On Fri, Nov 29, 2024 at 11:29 PM Max Kellermann <max.kellermann@xxxxxxxxx> wrote: > I have encountered multiple hangs with that branch; for example: Similar hangs wth 6.12.2 (vanilla without your "netfs-writeback" branch): [<0>] folio_wait_bit_common+0x23a/0x4f0 [<0>] folio_wait_private_2+0x37/0x70 [<0>] netfs_invalidate_folio+0x168/0x520 [<0>] truncate_cleanup_folio+0x281/0x340 [<0>] truncate_inode_pages_range+0x1bb/0x780 [<0>] ceph_evict_inode+0x17e/0x6b0 [<0>] evict+0x331/0x780 [<0>] __dentry_kill+0x17b/0x4f0 [<0>] dput+0x2a6/0x4a0 [<0>] __fput+0x36d/0x910 [<0>] __x64_sys_close+0x78/0xd0 [<0>] do_syscall_64+0x64/0x100 [<0>] entry_SYSCALL_64_after_hwframe+0x76/0x7e netfs in 6.12 remains pretty broken, both with and without your fixes. The sad thing is that 6.11 has just been EOLed. Linux 6.6 is the only sane kernel.
