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NFS: Create an read_pageio_init() function

Telusuri Sumber 
pNFS needs to select a read function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing reads.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker
2012-06-20 15:53:47 -04:00
committed by Trond Myklebust
orang tua 6663ee7f81
melakukan 1abb50886a
8 mengubah file dengan 18 tambahan dan 23 penghapusan
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6
fs/nfs/pnfs.h
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@@ -178,7 +178,7 @@ extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp);
void get_layout_hdr(struct pnfs_layout_hdr *lo);
void put_lseg(struct pnfs_layout_segment *lseg);
bool pnfs_pageio_init_read(struct nfs_pageio_descriptor *, struct inode *,
void pnfs_pageio_init_read(struct nfs_pageio_descriptor *, struct inode *,
const struct nfs_pgio_completion_ops *);
bool pnfs_pageio_init_write(struct nfs_pageio_descriptor *, struct inode *,
int, const struct nfs_pgio_completion_ops *);
@@ -438,10 +438,10 @@ static inline void unset_pnfs_layoutdriver(struct nfs_server *s)
{
}
static inline bool pnfs_pageio_init_read(struct nfs_pageio_descriptor *pgio, struct inode *inode,
static inline void pnfs_pageio_init_read(struct nfs_pageio_descriptor *pgio, struct inode *inode,
const struct nfs_pgio_completion_ops *compl_ops)
{
return false;
nfs_pageio_init_read(pgio, inode, compl_ops);
}
static inline bool pnfs_pageio_init_write(struct nfs_pageio_descriptor *pgio, struct inode *inode, int ioflags,