Merge tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:
 "Mainly singleton patches all over the place.

  Series of note are:

   - updates to scripts/gdb from Glenn Washburn

   - kexec cleanups from Bjorn Helgaas"

* tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (50 commits)
  mailmap: add entries for Paul Mackerras
  libgcc: add forward declarations for generic library routines
  mailmap: add entry for Oleksandr
  ocfs2: reduce ioctl stack usage
  fs/proc: add Kthread flag to /proc/$pid/status
  ia64: fix an addr to taddr in huge_pte_offset()
  checkpatch: introduce proper bindings license check
  epoll: rename global epmutex
  scripts/gdb: add GDB convenience functions $lx_dentry_name() and $lx_i_dentry()
  scripts/gdb: create linux/vfs.py for VFS related GDB helpers
  uapi/linux/const.h: prefer ISO-friendly __typeof__
  delayacct: track delays from IRQ/SOFTIRQ
  scripts/gdb: timerlist: convert int chunks to str
  scripts/gdb: print interrupts
  scripts/gdb: raise error with reduced debugging information
  scripts/gdb: add a Radix Tree Parser
  lib/rbtree: use '+' instead of '|' for setting color.
  proc/stat: remove arch_idle_time()
  checkpatch: check for misuse of the link tags
  checkpatch: allow Closes tags with links
  ...

1 files changed, 26 insertions, 11 deletions

diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 811a6ea374bb..b1550ba73f96 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -803,8 +803,8 @@ bail:
  * a better backward&forward compatibility, since a small piece of
  * request will be less likely to be broken if disk layout get changed.
  */
-static int ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info,
-			     int compat_flag)
+static noinline_for_stack int
+ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info, int compat_flag)
 {
 	int i, status = 0;
 	u64 req_addr;
@@ -840,27 +840,26 @@ bail:
 long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct inode *inode = file_inode(filp);
-	int new_clusters;
-	int status;
-	struct ocfs2_space_resv sr;
-	struct ocfs2_new_group_input input;
-	struct reflink_arguments args;
-	const char __user *old_path;
-	const char __user *new_path;
-	bool preserve;
-	struct ocfs2_info info;
 	void __user *argp = (void __user *)arg;
+	int status;
 
 	switch (cmd) {
 	case OCFS2_IOC_RESVSP:
 	case OCFS2_IOC_RESVSP64:
 	case OCFS2_IOC_UNRESVSP:
 	case OCFS2_IOC_UNRESVSP64:
+	{
+		struct ocfs2_space_resv sr;
+
 		if (copy_from_user(&sr, (int __user *) arg, sizeof(sr)))
 			return -EFAULT;
 
 		return ocfs2_change_file_space(filp, cmd, &sr);
+	}
 	case OCFS2_IOC_GROUP_EXTEND:
+	{
+		int new_clusters;
+
 		if (!capable(CAP_SYS_RESOURCE))
 			return -EPERM;
 
@@ -873,8 +872,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		status = ocfs2_group_extend(inode, new_clusters);
 		mnt_drop_write_file(filp);
 		return status;
+	}
 	case OCFS2_IOC_GROUP_ADD:
 	case OCFS2_IOC_GROUP_ADD64:
+	{
+		struct ocfs2_new_group_input input;
+
 		if (!capable(CAP_SYS_RESOURCE))
 			return -EPERM;
 
@@ -887,7 +890,14 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		status = ocfs2_group_add(inode, &input);
 		mnt_drop_write_file(filp);
 		return status;
+	}
 	case OCFS2_IOC_REFLINK:
+	{
+		struct reflink_arguments args;
+		const char __user *old_path;
+		const char __user *new_path;
+		bool preserve;
+
 		if (copy_from_user(&args, argp, sizeof(args)))
 			return -EFAULT;
 		old_path = (const char __user *)(unsigned long)args.old_path;
@@ -895,11 +905,16 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		preserve = (args.preserve != 0);
 
 		return ocfs2_reflink_ioctl(inode, old_path, new_path, preserve);
+	}
 	case OCFS2_IOC_INFO:
+	{
+		struct ocfs2_info info;
+
 		if (copy_from_user(&info, argp, sizeof(struct ocfs2_info)))
 			return -EFAULT;
 
 		return ocfs2_info_handle(inode, &info, 0);
+	}
 	case FITRIM:
 	{
 		struct super_block *sb = inode->i_sb;