Auke Kok 8cb08507d6 Do not copy to user while holding locks in scoutfs_data_fiemap() ...

Now that we support mmap writes, at any point in time we could
pagefault and lock for writes. That means - just like readdir -
we can no longer lock and copy_to_user, since it also may page fault
and thus deadlock.

We statically allocate 32 extent entries on the stack and use
these to shuffle out fiemap entries at a time, locking and
unlocking around collecting and fiemap_fill_extent_next.

Signed-off-by: Auke Kok <auke.kok@versity.com>

2025-01-27 14:49:04 -05:00

..

src

Do not copy to user while holding locks in scoutfs_data_fiemap()

2025-01-27 14:49:04 -05:00

.gitignore

scoutfs: update rpm building infrastructure

2018-09-14 15:07:10 -07:00

Makefile

Capture git info at spec creation time, pass into make

2024-02-05 15:44:10 -08:00

scoutfs-kmod.spec.in

Block EL9 minor version upgrades

2024-12-02 16:04:24 -08:00