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fs: Provide helpers for manipulating sb->s_readonly_remount
authorJan Kara <jack@suse.cz>
Tue, 20 Jun 2023 11:28:32 +0000 (13:28 +0200)
committerChristian Brauner <brauner@kernel.org>
Tue, 20 Jun 2023 11:48:01 +0000 (13:48 +0200)
commitd7439fb1f4338fffd0bc68bb62d78f7712725f26
treecfee9d8b47dbf428a1658be8be50b341305e08a7tree | snapshot
parentc541dce86c537714b6761a79a969c1623dfa222bcommit | diff
fs: Provide helpers for manipulating sb->s_readonly_remount

Provide helpers to set and clear sb->s_readonly_remount including
appropriate memory barriers. Also use this opportunity to document what
the barriers pair with and why they are needed.

Suggested-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Message-Id: <20230620112832.5158-1-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/internal.h diff | blob | history
fs/namespace.c diff | blob | history
fs/super.c diff | blob | history
include/linux/fs.h diff | blob | history
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