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NFSv4.1: shift pnfs_update_layout locations

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Move the pnfs_update_layout call location to nfs_pageio_do_add_request().
Grab the lseg sent in the doio function to nfs_read_rpcsetup and attach
it to each nfs_read_data so it can be sent to the layout driver.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Tao Guo <guotao@nrchpc.ac.cn>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman 2011-03-01 01:34:15 +00:00 • committed by Trond Myklebust
parent 94ad1c80e2
commit bae724ef95
8 changed files with 52 additions and 38 deletions
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4
include/linux/nfs_page.h
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@ -59,7 +59,7 @@ struct nfs_pageio_descriptor {
unsigned int pg_base;
struct inode *pg_inode;
int (*pg_doio)(struct inode *, struct list_head *, unsigned int, size_t, int);
int (*pg_doio)(struct inode *, struct list_head *, unsigned int, size_t, int, struct pnfs_layout_segment *);
int pg_ioflags;
int pg_error;
struct pnfs_layout_segment *pg_lseg;
@ -81,7 +81,7 @@ extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *dst,
pgoff_t idx_start, unsigned int npages, int tag);
extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
struct inode *inode,
int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),
int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int, struct pnfs_layout_segment *),
size_t bsize,
int how);
extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *,