kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/fs/fs_struct.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 #include <linux/export.h>
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 #include <linux/sched/signal.h>
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 #include <linux/sched/task.h>
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@@ -116,7 +117,7 @@
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 		fs->users = 1;
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 		fs->in_exec = 0;
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 		spin_lock_init(&fs->lock);
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-		seqcount_init(&fs->seq);
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+		seqcount_spinlock_init(&fs->seq, &fs->lock);
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 		fs->umask = old->umask;
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 		spin_lock(&old->lock);
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@@ -162,6 +163,6 @@
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 struct fs_struct init_fs = {
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 	.users		= 1,
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 	.lock		= __SPIN_LOCK_UNLOCKED(init_fs.lock),
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-	.seq		= SEQCNT_ZERO(init_fs.seq),
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+	.seq		= SEQCNT_SPINLOCK_ZERO(init_fs.seq, &init_fs.lock),
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 	.umask		= 0022,
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 };