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