diff options
| author | Mateusz Guzik <mjguzik@gmail.com> | 2025-10-09 09:59:16 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-10-20 20:22:26 +0200 |
| commit | cb5db358ab5769cbd3e8e864f14af321126cccdb (patch) | |
| tree | 2807b05689012041edcb49917026e0490599f37d /fs/fs-writeback.c | |
| parent | af6023e2ce0a3d4d948885d464b0ddca4b8b1fdf (diff) | |
fs: spell out fenced ->i_state accesses with explicit smp_wmb/smp_rmb
The incomming helpers don't ship with _release/_acquire variants, for
the time being anyway.
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 2b35e80037fe..9cda19a40ca2 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -476,10 +476,11 @@ static bool inode_do_switch_wbs(struct inode *inode, switched = true; skip_switch: /* - * Paired with load_acquire in unlocked_inode_to_wb_begin() and + * Paired with an acquire fence in unlocked_inode_to_wb_begin() and * ensures that the new wb is visible if they see !I_WB_SWITCH. */ - smp_store_release(&inode->i_state, inode->i_state & ~I_WB_SWITCH); + smp_wmb(); + inode->i_state &= ~I_WB_SWITCH; xa_unlock_irq(&mapping->i_pages); spin_unlock(&inode->i_lock); |