inode: make i_state a u32

Now that we use the wait var event mechanism make i_state a u32 and free
up 4 bytes. This means we currently have two 4 byte holes in struct
inode which we can pack.

Link: https://lore.kernel.org/r/20240823-work-i_state-v3-6-5cd5fd207a57@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/include/linux/fs.h b/include/linux/fs.h
index a868c9823c10a4eb260417f7bac20c7525094363..a1ef8c65d828250e34260c54c4ef5213ca7445ef 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -681,7 +681,8 @@ struct inode {
 #endif
 
        /* Misc */
-       unsigned long           i_state;
+       u32                     i_state;
+       /* 32-bit hole */
        struct rw_semaphore     i_rwsem;
 
        unsigned long           dirtied_when;   /* jiffies of first dirtying */