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Fixed minor faults during close path.

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FIXME:
write/close/open/read sequence does not read the initially written data.
Investigate.
This commit is contained in:
Bahadir Balban
2008-05-23 05:42:26 +00:00
parent 6be310f460
commit fd787479c3
6 changed files with 99 additions and 12 deletions
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19
tasks/mm0/src/file.c
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@@ -146,7 +146,7 @@ int vfs_receive_sys_open(l4id_t sender, l4id_t opener, int fd,
/*
* Inserts the page to vmfile's list in order of page frame offset.
* We use an ordered list instead of a radix or btree for now.
* We use an ordered list instead of a better data structure for now.
*/
int insert_page_olist(struct page *this, struct vm_object *vmo)
{
@@ -321,7 +321,7 @@ int flush_file_pages(struct vm_file *f)
return 0;
}
/* Given a task and fd syncs all IO on it */
/* Given a task and fd, syncs all IO on it */
int fsync_common(l4id_t sender, int fd)
{
struct vm_file *f;
@@ -352,6 +352,8 @@ int fd_close(l4id_t sender, int fd)
/* Get the task */
BUG_ON(!(task = find_task(sender)));
printf("%s: Closing fd: %d on task %d\n", __FUNCTION__,
fd, task->tid);
if ((err = vfs_close(task->tid, fd)) < 0)
return err;
@@ -364,16 +366,21 @@ int fd_close(l4id_t sender, int fd)
int sys_close(l4id_t sender, int fd)
{
int err;
int retval;
/* Sync the file and update stats */
if ((err = fsync_common(sender, fd)) < 0) {
l4_ipc_return(err);
if ((retval = fsync_common(sender, fd)) < 0) {
l4_ipc_return(retval);
return 0;
}
/* Close the file descriptor. */
return fd_close(sender, fd);
retval = fd_close(sender, fd);
printf("%s: Closed fd %d. Returning %d\n",
__TASKNAME__, fd, retval);
l4_ipc_return(retval);
return 0;
}
int sys_fsync(l4id_t sender, int fd)