Oddities with chunk sizes

[johnramsden]

With chunk size > 512K, we cannot write at all and zone stays in EMPTY state.

512K breaks eventually.

64K, 128K seems fine.

This could potentially be exceeding the size we can write at. Or it could be something else.

[johnramsden]

After 512:

SLBA: 0          WP: 0x12080    Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ                     
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x80000    WP: 0x92080    Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x100000   WP: 0x112080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x180000   WP: 0x192080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x200000   WP: 0x212080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x280000   WP: 0x292080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x300000   WP: 0x312080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x380000   WP: 0x392080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x400000   WP: 0x412080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x480000   WP: 0x492080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x500000   WP: 0x512080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x580000   WP: 0x592080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x600000   WP: 0x612080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x680000   WP: 0x692080   Cap: 0x43500    State: CLOSED       Type: SEQWRITE_REQ                     
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x700000   WP: 0x700000   Cap: 0x43500    State: EMPTY        Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x780000   WP: 0x780000   Cap: 0x43500    State: EMPTY        Type: SEQWRITE_REQ  
Attrs: Zone Descriptor Extension is Not Vaild                                                              
SLBA: 0x800000   WP: 0x800000   Cap: 0x43500    State: EMPTY        Type: SEQWRITE_REQ