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xfs_export_operations.commit_metadata

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This is the commit_metadata export operation for XFS.

- Takes one inode to be committed.

- Forces the log up to the lsn of the inode.

- Doesn't force the log if the inode doesn't have a pincount.

Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
[bfields@citi.umich.edu: trivial whitespace fix]
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Ben Myers 2010-02-17 14:05:16 -06:00 committed by J. Bruce Fields
parent f501912a35
commit 978ebd97d1
1 changed files with 20 additions and 0 deletions
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20
fs/xfs/linux-2.6/xfs_export.c
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@ -29,6 +29,7 @@
#include "xfs_vnodeops.h"
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
/*
* Note that we only accept fileids which are long enough rather than allow
@ -215,9 +216,28 @@ xfs_fs_get_parent(
return d_obtain_alias(VFS_I(cip));
}
STATIC int
xfs_fs_nfs_commit_metadata(
struct inode *inode)
{
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
int error = 0;
xfs_ilock(ip, XFS_ILOCK_SHARED);
if (xfs_ipincount(ip)) {
error = _xfs_log_force(mp, ip->i_itemp->ili_last_lsn,
XFS_LOG_FORCE | XFS_LOG_SYNC, NULL);
}
xfs_iunlock(ip, XFS_ILOCK_SHARED);
return error;
}
const struct export_operations xfs_export_operations = {
.encode_fh = xfs_fs_encode_fh,
.fh_to_dentry = xfs_fs_fh_to_dentry,
.fh_to_parent = xfs_fs_fh_to_parent,
.get_parent = xfs_fs_get_parent,
.commit_metadata = xfs_fs_nfs_commit_metadata,
};