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Fix automount for root filesystems
Commit 093bb64
resolved an automount failures for chroot'd processes
but inadvertently broke automounting for root filesystems where the
vfs_mntpoint is NULL. Resolve the issue by checking for NULL in order
to generate the correct path.
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9381
Closes #9384
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parent
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@ -1053,7 +1053,8 @@ zfsctl_snapshot_mount(struct path *path, int flags)
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* on mount.zfs(8).
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*/
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snprintf(full_path, MAXPATHLEN, "%s/.zfs/snapshot/%s",
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zfsvfs->z_vfs->vfs_mntpoint, dname(dentry));
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zfsvfs->z_vfs->vfs_mntpoint ? zfsvfs->z_vfs->vfs_mntpoint : "",
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dname(dentry));
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/*
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* Multiple concurrent automounts of a snapshot are never allowed.
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