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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/fs/xfs/xfs_sysctl.c
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@@ -4,10 +4,7 @@
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  * All Rights Reserved.
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  */
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 #include "xfs.h"
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-#include <linux/sysctl.h>
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-#include <linux/proc_fs.h>
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 #include "xfs_error.h"
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-#include "xfs_stats.h"
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8
 
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 static struct ctl_table_header *xfs_table_header;
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10
 
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@@ -16,7 +13,7 @@
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 xfs_stats_clear_proc_handler(
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 	struct ctl_table	*ctl,
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 	int			write,
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-	void			__user *buffer,
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+	void			*buffer,
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 	size_t			*lenp,
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 	loff_t			*ppos)
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 {
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@@ -36,7 +33,7 @@
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 xfs_panic_mask_proc_handler(
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 	struct ctl_table	*ctl,
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 	int			write,
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-	void			__user *buffer,
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+	void			*buffer,
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 	size_t			*lenp,
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 	loff_t			*ppos)
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 {
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@@ -53,13 +50,45 @@
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 }
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 #endif /* CONFIG_PROC_FS */
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+STATIC int
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+xfs_deprecate_irix_sgid_inherit_proc_handler(
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+	struct ctl_table	*ctl,
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+	int			write,
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+	void			*buffer,
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+	size_t			*lenp,
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+	loff_t			*ppos)
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+{
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+	if (write) {
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+		printk_once(KERN_WARNING
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+				"XFS: " "%s sysctl option is deprecated.\n",
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+				ctl->procname);
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+	}
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+	return proc_dointvec_minmax(ctl, write, buffer, lenp, ppos);
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+}
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+
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+STATIC int
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+xfs_deprecate_irix_symlink_mode_proc_handler(
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+	struct ctl_table	*ctl,
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+	int			write,
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+	void			*buffer,
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+	size_t			*lenp,
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+	loff_t			*ppos)
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+{
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+	if (write) {
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+		printk_once(KERN_WARNING
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+				"XFS: " "%s sysctl option is deprecated.\n",
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+				ctl->procname);
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+	}
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+	return proc_dointvec_minmax(ctl, write, buffer, lenp, ppos);
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+}
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+
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 static struct ctl_table xfs_table[] = {
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 	{
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 		.procname	= "irix_sgid_inherit",
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 		.data		= &xfs_params.sgid_inherit.val,
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 		.maxlen		= sizeof(int),
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 		.mode		= 0644,
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-		.proc_handler	= proc_dointvec_minmax,
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+		.proc_handler	= xfs_deprecate_irix_sgid_inherit_proc_handler,
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 		.extra1		= &xfs_params.sgid_inherit.min,
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 		.extra2		= &xfs_params.sgid_inherit.max
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 	},
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@@ -68,7 +97,7 @@
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 		.data		= &xfs_params.symlink_mode.val,
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 		.maxlen		= sizeof(int),
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 		.mode		= 0644,
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-		.proc_handler	= proc_dointvec_minmax,
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+		.proc_handler	= xfs_deprecate_irix_symlink_mode_proc_handler,
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 		.extra1		= &xfs_params.symlink_mode.min,
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 		.extra2		= &xfs_params.symlink_mode.max
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 	},