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Add initial rw_uio functions to the dmu

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These functions were dropped originally because I felt they would
need to be rewritten anyway to avoid using uios.  However, this
patch readds then with they dea they can just be reworked and
the uio bits dropped.
This commit is contained in:
Brian Behlendorf
2010-12-17 09:14:38 -08:00
parent b4ead57cfb
commit 872e8d2697
2 changed files with 117 additions and 5 deletions
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include/sys/dmu.h
+8 -2
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@@ -515,12 +515,18 @@ void dmu_prealloc(objset_t *os, uint64_t object, uint64_t offset, uint64_t size,
dmu_tx_t *tx);
#ifdef _KERNEL
int dmu_read_req(objset_t *os, uint64_t object, struct request *req);
int dmu_write_req(objset_t *os, uint64_t object, struct request *req, dmu_tx_t *tx);
#endif
int dmu_write_req(objset_t *os, uint64_t object, struct request *req,
dmu_tx_t *tx);
int dmu_read_uio(objset_t *os, uint64_t object, struct uio *uio, uint64_t size);
int dmu_write_uio(objset_t *os, uint64_t object, struct uio *uio, uint64_t size,
dmu_tx_t *tx);
int dmu_write_uio_dbuf(dmu_buf_t *zdb, struct uio *uio, uint64_t size,
dmu_tx_t *tx);
#ifdef HAVE_ZPL
int dmu_write_pages(objset_t *os, uint64_t object, uint64_t offset,
uint64_t size, struct page *pp, dmu_tx_t *tx);
#endif
#endif
struct arc_buf *dmu_request_arcbuf(dmu_buf_t *handle, int size);
void dmu_return_arcbuf(struct arc_buf *buf);
void dmu_assign_arcbuf(dmu_buf_t *handle, uint64_t offset, struct arc_buf *buf,