add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/xfs/xfs_iops.c
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@@ -595,37 +595,6 @@
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 	return 0;
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 }
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-static void
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-xfs_setattr_mode(
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-	struct xfs_inode	*ip,
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-	struct iattr		*iattr)
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-{
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-	struct inode		*inode = VFS_I(ip);
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-	umode_t			mode = iattr->ia_mode;
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-
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-	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
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-
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-	inode->i_mode &= S_IFMT;
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-	inode->i_mode |= mode & ~S_IFMT;
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-}
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-
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-void
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-xfs_setattr_time(
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-	struct xfs_inode	*ip,
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-	struct iattr		*iattr)
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-{
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-	struct inode		*inode = VFS_I(ip);
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-
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-	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
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-
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-	if (iattr->ia_valid & ATTR_ATIME)
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-		inode->i_atime = iattr->ia_atime;
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-	if (iattr->ia_valid & ATTR_CTIME)
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-		inode->i_ctime = iattr->ia_ctime;
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-	if (iattr->ia_valid & ATTR_MTIME)
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-		inode->i_mtime = iattr->ia_mtime;
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-}
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-
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 static int
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 xfs_vn_change_ok(
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 	struct dentry	*dentry,
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@@ -741,16 +710,6 @@
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 		}
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 		/*
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-		 * CAP_FSETID overrides the following restrictions:
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-		 *
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-		 * The set-user-ID and set-group-ID bits of a file will be
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-		 * cleared upon successful return from chown()
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-		 */
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-		if ((inode->i_mode & (S_ISUID|S_ISGID)) &&
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-		    !capable(CAP_FSETID))
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-			inode->i_mode &= ~(S_ISUID|S_ISGID);
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-
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-		/*
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 		 * Change the ownerships and register quota modifications
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 		 * in the transaction.
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 		 */
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@@ -761,7 +720,6 @@
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 				olddquot1 = xfs_qm_vop_chown(tp, ip,
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 							&ip->i_udquot, udqp);
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 			}
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-			inode->i_uid = uid;
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 		}
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 		if (!gid_eq(igid, gid)) {
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 			if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
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@@ -772,15 +730,10 @@
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 				olddquot2 = xfs_qm_vop_chown(tp, ip,
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 							&ip->i_gdquot, gdqp);
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 			}
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-			inode->i_gid = gid;
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 		}
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 	}
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-	if (mask & ATTR_MODE)
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-		xfs_setattr_mode(ip, iattr);
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-	if (mask & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
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-		xfs_setattr_time(ip, iattr);
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-
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+	setattr_copy(inode, iattr);
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 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
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 	XFS_STATS_INC(mp, xs_ig_attrchg);
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@@ -1025,11 +978,8 @@
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 		xfs_inode_clear_eofblocks_tag(ip);
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 	}
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-	if (iattr->ia_valid & ATTR_MODE)
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-		xfs_setattr_mode(ip, iattr);
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-	if (iattr->ia_valid & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
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-		xfs_setattr_time(ip, iattr);
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-
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+	ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID)));
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+	setattr_copy(inode, iattr);
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 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
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 	XFS_STATS_INC(mp, xs_ig_attrchg);