diff options
| author | David Chinner <david@fromorbit.com> | 2008-10-30 17:36:14 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 17:36:14 +1100 |
| commit | bf904248a2adb3f3be4eb4fb1837ce3bb28cca76 (patch) | |
| tree | 288306924f640f19d881166a3b50fa59b6e9e7e7 /fs/xfs/linux-2.6/xfs_vnode.c | |
| parent | 8290c35f87304a6b73d4fd17b03580b4f7425de8 (diff) | |
[XFS] Combine the XFS and Linux inodes
To avoid issues with different lifecycles of XFS and Linux inodes, embedd
the linux inode inside the XFS inode. This means that the linux inode has
the same lifecycle as the XFS inode, even when it has been released by the
OS. XFS inodes don't live much longer than this (a short stint in reclaim
at most), so there isn't significant memory usage penalties here.
Version 3 o kill xfs_icount()
Version 2 o remove unused commented out code from xfs_iget(). o kill
useless cast in VFS_I()
SGI-PV: 988141
SGI-Modid: xfs-linux-melb:xfs-kern:32323a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vnode.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index ac827d23149..ad18262d651 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -84,25 +84,12 @@ vn_ioerror( #ifdef XFS_INODE_TRACE -/* - * Reference count of Linux inode if present, -1 if the xfs_inode - * has no associated Linux inode. - */ -static inline int xfs_icount(struct xfs_inode *ip) -{ - struct inode *inode = VFS_I(ip); - - if (inode) - return atomic_read(&inode->i_count); - return -1; -} - #define KTRACE_ENTER(ip, vk, s, line, ra) \ ktrace_enter( (ip)->i_trace, \ /* 0 */ (void *)(__psint_t)(vk), \ /* 1 */ (void *)(s), \ /* 2 */ (void *)(__psint_t) line, \ -/* 3 */ (void *)(__psint_t)xfs_icount(ip), \ +/* 3 */ (void *)(__psint_t)atomic_read(&VFS_I(ip)->i_count), \ /* 4 */ (void *)(ra), \ /* 5 */ NULL, \ /* 6 */ (void *)(__psint_t)current_cpu(), \ |