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NFS: Add nfs_set_page_dirty()

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We will want to allow nfs_writepage() to distinguish between pages that
have been marked as dirty by the VM, and those that have been marked as
dirty by nfs_updatepage().
In the former case, the entire page will want to be written out, and so any
requests that were pending need to be flushed out first.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2006-12-05 00:35:40 -05:00
parent 200baa2112
commit 1a54533ec8
4 changed files with 39 additions and 14 deletions
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include/linux/nfs_fs.h
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@ -427,6 +427,7 @@ extern int nfs_flush_incompatible(struct file *file, struct page *page);
extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int);
extern int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
extern void nfs_writedata_release(void *);
extern int nfs_set_page_dirty(struct page *);
/*
* Try to write back everything synchronously (but check the