st: increase maximum number of tapes beyond 128
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Patches in v3 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/5 | st: Use static class attributesdrivers/ | +33 | 0 replies | |
| 2/5 | st: clean up dev cleanup in st_probedrivers/ | +4 | 0 replies | |
| 3/5 | st: get rid of scsi_tapes arraydrivers/ drivers/ | +65 | 4 replies | |
| 4/5 | st: clean up device file creation and removaldrivers/ | +91 | 0 replies | |
| 5/5 | st: raise device limitdrivers/ | +1 | 0 replies |
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Cover letter [PATCH v3 0/5] st: increase maximum number of tapes beyond 128
This patch set increases the maximum number of tape drives. The device limit of 128 tape drives was established in 2003 as a significant increase from the 8 tape drives allowed previously.
We have seen many Linux sites that, between a large number of tape drives and multipathing, are discovering more than 128 devices and are running into problems.
This patch set cleans up some st code that made increasing the number of drives costly, then actually increases the maximum number from 128 to 2^17 devices (based on the current code).
This patch set is based off of the scsi git tree.
Jeff Mahoney (5):
st: Use static class attributes
st: clean up dev cleanup in st_probe
st: get rid of scsi_tapes array
st: clean up device file creation and removal
st: raise device limit
drivers/scsi/st.c | 404 ++++++++++++++++++++++------------------------------- drivers/scsi/st.h | 4 +- 2 files changed, 169 insertions(+), 239 deletions(-)
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1.7.9.2