[LU-19837] Compatibility updates for kernel v6.19

• Type: Bug
• Resolution: Fixed
• Priority: Medium
• Fix Version/s: Lustre 2.18.0
• Severity: 3
• Assignee: Shaun Tancheff
• Reporter: Shaun Tancheff

Description

Linux commit v6.18-rc1-6-ge12d203b8c880
vfs: allow mkdir to wait for delegation break on parent
Provide a compatible vfs_mkdir for older kernels

Linux commit v6.18-rc1-7-gd8753f788ab49
fs: provide accessors for ->i_state
Provide a compatible inode_state_read() for older kernels

Linux commit v6.18-rc1-10-gc826229c6a82f
vfs: make vfs_create break delegations on parent directory
Provide a compatible vfs_create for older kernels

Linux commit v6.18-rc1-18-gb37491d72b43c
interval_tree: Fix ITSTATIC usage for *_subtree_search()
Provide an alternate configure test for INTERVAL_TREE_DEFINE

Linux commit v6.18-rc1-20-ga27628f436343
fs: rework I_NEW handling to operate without fences
Provide a compatible ilookup5_nowait for older kernels

Linux commit v6.18-rc2-1-g70e0a80a1f358
treewide: Remove in_irq()
Use in_hardirq() directly

Linux commit v6.18-rc3-603-gbf33247a90d3e
net: Add struct sockaddr_unsized for sockaddr of unknown length
Provide a mapping of sockaddr_unsized to sockaddr for older kernels

Linux commit v6.18-rc5-51-gfc45aee662232
get rid of kill_litter_super()
Use kill_anon_super() when kill_litter_super() not available