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test: move UA drain helper function into iscsi-support

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test_iscsi_tur_until_good() dispatches TUR requests until the target has
cleared all UAs for the given sd, or the maximum number of retries is
reached.
This helper function is useful for any test that needs to deal with UAs
(e.g. PRs), so should be moved out into common code.

Signed-off-by: David Disseldorp <ddiss@suse.de>
This commit is contained in:
David Disseldorp
2015-09-28 14:33:14 +02:00
parent 760ae95d9c
commit a1d11eb0f9
3 changed files with 36 additions and 30 deletions
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test-tool/iscsi-support.h
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@@ -336,4 +336,5 @@ int populate_seg_desc_hdr(unsigned char *hdr, enum ec_descr_type_code desc_type,
int populate_seg_desc_b2b(unsigned char *desc, int dc, int cat, int src_index, int dst_index, int num_blks, uint64_t src_lba, uint64_t dst_lba);
void populate_param_header(unsigned char *buf, int list_id, int str, int list_id_usage, int prio, int tgt_desc_len, int seg_desc_len, int inline_data_len);
int receive_copy_results(struct scsi_device *sdev, enum scsi_copy_results_sa sa, int list_id, void **datap, int status, enum scsi_sense_key key, int *ascq, int num_ascq);
int test_iscsi_tur_until_good(struct scsi_device *iscsi_sd, int *num_uas);
#endif /* _ISCSI_SUPPORT_H_ */