[PATCH 07/30] xfs: add parent attributes to symlink

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From: Allison Henderson <allison.henderson@xxxxxxxxxx>

This patch modifies xfs_symlink to add a parent pointer to the inode.

Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
[djwong: minor rebase fixups]
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 libxfs/xfs_trans_space.c |   17 +++++++++++++++++
 libxfs/xfs_trans_space.h |    4 ++--
 2 files changed, 19 insertions(+), 2 deletions(-)


diff --git a/libxfs/xfs_trans_space.c b/libxfs/xfs_trans_space.c
index 039bbd91e87..bf4a41492c2 100644
--- a/libxfs/xfs_trans_space.c
+++ b/libxfs/xfs_trans_space.c
@@ -64,3 +64,20 @@ xfs_link_space_res(
 
 	return ret;
 }
+
+unsigned int
+xfs_symlink_space_res(
+	struct xfs_mount	*mp,
+	unsigned int		namelen,
+	unsigned int		fsblocks)
+{
+	unsigned int		ret;
+
+	ret = XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp, namelen) +
+			fsblocks;
+
+	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 5539634009f..354ad1d6e18 100644
--- a/libxfs/xfs_trans_space.h
+++ b/libxfs/xfs_trans_space.h
@@ -95,8 +95,6 @@
 	XFS_DIRREMOVE_SPACE_RES(mp)
 #define	XFS_RENAME_SPACE_RES(mp,nl)	\
 	(XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
-#define	XFS_SYMLINK_SPACE_RES(mp,nl,b)	\
-	(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
 #define XFS_IFREE_SPACE_RES(mp)		\
 	(xfs_has_finobt(mp) ? M_IGEO(mp)->inobt_maxlevels : 0)
 
@@ -106,5 +104,7 @@ 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);
+unsigned int xfs_symlink_space_res(struct xfs_mount *mp, unsigned int namelen,
+		unsigned int fsblocks);
 
 #endif	/* __XFS_TRANS_SPACE_H__ */




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