[LU-2240] implement index range lookup for osd-zfs.

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: HB ptr sequoia topsequoia zfs
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Di Wang

Description

ZFS needs a index range lookup for DNE.

Issue Links

• duplicates: LU-838 "lfs path2fid /mnt/lustre" (ROOT) returns inode number
• is duplicated by: LU-2773 remote directories cannot be removed by "rm -r"
• is duplicated by: LU-2754 rename from MDT1 to MDT0 sometimes appears to succeed but does not
• is related to: LU-2691 Interop 2.1.4<->2.4 failure on test suite sanity test_24u: error on ioctl 0x4008669a for '/mnt/lustre/f.sanity.24u' (3): No data available
• is related to: LU-1187 DNE Phase 1: Remote Directories
• is related to: LU-2236 Remove "DNE and FIDs on OST will not work with this backend" message