Commit bd646104 authored Jun 19, 2018 by Arnd Bergmann Committed by Dave Kleikamp Jun 19, 2018

jfs: use time64_t for otime



The file creation time in the inode uses time_t which is defined
differently on 32-bit and 64-bit architectures and deprecated. The
representation in the inode uses an unsigned 32-bit number, but this
gets wrapped around after year 2038 when assigned to a time_t.

This changes the type to time64_t, so we can support the full range of
timestamps between 1970 and 2106 on 32-bit systems like we do on 64-bit
systems already, and matching what we do for the atime/ctime/mtime stamps
since the introduction of 64-bit timestamps in VFS.

Note: the otime stamp is not actually used anywhere at the moment in
the kernel, it is just set when writing a file, so none of this really
makes a difference unless we implement setting the btime field in the
getattr() callback.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>

parent ba4dbded

fs/jfs/jfs_incore.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -43,7 +43,7 @@ struct jfs_inode_info {
	pxd_t ixpxd; /* inode extent descriptor */		pxd_t ixpxd; /* inode extent descriptor */
	dxd_t acl; /* dxd describing acl */		dxd_t acl; /* dxd describing acl */
	dxd_t ea; /* dxd describing ea */		dxd_t ea; /* dxd describing ea */
	time_t otime; /* time created */		time64_t otime; /* time created */
	uint next_index; /* next available directory entry index */		uint next_index; /* next available directory entry index */
	int acltype; /* Type of ACL */		int acltype; /* Type of ACL */
	short btorder; /* access order */		short btorder; /* access order */