summaryrefslogtreecommitdiff
path: root/devio/io.c
diff options
context:
space:
mode:
authorMiles Bader <miles@gnu.org>1995-12-04 22:01:16 +0000
committerMiles Bader <miles@gnu.org>1995-12-04 22:01:16 +0000
commitc848cecdb5cd147cba9040232a72b482d5896bb6 (patch)
tree11db71fd2e239b3c2ece7f6e4271fd2f49311fa1 /devio/io.c
parent7f040686cfa4a84f16ca1d0404bdc2f7371b50af (diff)
(trivfs_S_file_set_size, trivfs_S_file_sync,
trivfs_S_file_syncfs, trivfs_S_file_get_storage_info): Add totally gratuitous, annoying, and trouble-making reply-port args. (trivfs_S_file_get_storage_info): Use inline return if possible.
Diffstat (limited to 'devio/io.c')
-rw-r--r--devio/io.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/devio/io.c b/devio/io.c
index 840daaeb..7d8dec41 100644
--- a/devio/io.c
+++ b/devio/io.c
@@ -184,7 +184,9 @@ trivfs_S_io_write (struct trivfs_protid *cred,
/* Truncate file. */
kern_return_t
-trivfs_S_file_set_size (struct trivfs_protid *cred, off_t size)
+trivfs_S_file_set_size (struct trivfs_protid *cred,
+ mach_port_t reply, mach_msg_type_name_t reply_type,
+ off_t size)
{
if (!cred)
return EOPNOTSUPP;
@@ -294,7 +296,9 @@ trivfs_S_io_mod_owner (struct trivfs_protid *cred,
device. */
kern_return_t
-trivfs_S_file_sync (struct trivfs_protid *cred, int wait)
+trivfs_S_file_sync (struct trivfs_protid *cred,
+ mach_port_t reply, mach_msg_type_name_t reply_type,
+ int wait)
{
if (cred)
return dev_sync (((struct open *)cred->po->hook)->dev, wait);
@@ -303,7 +307,9 @@ trivfs_S_file_sync (struct trivfs_protid *cred, int wait)
}
kern_return_t
-trivfs_S_file_syncfs (struct trivfs_protid *cred, int wait, int dochildren)
+trivfs_S_file_syncfs (struct trivfs_protid *cred,
+ mach_port_t reply, mach_msg_type_name_t reply_type,
+ int wait, int dochildren)
{
if (!cred)
return dev_sync (((struct open *)cred->po->hook)->dev, wait);
@@ -314,7 +320,10 @@ trivfs_S_file_syncfs (struct trivfs_protid *cred, int wait, int dochildren)
/* ---------------------------------------------------------------- */
error_t
-trivfs_S_file_get_storage_info (struct trivfs_protid *cred, int *class,
+trivfs_S_file_get_storage_info (struct trivfs_protid *cred,
+ mach_port_t reply,
+ mach_msg_type_name_t reply_type,
+ int *class,
off_t **runs, unsigned *runs_len,
size_t *block_size,
char *dev_name, mach_port_t *dev_port,
@@ -322,15 +331,22 @@ trivfs_S_file_get_storage_info (struct trivfs_protid *cred, int *class,
char **misc, unsigned *misc_len,
int *flags)
{
- error_t err;
+ error_t err = 0;
+
if (!cred)
err = EOPNOTSUPP;
else
{
struct dev *dev = ((struct open *)cred->po->hook)->dev;
- err = vm_allocate (mach_task_self (),
- (vm_address_t *)runs, 2 * sizeof (off_t), 1);
+ if (*runs_len < 2 * sizeof (off_t))
+ {
+ *runs_len = 2 * sizeof (off_t);
+ err =
+ vm_allocate (mach_task_self (),
+ (vm_address_t *)runs, *runs_len, 1);
+ }
+
if (!err)
{
*class = STORAGE_DEVICE;
@@ -353,5 +369,6 @@ trivfs_S_file_get_storage_info (struct trivfs_protid *cred, int *class,
*misc_len = 0;
}
}
+
return err;
}