在 2025/7/1 15:44, Christoph Hellwig 写道:
On Tue, Jul 01, 2025 at 03:02:34PM +0930, Qu Wenruo wrote:
To allow those multi-device filesystems to be integrated to use
fs_holder_ops:
- Rename shutdown() call back to remove_bdev()
To better describe when the call back is called.
What is renamed back here?
Rename the old shutdown to remove_bdev().
-static void exfat_shutdown(struct super_block *sb)
+static void exfat_shutdown(struct super_block *sb, struct block_device *bdev)
{
exfat_force_shutdown(sb, EXFAT_GOING_DOWN_NOSYNC);
}
@@ -202,7 +202,7 @@ static const struct super_operations exfat_sops = {
.put_super = exfat_put_super,
.statfs = exfat_statfs,
.show_options = exfat_show_options,
- .shutdown = exfat_shutdown,
+ .remove_bdev = exfat_shutdown,
Please also rename the function so that they match the method name.
I prefer not, and it is intentionally left as is.
This give us a very clear view what a fs is expected to do.
If a fs can only shutdown when losing any device, a read won't need to
dig into the details, just looking at that line will tell us what is the
behavior.
Thanks,
Qu
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