LU-18080 ldiskfs: add NO_CHECKS flags for ext4_iget

LU-18080 ldiskfs: add NO_CHECKS flags for ext4_iget

Since v6.4-rc4-1-gb3e6bcb94590, the upstream kernel introduced
a strict checking of EXT4_IGET_EA_INODE and it has to match the
EXT4_EA_INODE_FL from the inode.

This creates a problem for osd scrub as we iterate over the inodes
according to bitmap we have no idea if the inode is an ea_inode or
not.

Add a new flag EXT4_IGET_NO_CHECKS and relax the strict checking
when the flag is used.

Cleanup osd_ldiskfs_iget_special(), the caller of osd_iget() now are
passing in the additional flags to ext4_iget().

Test-Parameters: trivial
Test-Parameters: fstype=ldiskfs serverdistro=el9.4 testlist=conf-sanity env=ONLY=32a
Signed-off-by: Li Dongyang <dongyangli@ddn.com>
Change-Id: I43c8da68b06c5592e197dd3b5e3f4f7c842cf7c4
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55896
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Shuichi Ihara <sihara@ddn.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Li Xi <lixi@ddn.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>