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Adds reading pages into page-cache in an ordered manner.

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Added reading pages from the page cache into user buffer for sys_read.
Increases stack sizes to 4 pages.
Updated README to include more details about multi-pager environments.
This commit is contained in:
Bahadir Balban
2008-02-27 01:17:36 +00:00
parent 2a5cdf80b5
commit 0c9b42121a
9 changed files with 144 additions and 76 deletions
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10
tasks/fs0/src/syscalls.c
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@@ -113,15 +113,7 @@ int sys_open(l4id_t sender, const char *pathname, int flags, unsigned int mode)
int sys_close(l4id_t sender, int fd)
{
struct vnode *v;
/* Get the task */
BUG_ON(!(task = find_task(sender)));
/* Lookup vnode */
if (!(v = vfs_lookup_byvnum(vfs_root.pivot->sb, vnum)))
return -EINVAL; /* No such vnode */
return 0;
}
int sys_mkdir(l4id_t sender, const char *pathname, unsigned int mode)