entry in proc partitions

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Hi all
When i insmod my block driver for a compact flash that sits on a fpga based pci card, i could see the following in the /proc/partitons

[root@local xilinx_sysace]# cat /proc/partitions
major minor #blocks name rio rmerge rsect ruse wio wmerge wsect wuse running use aveq

254     0      31360 xsysacea 0 0 0 0 0 0 0 0 0 0 0
8 0 160836480 sda 4664 10662 117024 21520 3768 5083 71096 22470 0 19650 43990 8 1 48194968 sda1 4502 9883 115058 21110 3768 5083 71096 22470 0 19250 43580
  8     2    3068415 sda2 16 66 248 50 0 0 0 0 0 50 50
  8     3   29061585 sda3 10 38 96 80 0 0 0 0 0 80 80
  8     4          1 sda4 3 0 6 0 0 0 0 0 0 0 0
  8     5   40162468 sda5 10 38 96 70 0 0 0 0 0 70 70
  8     6   32129968 sda6 11 41 104 30 0 0 0 0 0 30 30
  8    16  160836480 sdb 93 439 1064 100 0 0 0 0 0 100 100
  8    17   36146218 sdb1 11 41 104 10 0 0 0 0 0 10 10
  8    18    3213000 sdb2 25 163 376 20 0 0 0 0 0 20 20
  8    19   36949500 sdb3 10 38 96 20 0 0 0 0 0 20 20
[root@local xilinx_sysace]#

"xsysace" is the device name .
File system in flash - FAT16
Number of partitions - 1
I want to know wether the zeroes in the entry are due to problem in flash file system format or due to the driver.
Anyone pl help me.


Thanks
Sudheer






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