fs: use bit shifts for FMODE_* flags

Make it easier to see what bits are still available.

Link: https://lore.kernel.org/r/20240406061604.GA538574@ZenIV
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2024-04-07 15:16:55 +02:00
commit 0a4f544d83
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