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authorAllison Henderson <allison.henderson@oracle.com>2024-04-22 09:47:49 -0700
committerDarrick J. Wong <djwong@kernel.org>2024-04-23 07:46:59 -0700
commitd2d18330f63cd70b50eddac76de7c59a36f2faa7 (patch)
tree4c07bcad45155d9daa9ceba685f8244b64756df0 /fs/xfs/libxfs
parentxfs: add parent attributes to symlink (diff)
downloadwireguard-linux-d2d18330f63cd70b50eddac76de7c59a36f2faa7.tar.xz
wireguard-linux-d2d18330f63cd70b50eddac76de7c59a36f2faa7.zip
xfs: remove parent pointers in unlink
This patch removes the parent pointer attribute during unlink Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> [djwong: adjust to new ondisk format, minor rebase fixes] Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r--fs/xfs/libxfs/xfs_parent.c22
-rw-r--r--fs/xfs/libxfs/xfs_parent.h3
-rw-r--r--fs/xfs/libxfs/xfs_trans_space.c13
-rw-r--r--fs/xfs/libxfs/xfs_trans_space.h3
4 files changed, 39 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_parent.c b/fs/xfs/libxfs/xfs_parent.c
index 65616cfc1a2b..6142e68f2338 100644
--- a/fs/xfs/libxfs/xfs_parent.c
+++ b/fs/xfs/libxfs/xfs_parent.c
@@ -205,3 +205,25 @@ xfs_parent_addname(
xfs_attr_defer_add(&ppargs->args, XFS_ATTR_DEFER_SET);
return 0;
}
+
+/* Remove a parent pointer to reflect a dirent removal. */
+int
+xfs_parent_removename(
+ struct xfs_trans *tp,
+ struct xfs_parent_args *ppargs,
+ struct xfs_inode *dp,
+ const struct xfs_name *parent_name,
+ struct xfs_inode *child)
+{
+ int error;
+
+ error = xfs_parent_iread_extents(tp, child);
+ if (error)
+ return error;
+
+ xfs_inode_to_parent_rec(&ppargs->rec, dp);
+ xfs_parent_da_args_init(&ppargs->args, tp, &ppargs->rec, child,
+ child->i_ino, parent_name);
+ xfs_attr_defer_add(&ppargs->args, XFS_ATTR_DEFER_REMOVE);
+ return 0;
+}
diff --git a/fs/xfs/libxfs/xfs_parent.h b/fs/xfs/libxfs/xfs_parent.h
index 6de24e3ef318..4a7fd48c226a 100644
--- a/fs/xfs/libxfs/xfs_parent.h
+++ b/fs/xfs/libxfs/xfs_parent.h
@@ -81,5 +81,8 @@ xfs_parent_finish(
int xfs_parent_addname(struct xfs_trans *tp, struct xfs_parent_args *ppargs,
struct xfs_inode *dp, const struct xfs_name *parent_name,
struct xfs_inode *child);
+int xfs_parent_removename(struct xfs_trans *tp, struct xfs_parent_args *ppargs,
+ struct xfs_inode *dp, const struct xfs_name *parent_name,
+ struct xfs_inode *child);
#endif /* __XFS_PARENT_H__ */
diff --git a/fs/xfs/libxfs/xfs_trans_space.c b/fs/xfs/libxfs/xfs_trans_space.c
index c8adda82debe..df729e4f1a4c 100644
--- a/fs/xfs/libxfs/xfs_trans_space.c
+++ b/fs/xfs/libxfs/xfs_trans_space.c
@@ -81,3 +81,16 @@ xfs_symlink_space_res(
return ret;
}
+
+unsigned int
+xfs_remove_space_res(
+ struct xfs_mount *mp,
+ unsigned int namelen)
+{
+ unsigned int ret = XFS_DIRREMOVE_SPACE_RES(mp);
+
+ if (xfs_has_parent(mp))
+ ret += xfs_parent_calc_space_res(mp, namelen);
+
+ return ret;
+}
diff --git a/fs/xfs/libxfs/xfs_trans_space.h b/fs/xfs/libxfs/xfs_trans_space.h
index 354ad1d6e18d..a4490813c56f 100644
--- a/fs/xfs/libxfs/xfs_trans_space.h
+++ b/fs/xfs/libxfs/xfs_trans_space.h
@@ -91,8 +91,6 @@
XFS_DQUOT_CLUSTER_SIZE_FSB)
#define XFS_QM_QINOCREATE_SPACE_RES(mp) \
XFS_IALLOC_SPACE_RES(mp)
-#define XFS_REMOVE_SPACE_RES(mp) \
- 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_IFREE_SPACE_RES(mp) \
@@ -106,5 +104,6 @@ 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);
+unsigned int xfs_remove_space_res(struct xfs_mount *mp, unsigned int namelen);
#endif /* __XFS_TRANS_SPACE_H__ */