From: Allison Henderson <allison.henderson@xxxxxxxxxx>
Source kernel commit: f1097be220fa938de5114db57a1ddb5de2bf6046
This patch modifies xfs_link to add a parent pointer to the inode.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
[djwong: minor rebase fixes]
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
libxfs/xfs_trans_space.c | 14 ++++++++++++++
libxfs/xfs_trans_space.h | 3 +--
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/libxfs/xfs_trans_space.c b/libxfs/xfs_trans_space.c
index 3408e700f..039bbd91e 100644
--- a/libxfs/xfs_trans_space.c
+++ b/libxfs/xfs_trans_space.c
@@ -50,3 +50,17 @@ xfs_mkdir_space_res(
{
return xfs_create_space_res(mp, namelen);
}
+
+unsigned int
+xfs_link_space_res(
+ struct xfs_mount *mp,
+ unsigned int namelen)
+{
+ unsigned int ret;
+
+ ret = XFS_DIRENTER_SPACE_RES(mp, namelen);
+ if (xfs_has_parent(mp))
+ ret += xfs_parent_calc_space_res(mp, namelen);
+
+ return ret;
+}
diff --git a/libxfs/xfs_trans_space.h b/libxfs/xfs_trans_space.h
index 6cda87153..553963400 100644
--- a/libxfs/xfs_trans_space.h
+++ b/libxfs/xfs_trans_space.h
@@ -86,8 +86,6 @@
(2 * (mp)->m_alloc_maxlevels)
#define XFS_GROWFSRT_SPACE_RES(mp,b) \
((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
-#define XFS_LINK_SPACE_RES(mp,nl) \
- XFS_DIRENTER_SPACE_RES(mp,nl)
#define XFS_QM_DQALLOC_SPACE_RES(mp) \
(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
XFS_DQUOT_CLUSTER_SIZE_FSB)
@@ -107,5 +105,6 @@ unsigned int xfs_parent_calc_space_res(struct xfs_mount *mp,
unsigned int xfs_create_space_res(struct xfs_mount *mp, unsigned int namelen);
unsigned int xfs_mkdir_space_res(struct xfs_mount *mp, unsigned int namelen);
+unsigned int xfs_link_space_res(struct xfs_mount *mp, unsigned int namelen);
#endif /* __XFS_TRANS_SPACE_H__ */
