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pNFS: Enable per-layout segment commit structures

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Enable adding and lookup of per-layout segment commits in filelayout
and flexfilelayout.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-03-20 18:34:33 -04:00
parent a9901899b6
commit ba827c9abb
4 changed files with 117 additions and 6 deletions
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6
fs/nfs/pnfs.h
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@ -150,6 +150,8 @@ struct pnfs_layoutdriver_type {
const struct nfs_pageio_ops *pg_write_ops;
struct pnfs_ds_commit_info *(*get_ds_info) (struct inode *inode);
void (*setup_ds_info)(struct pnfs_ds_commit_info *,
struct pnfs_layout_segment *);
void (*release_ds_info)(struct pnfs_ds_commit_info *,
struct inode *inode);
void (*mark_request_commit) (struct nfs_page *req,
@ -371,6 +373,10 @@ void nfs4_deviceid_purge_client(const struct nfs_client *);
/* pnfs_nfs.c */
struct pnfs_commit_array *pnfs_alloc_commit_array(size_t n, gfp_t gfp_flags);
void pnfs_free_commit_array(struct pnfs_commit_array *p);
struct pnfs_commit_array *pnfs_add_commit_array(struct pnfs_ds_commit_info *,
struct pnfs_commit_array *,
struct pnfs_layout_segment *);
void pnfs_generic_ds_cinfo_release_lseg(struct pnfs_ds_commit_info *fl_cinfo,
struct pnfs_layout_segment *lseg);
void pnfs_generic_ds_cinfo_destroy(struct pnfs_ds_commit_info *fl_cinfo);