[LU-17042] e2freefrag say "Inappropriate ioctl for device while calling fsmap"

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.16.0
• Severity: 3

Epic

e2fsprogs

• Assignee: Dongyang Li
• Reporter: Shuichi Ihara

Description

Tested on RHEL8.7 patched kernel.

# e2freefrag /dev/sda 
Device: /dev/sda
Blocksize: 4096 bytes
/dev/sda: Inappropriate ioctl for device while calling fsmap
Total blocks: 7482638336
Free blocks: 7452679685 (99.6%)

Min. free extent: 4 KB 
Max. free extent: 135160 KB
Avg. free extent: 4624 KB
Num. free extent: 215369

HISTOGRAM OF FREE EXTENT SIZES:
Extent Size Range :  Free extents   Free Blocks  Percent
    4K...    8K-  :           386           386    0.00%
    8K...   16K-  :           247           598    0.00%
   16K...   32K-  :            89           443    0.00%
   32K...   64K-  :            23           215    0.00%
  256K...  512K-  :          1813        222094    0.00%
    1M...    2M-  :           292        111545    0.00%
    2M...    4M-  :          2995       2821591    0.04%
    4M...    8M-  :        208582     215511377    2.89%
    8M...   16M-  :            23         59123    0.00%
   64M...  128M-  :           494      16100776    0.22%
  128M...  256M-  :           425      14159177    0.19%