NFS: Clean up nfs_create_request comments

Remove some stale comments about hard limits which went away in 2.5.

Signed-off-by: Jason Uhlenkott <juhlenko@akamai.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Jason Uhlenkott 2007-04-26 17:25:51 -07:00 committed by Trond Myklebust
parent 61322b3013
commit a19b89cad5

View file

@ -51,9 +51,7 @@ nfs_page_free(struct nfs_page *p)
* @count: number of bytes to read/write
*
* The page must be locked by the caller. This makes sure we never
* create two different requests for the same page, and avoids
* a possible deadlock when we reach the hard limit on the number
* of dirty pages.
* create two different requests for the same page.
* User should ensure it is safe to sleep in this function.
*/
struct nfs_page *
@ -64,16 +62,12 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_page *req;
/* Deal with hard limits. */
for (;;) {
/* try to allocate the request struct */
req = nfs_page_alloc();
if (req != NULL)
break;
/* Try to free up at least one request in order to stay
* below the hard limit
*/
if (signalled() && (server->flags & NFS_MOUNT_INTR))
return ERR_PTR(-ERESTARTSYS);
yield();