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fuse: Return EPERM rather than ENOSYS from link()

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[ Upstream commit 8344213571b2ac8caf013cfd3b37bc3467c3a893 ]

link() is documented to return EPERM when a filesystem doesn't support
the operation, return that instead.

Link: https://github.com/libfuse/libfuse/issues/925
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Matt Johnston
2025-02-14 09:17:53 +08:00
committed by Greg Kroah-Hartman
parent b413cf7ff5
commit f706cb4e37
1 changed files with 2 additions and 0 deletions
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2
fs/fuse/dir.c
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@@ -1068,6 +1068,8 @@ static int fuse_link(struct dentry *entry, struct inode *newdir,
else if (err == -EINTR)
fuse_invalidate_attr(inode);
if (err == -ENOSYS)
err = -EPERM;
return err;
}