On Mon, Aug 07, 2023 at 11:32:22AM +0200, Carlos Maiolino wrote: > On Fri, Aug 04, 2023 at 11:31:33AM +0200, Christian Brauner wrote: > > On Thu, 03 Aug 2023 22:46:11 -0700, Hugh Dickins wrote: > > > Commit "shmem: fix quota lock nesting in huge hole handling" was not so > > > good: Smatch caught shmem_recalc_inode()'s shmem_inode_unacct_blocks() > > > descending into quota_send_warning(): where blocking GFP_NOFS is used, > > > yet shmem_recalc_inode() is called holding the shmem inode's info->lock. > > > > > > Yes, both __dquot_alloc_space() and __dquot_free_space() are commented > > > "This operation can block, but only after everything is updated" - when > > > calling flush_warnings() at the end - both its print_warning() and its > > > quota_send_warning() may block. > > > > > > [...] > > > > Applied to the vfs.tmpfs branch of the vfs/vfs.git tree. > > Patches in the vfs.tmpfs branch should appear in linux-next soon. > > > > Please report any outstanding bugs that were missed during review in a > > new review to the original patch series allowing us to drop it. > > > > It's encouraged to provide Acked-bys and Reviewed-bys even though the > > patch has now been applied. If possible patch trailers will be updated. > > > > Note that commit hashes shown below are subject to change due to rebase, > > trailer updates or similar. If in doubt, please check the listed branch. > > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git > > branch: vfs.tmpfs > > > > [1/1] shmem: move spinlock into shmem_recalc_inode() to fix quota support > > https://git.kernel.org/vfs/vfs/c/f384c361c99e > > Once Hugh patch fixes the issue Dan reported, I believe I don't need to resubmit > my series? I've applied it and it should already show up in -next so yeah, no need to resend.