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nfs: introduce pg_cleanup op for pgio descriptors

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Add a new operation to nfs_pageio_ops that is called on nfs_pageio_complete.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
This commit is contained in:
Weston Andros Adamson 2014-09-10 15:44:18 -04:00 • committed by Tom Haynes
parent c220106fb4
commit 2176bf4269
2 changed files with 5 additions and 1 deletions
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5
fs/nfs/pagelist.c
View file

@ -1050,7 +1050,7 @@ int nfs_pageio_resend(struct nfs_pageio_descriptor *desc,
EXPORT_SYMBOL_GPL(nfs_pageio_resend); EXPORT_SYMBOL_GPL(nfs_pageio_resend);
/** /**
* nfs_pageio_complete - Complete I/O on an nfs_pageio_descriptor * nfs_pageio_complete - Complete I/O then cleanup an nfs_pageio_descriptor
* @desc: pointer to io descriptor * @desc: pointer to io descriptor
*/ */
void nfs_pageio_complete(struct nfs_pageio_descriptor *desc) void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)
@ -1062,6 +1062,9 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)
if (!nfs_do_recoalesce(desc)) if (!nfs_do_recoalesce(desc))
break; break;
} }
if (desc->pg_ops->pg_cleanup)
desc->pg_ops->pg_cleanup(desc);
} }
/** /**

1
include/linux/nfs_page.h
View file

@ -58,6 +58,7 @@ struct nfs_pageio_ops {
size_t (*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *, size_t (*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *,
struct nfs_page *); struct nfs_page *);
int (*pg_doio)(struct nfs_pageio_descriptor *); int (*pg_doio)(struct nfs_pageio_descriptor *);
void (*pg_cleanup)(struct nfs_pageio_descriptor *);
}; };
struct nfs_rw_ops { struct nfs_rw_ops {