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f9af549d1f
statmount() can export arbitrary strings, so utilize the __spare1 slot for a mnt_opts string pointer, and then support asking for and setting the mount options during statmount(). This calls into the helper for showing mount options, which already uses a seq_file, so fits in nicely with our existing mechanism for exporting strings via statmount(). Signed-off-by: Josef Bacik <josef@toxicpanda.com> Link: https://lore.kernel.org/r/3aa6bf8bd5d0a21df9ebd63813af8ab532c18276.1719257716.git.josef@toxicpanda.com Reviewed-by: Jeff Layton <jlayton@kernel.org> [brauner: only call sb->s_op->show_options()] Signed-off-by: Christian Brauner <brauner@kernel.org> |
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