(&bh_lrus);
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+ for (i = 0; i < BH_LRU_SIZE; i++) {
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+ swap(evictee, b->bhs[i]);
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+ if (evictee == bh) {
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+ bh_lru_unlock();
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+ return;
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+ }
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+ }
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+
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+ get_bh(bh);
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+ bh_lru_unlock();
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+ brelse(evictee);
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+#endif
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}
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/*
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