[XFS] Add a comment about the use of XFS_SIZE_TOKEN_WANT.

SGI-PV: 936331
SGI-Modid: xfs-linux:xfs-kern:23827a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2005-11-02 10:31:13 +11:00
parent c86e711ceb
commit 30dab21abb

View File

@ -388,6 +388,7 @@ void xfs_ifork_next_set(xfs_inode_t *ip, int w, int n);
#define XFS_ILOCK_EXCL 0x004
#define XFS_ILOCK_SHARED 0x008
#define XFS_IUNLOCK_NONOTIFY 0x010
/* XFS_IOLOCK_NESTED 0x020 */
#define XFS_EXTENT_TOKEN_RD 0x040
#define XFS_SIZE_TOKEN_RD 0x080
#define XFS_EXTSIZE_RD (XFS_EXTENT_TOKEN_RD|XFS_SIZE_TOKEN_RD)
@ -395,7 +396,7 @@ void xfs_ifork_next_set(xfs_inode_t *ip, int w, int n);
#define XFS_EXTENT_TOKEN_WR (XFS_EXTENT_TOKEN_RD | XFS_WILLLEND)
#define XFS_SIZE_TOKEN_WR (XFS_SIZE_TOKEN_RD | XFS_WILLLEND)
#define XFS_EXTSIZE_WR (XFS_EXTSIZE_RD | XFS_WILLLEND)
/* XFS_SIZE_TOKEN_WANT 0x200 */
#define XFS_LOCK_MASK \
(XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL | \