On Tue, 30 Sep 2025 13:42:57 +0800, Yuezhang Mo wrote:
> The commit 168316db3583("dax: assert that i_rwsem is held
> exclusive for writes") added lock assertions to ensure proper
> locking in DAX operations. However, these assertions trigger
> false-positive lockdep warnings since read lock is unnecessary
> on read-only filesystems(e.g., erofs).
>
> This patch skips the read lock assertion for read-only filesystems,
> eliminating the spurious warnings while maintaining the integrity
> checks for writable filesystems.
>
> [...]
Applied to the vfs.fixes branch of the vfs/vfs.git tree.
Patches in the vfs.fixes 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.fixes
[1/1] dax: skip read lock assertion for read-only filesystems
https://git.kernel.org/vfs/vfs/c/81dd0be374ca
