Instead of converting from one style of arguments to another in
xfs_attr_set, pass the structure from higher up in the call chain.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Chandan Rajendra <chandanrlinux@xxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Allison Collins <allison.henderson@xxxxxxxxxx>
---
libxfs/xfs_attr.c | 80 ++++++++++++++++---------------------------------------
libxfs/xfs_attr.h | 4 +--
2 files changed, 24 insertions(+), 60 deletions(-)
diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
index bc64e92..9aead7c 100644
--- a/libxfs/xfs_attr.c
+++ b/libxfs/xfs_attr.c
@@ -56,26 +56,6 @@ STATIC int xfs_attr_node_removename(xfs_da_args_t *args);
STATIC int xfs_attr_fillstate(xfs_da_state_t *state);
STATIC int xfs_attr_refillstate(xfs_da_state_t *state);
-
-STATIC int
-xfs_attr_args_init(
- struct xfs_da_args *args,
- struct xfs_inode *dp,
- const unsigned char *name,
- size_t namelen,
- int flags)
-{
- memset(args, 0, sizeof(*args));
- args->geo = dp->i_mount->m_attr_geo;
- args->whichfork = XFS_ATTR_FORK;
- args->dp = dp;
- args->flags = flags;
- args->name = name;
- args->namelen = namelen;
- args->hashval = xfs_da_hashname(args->name, args->namelen);
- return 0;
-}
-
int
xfs_inode_hasattr(
struct xfs_inode *ip)
@@ -115,15 +95,15 @@ xfs_attr_get_ilocked(
/*
* Retrieve an extended attribute by name, and its value if requested.
*
- * If ATTR_KERNOVAL is set in @flags, then the caller does not want the value,
- * just an indication whether the attribute exists and the size of the value if
- * it exists. The size is returned in @valuelenp,
+ * If ATTR_KERNOVAL is set in args->flags, then the caller does not want the
+ * value, just an indication whether the attribute exists and the size of the
+ * value if it exists. The size is returned in args.valuelen.
*
* If the attribute is found, but exceeds the size limit set by the caller in
- * @valuelenp, return -ERANGE with the size of the attribute that was found in
- * @valuelenp.
+ * args->valuelen, return -ERANGE with the size of the attribute that was found
+ * in args->valuelen.
*
- * If ATTR_ALLOC is set in @flags, allocate the buffer for the value after
+ * If ATTR_ALLOC is set in args->flags, allocate the buffer for the value after
* existence of the attribute has been determined. On success, return that
* buffer to the caller and leave them to free it. On failure, free any
* allocated buffer and ensure the buffer pointer returned to the caller is
@@ -131,51 +111,37 @@ xfs_attr_get_ilocked(
*/
int
xfs_attr_get(
- struct xfs_inode *ip,
- const unsigned char *name,
- size_t namelen,
- unsigned char **value,
- int *valuelenp,
- int flags)
+ struct xfs_da_args *args)
{
- struct xfs_da_args args;
uint lock_mode;
int error;
- ASSERT((flags & (ATTR_ALLOC | ATTR_KERNOVAL)) || *value);
+ ASSERT((args->flags & (ATTR_ALLOC | ATTR_KERNOVAL)) || args->value);
- XFS_STATS_INC(ip->i_mount, xs_attr_get);
+ XFS_STATS_INC(args->dp->i_mount, xs_attr_get);
- if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+ if (XFS_FORCED_SHUTDOWN(args->dp->i_mount))
return -EIO;
- error = xfs_attr_args_init(&args, ip, name, namelen, flags);
- if (error)
- return error;
+ args->geo = args->dp->i_mount->m_attr_geo;
+ args->whichfork = XFS_ATTR_FORK;
+ args->hashval = xfs_da_hashname(args->name, args->namelen);
/* Entirely possible to look up a name which doesn't exist */
- args.op_flags = XFS_DA_OP_OKNOENT;
- if (flags & ATTR_ALLOC)
- args.op_flags |= XFS_DA_OP_ALLOCVAL;
- else
- args.value = *value;
- args.valuelen = *valuelenp;
+ args->op_flags = XFS_DA_OP_OKNOENT;
+ if (args->flags & ATTR_ALLOC)
+ args->op_flags |= XFS_DA_OP_ALLOCVAL;
- lock_mode = xfs_ilock_attr_map_shared(ip);
- error = xfs_attr_get_ilocked(ip, &args);
- xfs_iunlock(ip, lock_mode);
- *valuelenp = args.valuelen;
+ lock_mode = xfs_ilock_attr_map_shared(args->dp);
+ error = xfs_attr_get_ilocked(args->dp, args);
+ xfs_iunlock(args->dp, lock_mode);
/* on error, we have to clean up allocated value buffers */
- if (error) {
- if (flags & ATTR_ALLOC) {
- kmem_free(args.value);
- *value = NULL;
- }
- return error;
+ if (error && (args->flags & ATTR_ALLOC)) {
+ kmem_free(args->value);
+ args->value = NULL;
}
- *value = args.value;
- return 0;
+ return error;
}
/*
diff --git a/libxfs/xfs_attr.h b/libxfs/xfs_attr.h
index 07ca543..be77d13 100644
--- a/libxfs/xfs_attr.h
+++ b/libxfs/xfs_attr.h
@@ -146,9 +146,7 @@ int xfs_attr_list_int_ilocked(struct xfs_attr_list_context *);
int xfs_attr_list_int(struct xfs_attr_list_context *);
int xfs_inode_hasattr(struct xfs_inode *ip);
int xfs_attr_get_ilocked(struct xfs_inode *ip, struct xfs_da_args *args);
-int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name,
- size_t namelen, unsigned char **value, int *valuelenp,
- int flags);
+int xfs_attr_get(struct xfs_da_args *args);
int xfs_attr_set(struct xfs_da_args *args);
int xfs_attr_set_args(struct xfs_da_args *args);
int xfs_attr_remove_args(struct xfs_da_args *args);
--
2.7.4
