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pnfs: readwrite uses pnfs_layout_state

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nfs41_lock_stateid_arg() is now called only once in handle_read()/handle_write(), and pnfs_read()/pnfs_write() no longer depend on nfs41_open_state

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2011-03-10 12:37:28 -05:00 • committed by unknown
parent 8c3da98cde
commit c9585d937f
5 changed files with 87 additions and 69 deletions
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15
daemon/pnfs.h
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@ -207,10 +207,13 @@ typedef struct __pnfs_layout_recall {
/* io */
struct __stateid_arg;
typedef struct __pnfs_io_pattern {
struct __pnfs_io_thread *threads;
struct __nfs41_root *root;
struct __nfs41_open_state *state;
nfs41_path_fh *meta_file;
const struct __stateid_arg *stateid;
pnfs_layout_state *state;
pnfs_file_layout *layout;
unsigned char *buffer;
uint64_t offset_start;
@ -351,8 +354,9 @@ __inline uint32_t data_server_index(
enum pnfs_status pnfs_read(
IN struct __nfs41_root *root,
IN struct __nfs41_session *session,
IN struct __nfs41_open_state *state,
IN pnfs_file_layout *layout,
IN nfs41_path_fh *meta_file,
IN const struct __stateid_arg *stateid,
IN pnfs_layout_state *layout,
IN uint64_t offset,
IN uint64_t length,
OUT unsigned char *buffer_out,
@ -361,8 +365,9 @@ enum pnfs_status pnfs_read(
enum pnfs_status pnfs_write(
IN struct __nfs41_root *root,
IN struct __nfs41_session *session,
IN struct __nfs41_open_state *state,
IN pnfs_file_layout *layout,
IN nfs41_path_fh *meta_file,
IN const struct __stateid_arg *stateid,
IN pnfs_layout_state *layout,
IN uint64_t offset,
IN uint64_t length,
IN unsigned char *buffer,