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pnfs: update layout state on layoutget/return/recall

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on a successful LAYOUTGET, file_layout_fetch() calls layout_update() to copy the first layout segment returned and update the layout stateid
on a successful LAYOUTRETURN, file_layout_return() frees the layout segment and updates/clears the stateid

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2011-03-09 13:54:35 -05:00 • committed by unknown
parent 159ad405bb
commit 8c3da98cde
3 changed files with 233 additions and 113 deletions
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10
daemon/pnfs.h
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@ -249,16 +249,16 @@ enum pnfs_status pnfs_layout_list_create(
void pnfs_layout_list_free(
IN struct pnfs_layout_list *layouts);
enum pnfs_status pnfs_open_state_layout(
enum pnfs_status pnfs_layout_state_open(
IN struct pnfs_layout_list *layouts,
IN struct __nfs41_session *session,
IN struct __nfs41_open_state *state,
IN enum pnfs_iomode iomode,
IN uint64_t offset,
IN uint64_t length,
OUT pnfs_file_layout **layout_out);
OUT pnfs_layout_state **layout_out);
void pnfs_open_state_close(
void pnfs_layout_state_close(
IN struct __nfs41_session *session,
IN struct __nfs41_open_state *state,
IN bool_t remove);
@ -268,10 +268,10 @@ enum pnfs_status pnfs_file_layout_recall(
IN const struct cb_layoutrecall_args *recall);
enum pnfs_status pnfs_layout_io_start(
IN pnfs_file_layout *layout);
IN pnfs_layout_state *state);
void pnfs_layout_io_finished(
IN pnfs_file_layout *layout);
IN pnfs_layout_state *state);
__inline int is_dense(