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[XFS] keep i_nlink updated and use proper accessors 

To get the read-only bind mounts in -mm to work correctly with XFS we need
to call the drop_nlink and inc_nlink helpers to monitor the link count.
Add calls to these to xfs_bumplink and xfs_droplink and stop copying over
di_nlink to i_nlink in xfs_validate_fields and vn_revalidate.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30392a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-02-05 12:13:53 +11:00 committed by Lachlan McIlroy
parent 222096ae7f
commit 4188c78d95
3 changed files with 2 additions and 2 deletions
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1
fs/xfs/linux-2.6/xfs_iops.c
View File

@ -201,7 +201,6 @@ xfs_validate_fields(
struct xfs_inode *ip = XFS_I(inode);
loff_t size;
inode->i_nlink = ip->i_d.di_nlink;
/* we're under i_sem so i_size can't change under us */
size = XFS_ISIZE(ip);
if (i_size_read(inode) != size)

1
fs/xfs/linux-2.6/xfs_vnode.c
View File

@ -103,7 +103,6 @@ vn_revalidate(
xfs_ilock(ip, XFS_ILOCK_SHARED);
inode->i_mode = ip->i_d.di_mode;
inode->i_nlink = ip->i_d.di_nlink;
inode->i_uid = ip->i_d.di_uid;
inode->i_gid = ip->i_d.di_gid;
inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;

2
fs/xfs/xfs_utils.c
View File

@ -302,6 +302,7 @@ xfs_droplink(
ASSERT (ip->i_d.di_nlink > 0);
ip->i_d.di_nlink--;
drop_nlink(ip->i_vnode);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = 0;
@ -365,6 +366,7 @@ xfs_bumplink(
ASSERT(ip->i_d.di_nlink > 0);
ip->i_d.di_nlink++;
inc_nlink(ip->i_vnode);
if ((ip->i_d.di_version == XFS_DINODE_VERSION_1) &&
(ip->i_d.di_nlink > XFS_MAXLINK_1)) {
/*