From: Allison Henderson <allison.henderson@xxxxxxxxxx>
Pass the attr value to put_listent when we have local xattrs or
shortform xattrs. This will enable the GETPARENTS ioctl to use
xfs_attr_list as its backend.
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/libxfs/xfs_attr.h | 5 +++--
fs/xfs/libxfs/xfs_attr_sf.h | 1 +
fs/xfs/xfs_attr_list.c | 8 +++++++-
fs/xfs/xfs_ioctl.c | 1 +
fs/xfs/xfs_xattr.c | 1 +
5 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
index d0ed7ea58ab0..d12583dd7eec 100644
--- a/fs/xfs/libxfs/xfs_attr.h
+++ b/fs/xfs/libxfs/xfs_attr.h
@@ -47,8 +47,9 @@ struct xfs_attrlist_cursor_kern {
/* void; state communicated via *context */
-typedef void (*put_listent_func_t)(struct xfs_attr_list_context *, int,
- unsigned char *, int, int);
+typedef void (*put_listent_func_t)(struct xfs_attr_list_context *context,
+ int flags, unsigned char *name, int namelen, void *value,
+ int valuelen);
struct xfs_attr_list_context {
struct xfs_trans *tp;
diff --git a/fs/xfs/libxfs/xfs_attr_sf.h b/fs/xfs/libxfs/xfs_attr_sf.h
index bc4422223024..73bdc0e55682 100644
--- a/fs/xfs/libxfs/xfs_attr_sf.h
+++ b/fs/xfs/libxfs/xfs_attr_sf.h
@@ -16,6 +16,7 @@ typedef struct xfs_attr_sf_sort {
uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */
xfs_dahash_t hash; /* this entry's hash value */
unsigned char *name; /* name value, pointer into buffer */
+ void *value;
} xfs_attr_sf_sort_t;
#define XFS_ATTR_SF_ENTSIZE_MAX /* max space for name&value */ \
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 9bc4b5322539..5c947e5ce8b8 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -92,6 +92,7 @@ xfs_attr_shortform_list(
sfe->flags,
sfe->nameval,
(int)sfe->namelen,
+ &sfe->nameval[sfe->namelen],
(int)sfe->valuelen);
/*
* Either search callback finished early or
@@ -138,6 +139,7 @@ xfs_attr_shortform_list(
sbp->name = sfe->nameval;
sbp->namelen = sfe->namelen;
/* These are bytes, and both on-disk, don't endian-flip */
+ sbp->value = &sfe->nameval[sfe->namelen],
sbp->valuelen = sfe->valuelen;
sbp->flags = sfe->flags;
sbp->hash = xfs_attr_hashval(dp->i_mount, sfe->flags,
@@ -192,6 +194,7 @@ xfs_attr_shortform_list(
sbp->flags,
sbp->name,
sbp->namelen,
+ sbp->value,
sbp->valuelen);
if (context->seen_enough)
break;
@@ -479,6 +482,7 @@ xfs_attr3_leaf_list_int(
*/
for (; i < ichdr.count; entry++, i++) {
char *name;
+ void *value;
int namelen, valuelen;
if (be32_to_cpu(entry->hashval) != cursor->hashval) {
@@ -496,6 +500,7 @@ xfs_attr3_leaf_list_int(
name_loc = xfs_attr3_leaf_name_local(leaf, i);
name = name_loc->nameval;
namelen = name_loc->namelen;
+ value = &name_loc->nameval[name_loc->namelen];
valuelen = be16_to_cpu(name_loc->valuelen);
} else {
xfs_attr_leaf_name_remote_t *name_rmt;
@@ -503,6 +508,7 @@ xfs_attr3_leaf_list_int(
name_rmt = xfs_attr3_leaf_name_remote(leaf, i);
name = name_rmt->name;
namelen = name_rmt->namelen;
+ value = NULL;
valuelen = be32_to_cpu(name_rmt->valuelen);
}
@@ -513,7 +519,7 @@ xfs_attr3_leaf_list_int(
return -EFSCORRUPTED;
}
context->put_listent(context, entry->flags,
- name, namelen, valuelen);
+ name, namelen, value, valuelen);
if (context->seen_enough)
break;
cursor->offset++;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index e30f9f40f086..7a2a5cf06a5c 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -310,6 +310,7 @@ xfs_ioc_attr_put_listent(
int flags,
unsigned char *name,
int namelen,
+ void *value,
int valuelen)
{
struct xfs_attrlist *alist = context->buffer;
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 1e82d11d980f..b43f7081b0f4 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -222,6 +222,7 @@ xfs_xattr_put_listent(
int flags,
unsigned char *name,
int namelen,
+ void *value,
int valuelen)
{
char *prefix;
