linux-kernel - [PATCH 6/7] xfs: clean up xfs_merge_ioc

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Date:   Fri, 21 Jun 2019 16:57:38 -0700
From:   "Darrick J. Wong" <darrick.wong@...cle.com>
To:     matthew.garrett@...ula.com, yuchao0@...wei.com, tytso@....edu,
        darrick.wong@...cle.com, ard.biesheuvel@...aro.org,
        josef@...icpanda.com, clm@...com, adilger.kernel@...ger.ca,
        viro@...iv.linux.org.uk, jack@...e.com, dsterba@...e.com,
        jaegeuk@...nel.org, jk@...abs.org
Cc:     reiserfs-devel@...r.kernel.org, linux-efi@...r.kernel.org,
        devel@...ts.orangefs.org, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-xfs@...r.kernel.org,
        linux-mm@...ck.org, linux-nilfs@...r.kernel.org,
        linux-mtd@...ts.infradead.org, ocfs2-devel@....oracle.com,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-btrfs@...r.kernel.org
Subject: [PATCH 6/7] xfs: clean up xfs_merge_ioc_xflags

From: Darrick J. Wong <darrick.wong@...cle.com>

Clean up the calling convention since we're editing the fsxattr struct
anyway.

Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
 fs/xfs/xfs_ioctl.c |   32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)


diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 7b19ba2956ad..a67bc9afdd0b 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -829,35 +829,31 @@ xfs_ioc_ag_geometry(
  * Linux extended inode flags interface.
  */
 
-STATIC unsigned int
+static inline void
 xfs_merge_ioc_xflags(
-	unsigned int	flags,
-	unsigned int	start)
+	struct fsxattr	*fa,
+	unsigned int	flags)
 {
-	unsigned int	xflags = start;
-
 	if (flags & FS_IMMUTABLE_FL)
-		xflags |= FS_XFLAG_IMMUTABLE;
+		fa->fsx_xflags |= FS_XFLAG_IMMUTABLE;
 	else
-		xflags &= ~FS_XFLAG_IMMUTABLE;
+		fa->fsx_xflags &= ~FS_XFLAG_IMMUTABLE;
 	if (flags & FS_APPEND_FL)
-		xflags |= FS_XFLAG_APPEND;
+		fa->fsx_xflags |= FS_XFLAG_APPEND;
 	else
-		xflags &= ~FS_XFLAG_APPEND;
+		fa->fsx_xflags &= ~FS_XFLAG_APPEND;
 	if (flags & FS_SYNC_FL)
-		xflags |= FS_XFLAG_SYNC;
+		fa->fsx_xflags |= FS_XFLAG_SYNC;
 	else
-		xflags &= ~FS_XFLAG_SYNC;
+		fa->fsx_xflags &= ~FS_XFLAG_SYNC;
 	if (flags & FS_NOATIME_FL)
-		xflags |= FS_XFLAG_NOATIME;
+		fa->fsx_xflags |= FS_XFLAG_NOATIME;
 	else
-		xflags &= ~FS_XFLAG_NOATIME;
+		fa->fsx_xflags &= ~FS_XFLAG_NOATIME;
 	if (flags & FS_NODUMP_FL)
-		xflags |= FS_XFLAG_NODUMP;
+		fa->fsx_xflags |= FS_XFLAG_NODUMP;
 	else
-		xflags &= ~FS_XFLAG_NODUMP;
-
-	return xflags;
+		fa->fsx_xflags &= ~FS_XFLAG_NODUMP;
 }
 
 STATIC unsigned int
@@ -1504,7 +1500,7 @@ xfs_ioc_setxflags(
 		return -EOPNOTSUPP;
 
 	__xfs_ioc_fsgetxattr(ip, false, &fa);
-	fa.fsx_xflags = xfs_merge_ioc_xflags(flags, fa.fsx_xflags);
+	xfs_merge_ioc_xflags(&fa, flags);
 
 	error = mnt_want_write_file(filp);
 	if (error)