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nilfs2: add support for FS_IOC_GETFSSYSFSPATH

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Use the standard helper super_set_sysfs_name_bdev() to give the sysfs
subpath of the filesystem for the FS_IOC_GETFSSYSFSPATH ioctl.

For nilfs2, it will output "nilfs2/<dev>".

Link: https://lkml.kernel.org/r/20240815074408.5550-3-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ryusuke Konishi 2024-08-15 16:44:06 +09:00 committed by Andrew Morton
parent ef851d44a8
commit 8d1dba2e7c
1 changed files with 1 additions and 0 deletions
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fs/nilfs2/super.c
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@ -1065,6 +1065,7 @@ nilfs_fill_super(struct super_block *sb, struct fs_context *fc)
super_set_uuid(sb, nilfs->ns_sbp[0]->s_uuid,
sizeof(nilfs->ns_sbp[0]->s_uuid));
super_set_sysfs_name_bdev(sb);
cno = nilfs_last_cno(nilfs);
err = nilfs_attach_checkpoint(sb, cno, true, &fsroot);