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Add support for VFS-FS transaction IDs

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This commit is contained in:
Thomas Veerman
2011-07-27 15:49:42 +00:00
parent ece4c9d565
commit 7588db2691
10 changed files with 124 additions and 31 deletions
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servers/ext2/main.c
+14 -1
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@@ -46,7 +46,7 @@ PUBLIC int main(int argc, char *argv[])
* three major activities: getting new work, processing the work, and
* sending the reply. The loop never terminates, unless a panic occurs.
*/
int error, ind;
int error, ind, transid;
unsigned short test_endian = 1;
/* SEF local startup. */
@@ -64,6 +64,15 @@ PUBLIC int main(int argc, char *argv[])
/* Wait for request message. */
get_work(&fs_m_in);
transid = TRNS_GET_ID(fs_m_in.m_type);
fs_m_in.m_type = TRNS_DEL_ID(fs_m_in.m_type);
if (fs_m_in.m_type == 0) {
assert(!IS_VFS_FS_TRANSID(transid));
fs_m_in.m_type = transid; /* Backwards compat. */
transid = 0;
} else
assert(IS_VFS_FS_TRANSID(transid));
src = fs_m_in.m_source;
error = OK;
caller_uid = INVAL_UID; /* To trap errors */
@@ -85,6 +94,10 @@ PUBLIC int main(int argc, char *argv[])
}
fs_m_out.m_type = error;
if (IS_VFS_FS_TRANSID(transid)) {
/* If a transaction ID was set, reset it */
fs_m_out.m_type = TRNS_ADD_ID(fs_m_out.m_type, transid);
}
reply(src, &fs_m_out);
if (error == OK)